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Aleksandrov, K. S.
Spectroscopic investigation of phase transitions in CsLiMoO//4 crystals. / K. S. Aleksandrov, Yu. N. Ivanov, A. D. Schafer // Ferroelectrics. - 1983. - Vol. 55, Is. 1. - P. 671-674 . - ISSN 0015-0193
Кл.слова (ненормированные):
CRYSTALS - Structure -- MAGNETIC RESONANCE -- SPECTROSCOPY, RAMAN -- CESIUM LITHIUM MOLYBDATE -- PHASE TRANSITIONS -- FERROELECTRIC MATERIALS
Аннотация: Raman and NMR spectra in cubic and two distorted phases of CsLiMoO//4 have been studied. Phase transitions in the crystal are shown to belong to order-disorder type.

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Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Schafer, A. D.; Александров, Кирилл Сергеевич; European Meeting on Ferroelectricity(5 ; 1983 ; Sept. ; 26-30 ; Malaga, Sp)
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    Electronic structure of β-RbNd(MoO4)2 by XPS and XES / V. V. Atuchin [et al.] // J. Phys. Chem. Solids. - 2015. - Vol. 77. - P. 101-108, DOI 10.1016/j.jpcs.2014.09.012. - Cited References: 52. - This study was partially supported by the Ministry of Education and Science of the Russian Federation and RFBR Grant 12-02-90806-mol_rf_nr. . - ISSN 0022-3697
   Перевод заглавия: Электронная структура b-RbNd(MoO4)2, исследованная при помощи РФЭС и РСМА

РУБ Chemistry, Multidisciplinary + Physics, Condensed Matter
Рубрики:
RAY-EMISSION-SPECTROSCOPY
   CRYSTAL-STRUCTURE
   PHOTOELECTRON-SPECTROSCOPY
   LUMINESCENCE PROPERTIES
   VIBRATIONAL PROPERTIES
   PHOTOEMISSION SPECTRA
   OPTICAL-PROPERTIES
   TERNARY MOLYBDATE
   AB-INITIO
   SYSTEM
Кл.слова (ненормированные):
Inorganic compounds -- Chemical synthesis -- Photoelectron spectroscopy -- X-ray diffraction -- Electronic structure
Аннотация: β-RbNd(MoO4)2 microplates have been prepared by the multistage solid state synthesis method. The phase composition and micromorphology of the final product have been evaluated by XRD and SEM methods. The electronic structure of β-RbNd(MoO4)2 molybdate has been studied employing the X-ray photoelectron spectroscopy (XPS) and X-ray emission spectroscopy (XES). For the molybdate, the XPS core-level and valence-band spectra, as well as XES bands representing energy distribution of the Mo 4d- and O 2p-like states, have been measured. It has been established that the O 2p-like states contribute mainly to the upper portion of the valence band with also significant contributions throughout the whole valence-band region. The Mo 4d-like states contribute mainly to a lower valence band portion

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Держатели документа:
SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia
Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, UA-03142 Kiev, Ukraine
SB RAS, Baikal Inst Nat Management, Lab Oxide Syst, Ulan Ude 670047, Russia
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia
SB RAS, Inst Semicond Phys, Lab Nanodiagnost & Nanolithog, Novosibirsk 630090, Russia

Доп.точки доступа:
Atuchin, V. V.; Khyzhun, O. Y.; Chimitova, O. D.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Gavrilova, T. A.; Bazarov, B. G.; Bazarova, J. G.; Ministry of Education and Science of the Russian Federation; RFBR [12-02-90806-mol_rf_nr]
}
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    Exploration of structural, vibrational and spectroscopic properties of self-activated orthorhombic double molybdate RbEu(MoO4)2 with isolated MoO4 units / V. V. Atuchin, A. S. Aleksandrovsky, B. G. Bazarov [et al.] // J. Alloy. Compd. - 2019. - Vol. 785. - P. 692-697, DOI 10.1016/j.jallcom.2019.01.013. - Cited References: 42. - The reported study was funded by RFBR according to research projects 16-52-48010, 17-52-53031 and 18-03-00557. Besides, this study was supported by the Ministry of Science and Higher Education of the Russian Federation (project 0339-2016-0007). The work was supported by Act 211 Government of the Russian Federation, contract No 02.A03.21.0011. Additionally, the work was partially supported by the Ministry of Education and Science of the Russian Federation (4.1346.2017/4.6). . - ISSN 0925-8388. - ISSN 1873-4669
   Перевод заглавия: Исследование структурных, колебательных и спектроскопических свойств самоактивированного орторомбического двойного молибдата RbEu(MoO4)2 с изолированными группами MoO4

РУБ Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering
Рубрики:
MORPHOLOGY-CONTROLLED SYNTHESIS
LUMINESCENCE PROPERTIES
Кл.слова (ненормированные):
Rubidium europium molybdate -- Solid state reaction -- Rietveld refinement -- DSC -- Raman luminescence
Аннотация: RbEu(MoO4)2 is synthesized by the two-step solid state reaction method. The crystal structure of RbEu(MoO4)2 is defined by Rietveld analysis in space group Pbcn with cell parameters a = 5.13502(5), b = 18.8581(2) and c = 8.12849(7) Å, V = 787.13(1) Å3, Z = 4 (RB = 0.86%). This molybdate possesses its phase transition at 817 K and melts at 1250 K. The Raman spectra were measured with the excitation at λ = 1064 and 514.5 nm. The photoluminescence spectrum is evaluated under the excitation at 514.5 nm. The absolute domination of hypersensitive 5D0→7F2 transition is observed. The ultranarrow 5D0→7F0 transition in RbEu(MoO4)2 is positioned at 580.2 nm being 0.2 nm blue shifted, with respect to that in Eu2(MoO4)3.

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Держатели документа:
SB RAS, Lab Opt Mat & Struct, Inst Semicond Phys, Novosibirsk, Russia.
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia.
South Ural State Univ, Lab Single Crystal Growth, Chelyabinsk 454080, Russia.
Kemerovo State Univ, Res & Dev Dept, Kemerovo 650000, Russia.
SB RAS, Kirensky Inst Phys, Lab Coherent Opt, Fed Res Ctr KSC, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
SB RAS, Baikal Inst Nat Management, Lab Oxide Syst, Ulan Ude 670047, Russia.
Buryat State Univ, Ulan Ude 670000, Russia.
Ind Univ Tyumen, Dept Gen & Special Chem, Tyumen 625000, Russia.
SB RAS, Inst Semicond Phys, Lab Nanodiagnost & Nanolithog, Novosibirsk 630090, Russia.
SB RAS, Kirensky Inst Phys Fed Res Ctr KSC, Lab Mol Spect, Krasnoyarsk 660036, Russia.
SB RAS, Inst Inorgan Chem, Lab Funct Films & Coatings, Novosibirsk 630090, Russia.
SB RAS, Lab Crystal Phys, Kirensky Inst Phys, Fed Res Ctr KSC, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Siberian Fed Univ, Krasnoyarsk 660079, Russia.
SB RAS, Inst Automat & Elect, Lab Condensed Matter Spect, Novosibirsk 630090, Russia.

Доп.точки доступа:
Atuchin, V. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Bazarov, B. G.; Bazarova, J. G.; Chimitova, Olga D.; Denisenko, Yuriy G.; Gavrilova, T. A.; Krylov, A. S.; Крылов, Александр Сергеевич; Maximovskiy, Eugene A.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Pugachev, Alexey M.; Surovtsev, Nikolay V.; RFBR [16-52-48010, 17-52-53031, 18-03-00557]; Ministry of Science and Higher Education of the Russian Federation [0339-2016-0007]; Act 211 Government of the Russian Federation [02.A03.21.0011]; Ministry of Education and Science of the Russian Federation [4.1346.2017/4.6]
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Exploration of the structural and vibrational properties of the ternary molybdate Tl5BiHf(MoO4)6with isolated MoO4 units and Tl+ conductivity / V. Grossman, S. V. Adichtchev, V. V. Atuchin [et al.] // Inorg. Chem. - 2020. - Vol. 59, Is. 17. - P. 12681-12689, DOI 10.1021/acs.inorgchem.0c01762. - Cited References: 69. - This study was supported by the Russian Science Foundation (19-42-02003, in the part of conceptualization). The study was also funded by the RFBR according to research projects 18-08-00985, 18-08-00799, and 18-03-00557. This study was carried out within the state assignment of the FASO of Russia (Theme No. 0339-2016-0007) . - ISSN 0020-1669
Аннотация: The phase relations in the subsolidus region of the Tl2MoO4–Bi2(MoO4)3–Hf(MoO4)2 system were studied with the “intersecting cuts” method. The formation of the novel ternary molybdate Tl5BiHf(MoO4)6 is found in this ternary system. The compound has a phase transition at Tpt = 731 K (ΔH = −3.15 J/g) and melts at Tm = 871 K (ΔH = −41.71 J/g), as determined by a thermal analysis. Tl5BiHf(MoO4)6 single crystals were obtained by the spontaneous nucleation method. The crystal structure of Tl5BiHf(MoO4)6 was revealed by structure analysis methods. This molybdate crystallizes in the trigonal space group R3̅c with the unit cell parameters a = 10.6801(4) Å, c = 38.5518(14) Å, V = 3808.3(2) Å3, and Z = 6. The vibrational characteristics of Tl5BiHf(MoO4)6 were determined by Raman spectroscopy. The Tl5BiHf(MoO4)6 conductivity was measured at frequencies of 0.1, 1.0, and 10 kHz in the temperature range of 293–773 K; in this temperature range, the conductivity level was 10–12–10–7 S/cm.

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Держатели документа:
Laboratory of Oxide Systems, Baikal Institute of Nature Management, SB RAS, Ulan-Ude, 670047, Russian Federation
Laboratory of Condensed Matter Spectroscopy, Institute of Automation and Electrometry, SB RAS, Novosibirsk, 630090, Russian Federation
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, 630090, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk, 630090, Russian Federation
Research and Development Department, Kemerovo State University, Kemerovo, 650000, Russian Federation
Buryat State University, Ulan-Ude, 670000, Russian Federation
Laboratory of Crystal Chemistry, Institute of Inorganic Chemistry, SB RAS, Novosibirsk, 630090, Russian Federation
Laboratory for Research Methods in Composition and Structure of Functional Materials, Novosibirsk State University, Novosibirsk, 630090, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660079, Russian Federation

Доп.точки доступа:
Grossman, V.; Adichtchev, S. V.; Atuchin, V. V.; Bazarov, B. G.; Bazarova, J. G.; Kuratieva, N.; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Pervukhina, N. V.; Surovtsev, N. V.
}
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Ferroelectricity in caesium lithium molybdate CsLiMoO4 and related crystals CsLiWO4 and RbLiMoO4 / K. S. Aleksandrov [и др.] // Ferroelectrics. - 1981. - Vol. 36, Is. 1. - P. 399-402, DOI 10.1080/00150198108218138 . - ISSN 0015-0193
Кл.слова (ненормированные):
CESIUM COMPOUNDS -- RUBIDIUM COMPOUNDS -- CESIUM LITHIUM MOLYBDATE -- CESIUM LITHIUM TUNGSTATE -- PHASE TRANSITIONS -- RUBIDIUM LITHIUM MOLYBDATE -- FERROELECTRIC MATERIALS
Аннотация: Successive ferroelectric phase transitions were discovered in CsLiMoO//4, CsLiWO//4 and RbLiMoO//4 single crystals. Strong elastic and no dielectric anomalies were found with temperature lowering in the initial cubic phases. The phase transitions are qualitatively described as pseudoproper ferroelectric ones.

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Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; ANISTRATOV, A. T.; Melnikova, S. V.; Мельникова, Светлана Владимировна; Klevtsov, P. V.; Kruglik, A. I.; Voronov, V. N.; Воронов, Владимир Николаевич; International meeting on ferroelectricity(5 ; 1981 ; 17-21 Aug. ; Universal Park, USA)
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Ferroelectricity in CS-Li molybdate crystals / K. S. Aleksandrov [и др.] // Fiz. Tverd. Tela. - 1982. - Vol. 24, Is. 4. - P. 1094-1101. - Cited References: 9 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Публикация на русском языке Сегнетоэлектричество в кристаллах цезий-литий молибдата [Текст] / К. С. Александров [и др.] // Физ. тверд. тела. - 1982. - Т. 24 Вып. 4. - С. 1094-1101

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Anistratov, A. T.; Melnikova, S. V.; Мельникова, Светлана Владимировна; Kruglik, A. I.; Круглик, Анатолий Иванович; Zherebtsova, L. I.; Shabanova, L. A.; Шабанова Л. А.
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    Incommensurately modulated structure and spectroscopic properties of CaGd2(MoO4)4:Ho3+/Yb3+ phosphors for up-conversion applications / C. S. Lim [et al.] // J. Alloys Compd. - 2017. - Vol. 695. - P. 737-746, DOI 10.1016/j.jallcom.2016.06.134. - Cited References: 60. - This research was supported by the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education (2015-058813) and the Russian Foundation for Basic Research (15-52-53080). VVA, ASA and ASO were partially supported by the Ministry of Education and Science of the Russian Federation. . - ISSN 0925-8388
   Перевод заглавия: Несоразмерно модулированная структура и спектроскопические свойства люминофоров CaGd2(MoO4)4:Ho3+/Yb3+ для апконверсионного применения
Кл.слова (ненормированные):
Modulation -- Molybdate -- Raman -- Sol-gel synthesis -- Upconversion -- XRD
Аннотация: CaGd2(MoO4)4:Ho3+/Yb3+ phosphors doped by Ho3+ and Yb3+ (Ho3+ = 0 and 0.05, and Yb3+ = 0, 0.35, 0.40, 0.45 and 0.50) were successfully synthesized by the microwave sol-gel method. The synthesized particles, being formed after heat-treatment at 900 °C for 16 h, showed a well crystallized morphology. All compounds are (3 + 2)D incommensurately modulated with superspace group I41/a(α,β,0)00(-β,α,0)00. It was found that parameter (α2 + β2)1/2 is proportional to cell parameter a for all studied compositions and, therefore, modulation vector k is the same for all known CaRE2(MoO4)4 compounds. The modulation vector invariance is a specific and valuable feature of this type of the structure. Under the excitation at 980 nm, the doped particles exhibited the yellow emission composed of green (545-nm) and red (655-nm) emission bands due to frequency upconversion (UC). The pump power dependence and CIE chromaticity of the UC emission were evaluated. The shape of UC bands in CaGd2(MoO4)4:Ho3+/Yb3+ is dependent on the Yb content due to the influence of the crystal field affecting a holmium ion. 13 Raman-active modes of the CaGd2(MoO4)4 lattice were identified via a comparison of experimental Raman spectra and the lattice dynamics simulation results. Four additional Raman lines were found in the region of stretching vibrations and, at least, two additional modes are present in the bending mode region. These additional modes are ascribed to incommensurate crystal lattice modulation. Luminescence bands of Ho ions are severely broadened due to a statistical disorder in the CaGd2−xYby (MoO4)4 lattice.

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Держатели документа:
Department of Advanced Materials Science & Engineering, Hanseo University, Seosan, South Korea
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, Russian Federation
Functional Electronics Laboratory, Tomsk State University, Tomsk, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk, Russian Federation
Institute of Chemistry, Tyumen State University, Tyumen, Russian Federation
Laboratory for Nonlinear Optics and Spectroscopy, Siberian Federal University, Krasnoyarsk, Russian Federation
Laboratory of Coherent Optics, Kirensky Institute of Physics, SB RAS, Krasnoyarsk, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, SB RAS, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, SB RAS, Krasnoyarsk, Russian Federation
Department of Photonics and Laser Technologies, Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Lim, C. S.; Atuchin, V. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич
}
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    Microwave sol-gel synthesis, microstructural and spectroscopic properties of scheelite-type ternary molybdate upconversion phosphor NaPbLa(MoO4)3:Er3+/Yb3+ / C. S. Lim [et al.] // J. Alloys Compd. - 2020. - Vol. 826. - Ст. 152095, DOI 10.1016/j.jallcom.2019.152095. - Cited References: 53. - This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (2018R1D1A1A09082321). This study was supported by the Russian Science Foundation (19-42-02003, in part of conceptualization). Also, this study was supported by RFBR (18-32-20011, 18-03-00750). . - ISSN 0925-8388. - ISSN 1873-4669
   Перевод заглавия: Микроволновый золь-гель синтез, микроструктурные и спектроскопические свойства апконверсионного люминофора тройного молибдата NaPbLa(MoO4)3:Er3+/Yb3+ со структурой шеелита
Кл.слова (ненормированные):
Optical materials -- Chemical synthesis -- Molybdate -- Raman spectroscopy -- X-ray diffraction -- Phosphors
Аннотация: New ternary molybdate NaPbLa(1-x-y)(MoO4)3:xEr3+,yYb3+ (x = y = 0, x = 0.05 and y = 0.35, 0.4, 0.45 and 0.5) phosphors were successfully fabricated by the MSG (microwave sol-gel) method, and the microstructural and spectroscopic properties were characterized. The crystal structure of NaPbLa(MoO4)3 (NPLM) was defined by Rietveld analysis in space group I41/a with unit cell parameters a = 5.3735(2) and c = 11.8668(4) Å, V = 342.65(3) Å3, Z = 4 (RB = 6.64%). The unit cell volume of NaPbLa(MoO4)3 (NPLM) was intermediate between those of NaLa(MoO4)2 and PbMoO4. Under the 980 nm excitation, upconverted yellowish-green emissions at transitions from 2H11/2 and 4S3/2 were observed. No concentration quenching in the subsystem of donor ions at the content up to 50 at.% and no cross-relaxation losses in the subsystem of acceptor ions at the concentrations as high as 5 at. % were verified. The individual chromaticity points for the NaPbLa(MoO4)3:Er3+,Yb3+ phosphors, corresponding to the equal-energy point in the standard CIE diagram, revealed yellowish-green emissions.

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Держатели документа:
Department of Aerospace Advanced Materials & Chemical Engineering, Hanseo University, Seosan, 356-706, Republic of Korea
Laboratory of Coherent Optics, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russia
Department of Photonics and Laser Technologies, Siberian Federal University, Krasnoyarsk, 660041, Russia
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, 630090, Russia
Functional Electronics Laboratory, Tomsk State University, Tomsk, 634050, Russia
Research and Development Department, Kemerovo State University, Kemerovo, 650000, Russia
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russia
Siberian Federal University, Krasnoyarsk, 660041, Russia
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russia
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russia

Доп.точки доступа:
Lim, Chang Sung; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Atuchin, V. V.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич
}
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    Microwave synthesis and spectroscopic properties of ternary scheelite-type molybdate phosphors NaSrLa(MoO4)3:Er3+,Yb3+ / C. S. Lim [et al.] // J. Alloys Compd. - 2017. - Vol. 713. - P. 156-163, DOI 10.1016/j.jallcom.2017.04.060. - Cited References: 87. - This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2016-944122) and by Project № 0356-2015-0412 of SB RAS Program №II.2P. The reported study was funded by RFBR according to the research project 16-52-48010 and 17-52-53031. Also, the work was supported by Act 211 Government of the Russian Federation, contract 02.A03.21.0011 and by the Ministry of Education and Science of the Russian Federation (4.1346.2017/PP). . - ISSN 0925-8388
   Перевод заглавия: Микроволновый синтез и спектроскопические свойства тройных шеелитоподобных молибденовых люминофоров NaSrLa(MoO4)3:Er3+,Yb3+
Кл.слова (ненормированные):
Microwave synthesis -- Crystal structure -- Molybdate phosphor -- Frequency up conversion
Аннотация: Ternary scheelite-type molybdate NaSrLa(1-x-y)(MoO4)3:xEr3+,yYb3+ (x = y = 0, x = 0.1 and y = 0.2, x = 0.05 and y = 0.45, x = 0.2 and y = 0) phosphors were successfully synthesized by the microwave sol-gel method for the first time. Well-crystallized particles formed after the heat-treatment at 900 °C for 16 h showed a fine and homogeneous morphology with a particle size of 2–3 ?m. The crystal structures were refined by the Rietveld method in space group I41/a. The optical properties were examined comparatively using photoluminescence emission and Raman spectroscopy. Under the excitation at 980 nm, the NaSrLa0.7(MoO4)3:0.1Er3+,0.2Yb3+ and NaSrLa0.5(MoO4)3:0.05Er3+,0.45Yb3+ particles exhibited a strong 525-nm emission band, a weaker 550-nm emission band in the green region and weak 655-nm, 490-nm and 410-nm emission bands in the red, blue and violet regions. The pump power dependence and Commission Internationale de L'Eclairage chromaticity of the upconversion emission intensity were evaluated in detail. The presence of Sr in NaSrLa(MoO4)3, in comparison with NaCaLa(MoO4)3 compound, leads to frequency shift mainly in the low region of Raman spectra. The MoO4 bending vibrations are most susceptible to changes in the distance between the nearest oxygen atoms in the nearest neighboring MoO4 groups.

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Держатели документа:
Department of Advanced Materials Science & Engineering, Hanseo University, Seosan, South Korea
Laboratory of Coherent Optics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Laboratory for Nonlinear Optics and Spectroscopy, Siberian Federal University, Krasnoyarsk, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, Russian Federation
Institute of Engineering Physics and Radioelectronics, Siberian State University, Krasnoyarsk, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Department of Photonics and Laser Technologies, Siberian Federal University, Krasnoyarsk, Russian Federation
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, Russian Federation
Functional Electronics Laboratory, Tomsk State University, Tomsk, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk, Russian Federation
Institute of Chemistry, Tyumen State University, Tyumen, Russian Federation
Laboratory of Single Crystal Growth, South Ural State University, Chelyabinsk, Russian Federation

Доп.точки доступа:
Lim, C. S.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Atuchin, V. V.
}
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10.

    Microwave-employed sol–gel synthesis of scheelite-type microcrystalline AgGd(MoO4)2:Yb3+/Ho3+ upconversion yellow phosphors and their spectroscopic properties / C. S. Lim, A. Aleksandrovsky, V. Atuchin [et al.] // Crystals. - 2020. - Vol. 10, Is. 11. - Ст. 1000. - P. 1-14, DOI 10.3390/cryst10111000. - Cited References: 58. - This study was supported by the Research Program through the Campus Research Foundation funded by Hanseo University in 2020 (201Yunghap09) . - ISSN 2073-4352
   Перевод заглавия: Микроволновый золь-гель синтез микрокристаллических апконверсионных желтых люминофоров AgGd(MoO4)2: Yb3+/ Ho3+ со структурой типа шеелита и их спектроскопические свойства
Кл.слова (ненормированные):
Microwave sol–gel -- Double molybdate -- Yellow phosphors -- Upconversion -- Spectroscopic properties
Аннотация: AgGd(MoO4)2:Ho3+/Yb3+ double molybdates with five concentrations of Ho3+ and Yb3+ were synthesized by the microwave employed sol–gel based process (MES), and the crystal structure variation, concentration effects, and spectroscopic characteristics were investigated. The crystal structures of AgGd1−x−yHoxYby(MoO4)2 (x = 0, 0.05; y = 0, 0.35, 0.4, 0.45, 0.5)at room temperature were determined in space group I41/a by Rietveld analysis. Pure AgGd(MoO4)2 has a scheelite-type structure with mixed occupations of (Ag,Gd) sites and cell parameters a = 5.24782 (11) and c = 11.5107 (3) Å, V = 317.002 (17) Å3, Z = 4. In doped samples, the sites are occupied by a mixture of (Ag,Gd,Ho,Yb) ions, which provides a linear cell volume decrease with the doping level increase. Under the excitation at 980 nm, AGM:0.05Ho,yYb phosphors exhibited a yellowish green emission composed of red and green emission bands according to the strong transitions 5F5 → 5I8 and 5S2/5F4 → 5I8 of Ho3+ ions. The evaluated photoluminescence and Raman spectroscopic results were discussed in detail. The upconversion intensity behavior dependent on the Yb/Ho ratio is explained in terms of the optimal number of Yb3+ ions at the characteristic energy transfer distance around the Ho3+ ion.

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Держатели документа:
Department of Aerospace Advanced Materials Engineering, Hanseo University, Seosan, 31962, South Korea
Laboratory of Coherent Optics, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, 630090, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk, 630090, Russian Federation
Research and Development Department, Kemerovo State University, Kemerovo, 650000, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
School of Engineering and Construction, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Lim, C. S.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Atuchin, V.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич
}
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11.

    New triple molybdate K5ScHf(MoO4)6: Synthesis, properties, structure and phase equilibria in the M2MoO4–Sc2(MoO4)3–Hf(MoO4)2 (M = Li, K) systems / V. G. Grossman, J. G. Bazarova, M. S. Molokeev, B. G. Bazarov // J. Solid State Chem. - 2020. - Vol. 283. - Ст. 121143, DOI 10.1016/j.jssc.2019.121143. - Cited References: 53. - This study was carried out within the state assignment of FASO of Russia (Theme No 0339-2016-0007) as well was supported by RFBR Grants 18-08-00799 and 18-03-00557 . - ISSN 0022-4596
   Перевод заглавия: Новый тройной молибдат K5ScHf(MoO4)6: синтез, свойства, структура и фазовые равновесия в системах M2MoO4-Sc2(MoO4)3-Hf(MoO4)2 (M = Li, K)
Кл.слова (ненормированные):
Synthesis -- Molybdates -- X-ray diffraction -- DSC -- Electric properties
Аннотация: Subsolidus phase relations in the M2MoO4–Sc2(MoO4)3–Hf(MoO4)2 (M = Li, K) systems have been studied by the method of “intersecting cuts”. No new triple molybdates have been identified in the Li2MoO4–Sc2(MoO4)3–Hf(MoO4)2 system and a new triple molybdate K5ScHf(MoO4)6 is formed in the K2MoO4–Sc2(MoO4)3–Hf(MoO4)2 system. The structure of K5ScHf(MoO4)6, have been determined in space group Rc through Rietveld analysis of X-ray powder diffraction data. The melting point of molybdate is 999 K. The compound has high ion conductivity (about 10−3 S cm−1).

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Держатели документа:
Baikal Institute of Nature Management, Siberian Branch, Russian Academy of Sciences, Sakhyanovoy St., 6, Ulan-Ude, Buryat Republic 670047, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC, Siberian Branch, RAS, 50 / 38 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 82 Svobodniy Av., Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Grossman, V. G.; Bazarova, J. G.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bazarov, B. G.
}
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12.

    Structural and spectroscopic effects of Li+ substitution for Na+ in LixNa1-xCaGd0.5Ho0.05Yb0.45(MoO4)3 scheelite-type upconversion phosphors / C.-S. Lim, A. S. Aleksandrovsky, M. S. Molokeev [et al.] // Molecules. - 2021. - Vol. 26, Is. 23. - Ст. 7357, DOI 10.3390/molecules26237357. - Cited References: 77. - This study was supported by the Research Program through the Campus Research Foundation funded by Hanseo University in 2021 (211Yunghap06) . - ISSN 1420-3049
   Перевод заглавия: Структурные и спектральные эффекты замещения Na+ ионами Li+ в LixNa1-xCaGd0.5Ho0.05Yb0.45(MoO4)3 шеелитоподобном апконверсионном люминофоре
Кл.слова (ненормированные):
optical materials -- chemical synthesis -- molybdate -- Raman spectroscopy -- X-ray diffraction; phosphors -- phosphors
Аннотация: A set of new triple molybdates, LixNa1-xCaGd0.5(MoO4)3:Ho3+0.05/Yb3+0.45, was successfully manufactured by the microwave-accompanied sol–gel-based process (MAS). Yellow molybdate phosphors LixNa1-xCaGd0.5(MoO4)3:Ho3+0.05/Yb3+0.45 with variation of the LixNa1-x (x = 0, 0.05, 0.1, 0.2, 0.3) ratio under constant doping amounts of Ho3+ = 0.05 and Yb3+ = 0.45 were obtained, and the effect of Li+ on their spectroscopic features was investigated. The crystal structures of LixNa1-xCaGd0.5(MoO4)3:Ho3+0.05/Yb3+0.45 (x = 0, 0.05, 0.1, 0.2, 0.3) at room temperature were determined in space group I41/a by Rietveld analysis. Pure NaCaGd0.5Ho0.05Yb0.45(MoO4)3 has a scheelite-type structure with cell parameters a = 5.2077 (2) and c = 11.3657 (5) Å, V = 308.24 (3) Å3, Z = 4. In Li-doped samples, big cation sites are occupied by a mixture of (Li,Na,Gd,Ho,Yb) ions, and this provides a linear cell volume decrease with increasing Li doping level. The evaluated upconversion (UC) behavior and Raman spectroscopic results of the phosphors are discussed in detail. Under excitation at 980 nm, the phosphors provide yellow color emission based on the 5S2/5F4 → 5I8 green emission and the 5F5 → 5I8 red emission. The incorporated Li+ ions gave rise to local symmetry distortion (LSD) around the cations in the substituted crystalline structure by the Ho3+ and Yb3+ ions, and they further affected the UC transition probabilities in triple molybdates LixNa1-xCaGd0.5(MoO4)3:Ho3+0.05/Yb3+0.45. The complex UC intensity dependence on the Li content is explained by the specificity of unit cell distortion in a disordered large ion system within the scheelite crystal structure. The Raman spectra of LixNa1-xCaGd0.5(MoO4)3 doped with Ho3+ and Yb3+ ions were totally superimposed with the luminescence signal of Ho3+ ions in the range of Mo–O stretching vibrations, and increasing the Li+ content resulted in a change in the Ho3+ multiplet intensity. The individual chromaticity points (ICP) for the LiNaCaGd(MoO4)3:Ho3+,Yb3+ phosphors correspond to the equal-energy point in the standard CIE (Commission Internationale de L’Eclairage) coordinates.

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Держатели документа:
Department of Aerospace Advanced Materials and Chemical Engineering, Hanseo University, Seosan 31962, Korea
Laboratory of Coherent Optics, Kirensky Institute of Physics Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, 660041 Krasnoyarsk, Russia
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, 660041 Krasnoyarsk, Russia
Department of Physics, Far Eastern State Transport University, 680021 Khabarovsk, Russia
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
School of Engineering and Construction, Siberian Federal University, 660041 Krasnoyarsk, Russia
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, 630090 Novosibirsk, Russia
Research and Development Department, Kemerovo State University, 650000 Kemerovo, Russia
Department of Industrial Machinery Design, Novosibirsk State Technical University, 630073 Novosibirsk, Russia

Доп.точки доступа:
Lim, Chang-Sung; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Atuchin, V. V.
}
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13.

    Structural and spectroscopic effects of Li+ substitution for Na+ in LixNa1–xCaLa0.5Er0.05Yb0.45(MoO4)3 upconversion scheelite-type phosphors / C. S. Lim, A. Aleksandrovsky, M. Molokeev [et al.] // Crystals. - 2023. - Vol. 13, Is. 2. - Ст. 362, DOI 10.3390/cryst13020362. - Cited References: 63. - This study was funded by the Research Program through the Campus Research Foundation funded by Hanseo University in 2022 (2022046) . - ISSN 2073-4352
   Перевод заглавия: Структурные и спектроскопические эффекты замещения Na+ на Li+ в LixNa1-xCaLa0.5Er0.05Yb0.45(MoO4)3 ап-конверсионных люминофорах типа шеелита
Кл.слова (ненормированные):
microwave sol-gel synthesis -- complex molybdate -- scheelite -- crystal structure -- Raman -- frequency up-conversion -- band structure
Аннотация: New triple molybdates LixNa1−xCaLa0.5(MoO4)3:Er3+0.05/Yb3+0.45 (x = 0, 0.05, 0.1, 0.2, 0.3) were manufactured successfully using the microwave-assisted sol-gel-based technique (MAS). Their room-temperature crystal structures were determined in space group I41/a by Rietveld analysis. The compounds were found to have a scheelite-type structure. In Li-substituted samples, the sites of big cations were occupied by a mixture of (Li, Na, La, Er, Yb) ions, which provided a linear cell volume decrease with the Li content increase. The increased upconversion (UC) efficiency and Raman spectroscopic properties of the phosphors were discussed in detail. The mechanism of optimization of upconversion luminescence upon Li content variation was shown to be due to the control of excitation/energy transfer channel, while the control of luminescence channels played a minor role. The UC luminescence maximized at lithium content x = 0.05. The mechanism of UC optimization was shown to be due to the control of excitation/energy transfer channel, while the control of luminescence channels played a minor role. Over the whole spectral range, the Raman spectra of LixNa1−xCaLa0.5(MoO4)3 doped with Er3+ and Yb3+ ions were totally superimposed with the luminescence signal of Er3+ ions, and increasing the Li+ content resulted in the difference of Er3+ multiple intensity. The density functional theory calculations with the account for the structural disorder in the system of Li, Na, Ca, La, Er and Yb ions revealed the bandgap variation from 3.99 to 4.137 eV due to the changing of Li content. It was found that the direct electronic transition energy was close to the indirect one for all compounds. The determined chromaticity points (ICP) of the LiNaCaLa(MoO4)3:Er3+,Yb3+ phosphors were in good relation to the equal-energy point in the standard CIE (Commission Internationale de L’Eclairage) coordinates.

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Держатели документа:
Department of Aerospace Advanced Materials and Chemical Engineering, Hanseo University, Seosan 31962, Republic of Korea
Laboratory of Coherent Optics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, 660041 Krasnoyarsk, Russia
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, 660041 Krasnoyarsk, Russia
Department of Physics, Far Eastern State Transport University, 680021 Khabarovsk, Russia
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
School of Engineering and Construction, Siberian Federal University, 660041 Krasnoyarsk, Russia
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, 630090 Novosibirsk, Russia
Research and Development Department, Kemerovo State University, 650000 Kemerovo, Russia
Department of Industrial Machinery Design, Novosibirsk State Technical University, 630073 Novosibirsk, Russia
R&D Center “Advanced Electronic Technologies”, Tomsk State University, 634034 Tomsk, Russia

Доп.точки доступа:
Lim, Chang S.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Atuchin, V.
}
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14.

    Structural and spectroscopic properties of self-activated monoclinic molybdate BaSm2(MoO4)4 / V. V. Atuchin [et al.] // J. Alloys Compd. - 2017. - Vol. 729. - P. 843-849, DOI 10.1016/j.jallcom.2017.07.259. - Cited References: 60. - This work was supported by the National Natural Science Foundation of China (U1632146). The reported study was funded by RFBR according to the research projects 16-52-48010, 16-32-00351, 17-02-00920 and 17-52-53031. Also, the work was supported by (Act 211) the Government of the Russian Federation, contract 02.A03.21.0011, by Project № 0356-2015-0412 of SB RAS Program№II. 2P, and by the Ministry of Education and Science of the Russian Federation (4.1346.2017/PP). . - ISSN 0925-8388
   Перевод заглавия: Структурные и спектроскопические свойства самоактивируемого моноклинного молибдата BaSm2(MoO4)4
Кл.слова (ненормированные):
Coordination -- Crystal structure -- Luminescence -- Raman -- SEM -- Synthesis
Аннотация: The crystal structure of new monoclinic molybdate BaSm2(MoO4)4 is refined in monoclinic unit cell C2/m with cell parameters a = 5.29448 Å, b = 12.7232 Å, c = 19.3907 Å, β = 91.2812°, V = 1305.89 Å3. The crystal structure consists of the SmO8 square antiprism joined with each other by the edges forming a 2D layer perpendicular to the c-axis. MoO4 tetrahedra join SmO8 by nodes and also participate in layer formation, and Ba ions are located between these layers. The lattice dynamics is theoretically calculated on the base of the crystal structure data. The Raman spectra are recorded and analyzed in comparison with theoretical calculations. The discrepancy between the experimental and calculated Raman frequencies does not exceed 2 cm−1 for the most of Raman lines. The luminescence spectra of Sm3+ ions, which are positioned in the lowest local symmetry site C1, strongly differ from those detected for another molybdate crystal, β-RbSm(MoO4)2, with the C2 local symmetry. The 4G5/2 → 6H9/2 band is dominating in the BaSm2(MoO4)4 luminescence.

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Держатели документа:
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, Russian Federation
Functional Electronics Laboratory, Tomsk State University, Tomsk, Russian Federation
Laboratory of Single Crystal Growth, South Ural State University, Chelyabinsk, Russian Federation
Laboratory of Coherent Optics, Kirensky Institute of Physics, Federal Research Center KSC, SB RAS, Krasnoyarsk, Russian Federation
Laboratory for Nonlinear Optics and Spectroscopy, Siberian Federal University, Krasnoyarsk, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC, SB RAS, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center, KSC SB RAS, Krasnoyarsk, Russian Federation
Department of Photonics and Laser Technologies, Siberian Federal University, Krasnoyarsk, Russian Federation
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Xi'an Jiaotong University, Xi'an, Shaanxi, China
Materials Science and Engineering, University of Sheffield, Sheffield, United Kingdom

Доп.точки доступа:
Atuchin, V. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Zhou, D.
}
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15.

    Structural, spectroscopic, electric and magnetic properties of new trigonal K5FeHf(MoO4)6 orthomolybdate / V. Grossman, V. Atuchin, B. G. Bazarov [et al.] // Molecules. - 2023. - Vol. 28, Is. 4. - Ст. 1629, DOI 10.3390/molecules28041629. - Cited References: 82. - This work was supported by the state order of BINM SB RAS (0273-2021-0008), IIC (121031700318-8), ISP (FWGW-2022-0006) and the Russian Science Foundation (21-19-00046). The research was granted by the Government of the Russian Federation (075-15-2022-1132) . - ISSN 1420-3049
   Перевод заглавия: Структурные, спектроскопические, электрические и магнитные свойства нового тригонального K5FeHf(MoO4)6 ортомолибдата
Кл.слова (ненормированные):
ternary molybdate -- phase relations -- crystal structure -- Raman -- electronic structure -- magnetic properties
Аннотация: A new multicationic structurally disordered K5FeHf(MoO4)6 crystal belonging to the molybdate family is synthesized by the two-stage solid state reaction method. The characterization of the electronic and vibrational properties of the K5FeHf(MoO4)6 was performed using density functional theory calculations, group theory, Raman and infrared spectroscopy. The vibrational spectra are dominated by vibrations of the MoO4 tetrahedra, while the lattice modes are observed in a low-wavenumber part of the spectra. The experimental gap in the phonon spectra between 450 and 700 cm−1 is in a good agreement with the simulated phonon density of the states. K5FeHf(MoO4)6 is a paramagnetic down to 4.2 K. The negative Curie–Weiss temperature of −6.7 K indicates dominant antiferromagnetic interactions in the compound. The direct and indirect optical bandgaps of K5FeHf(MoO4)6 are 2.97 and 3.21 eV, respectively. The K5FeHf(MoO4)6 bandgap narrowing, with respect to the variety of known molybdates and the ab initio calculations, is explained by the presence of Mott-Hubbard optical excitation in the system of Fe3+ ions.

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Держатели документа:
Laboratory of Oxide Systems, Baikal Institute of Nature Management, SB RAS, Ulan-Ude 670047, Russia
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090, Russia
Department of Applied Physics, Novosibirsk State University, Novosibirsk 630090, Russia
Research and Development Department, Kemerovo State University, Kemerovo 650000, Russia
Department of Industrial Machinery Design, Novosibirsk State Technical University, Novosibirsk 630073, Russia
R&D Center “Advanced Electronic Technologies”, Tomsk State University, Tomsk 634034, Russia
Laboratory of Coherent Optics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk 660041, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
School of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk 660041, Russia
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Laboratory of Crystal Chemistry, Institute of Inorganic Chemistry, SB RAS, Novosibirsk 630090, Russia
Institute of Chemistry and Chemical Technology, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Department of Physics, Far Eastern State Transport University, Khabarovsk 680021, Russia
School of Engineering and Construction, Siberian Federal University, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Grossman, V.; Atuchin, V. V.; Bazarov, B. G.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Eremin, E. V.; Еремин, Евгений Владимирович; Krylov, A. S.; Крылов, Александр Сергеевич; Kuratieva, N.; Bazarova, J. G.; Maximov, N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Pervukhina, N.; Shestakov, N. P.; Шестаков, Николай Петрович
}
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16.

Synthesis and crystal structure analysis of binary molybdate CsNaMoO4В·2H2O / P. V. Klevtsov [et al.] // J. Struct. Chem. - 1997. - Vol. 38, Is. 4. - P. 615-619 . - ISSN 0022-4766
Аннотация: Single crystals of CsNaMoO4В·2H2O were synthesized, and the crystal structure of this compound was determined from X-ray diffraction data (SYNTEX P21 automatic diffractometer, MoK radiation, 2252 reflections, R = 0.037). Crystals are orthorhombic, space group P212121 with unit cell dimensions a = 6.379(1), b = 8.625(1), c = 13.671(2) A, Z = 4. The structure of the binary molybdate consists of continuous columns of face-sharing Na octahedra with attached MoO4 tetrahedra. The neighboring columns are linked by the Cs cations and the hydrogen bonds of the water molecules entering into the coordination polyhedra of the Na and Cs atoms.

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Публикация на русском языке Синтез и кристаллоструктурное исследование двойного молибдата CsNaMoO4·2H2O [Текст] / П. В. Клевцов [и др.] // Журн. структ. химии. - 1997. - Т. 38 № 4. - С. 739-743

Доп.точки доступа:
Klevtsov, P. V.; Glinskaya, L. A.; Klevtsova, R. F.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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17.

    Synthesis and electronic properties of β-RbNd(MoO4)2 / V. V. Atuchin [et al.] // Asian J. Chem. - 2014. - Vol. 26, No. 5. - P. 1284-1286, DOI 10.14233/ajchem.2014.17209. - Cited References: 26. - This study is partly supported by by the Ministry of Education and Science of the Russian Federation. . - ISSN 0970-7077
   Перевод заглавия: Синтез и электронные свойства бета-RbNd(MoO4)2

РУБ Chemistry, Multidisciplinary
Рубрики:
UP-CONVERSION PHOTOLUMINESCENCE
   VIBRATIONAL PROPERTIES
   CRYSTAL-STRUCTURE
   PARTICLES
   MOLYBDATE
   SPECTROSCOPY
   SYSTEM
   ER3+
Кл.слова (ненормированные):
β-RbNd(MoO4)2 -- Electronic structure -- Ab initio calculations -- X-Ray photoelectron spectroscopy
Аннотация: The electronic structure of β-RbNd(MoO4)2 has been evaluated from experimental and theoretical points of view. For the molybdate, X-ray photoelectron valence-band spectra have been measured. The total and partial densities of states of the constituent atoms of β-RbNd(MoO4)2 have been calculated using the FP-LAPW method. The FP-LAPW data reveal that main contributors in the valence-band region of β-RbNd(MoO4)2 are the Rb 4p-, Nd 4f-, Mo 4d- and O 2p-like states.

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Держатели документа:
SB RAS, Lab Opt Mat & Struct, Inst Semicond Phys, Novosibirsk 630090, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Novosibirsk State Univ, Novosibirsk 630090, Russia
Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, UA-03142 Kiev, Ukraine
SB RAS, Lab Oxide Syst, Baikal Inst Nat Management, Ulan Ude 670047, Russia
SB RAS, Lab Crystal Phys, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Hanseo Univ, Dept Adv Mat Sci & Engn, Seosan 356706, South Korea

Доп.точки доступа:
Atuchin, V. V.; Bekenev, V. L.; Chimitova, O. D.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bazarov, B. G.; Базаров Б. Г.; Bazarova, J. G.; Базарова Ж. Г.; Khuzhum, O. Y.; Lim, C. S.
}
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18.

Synthesis and electronic structure of orthorhombic molybdate RbNd(MoO4)2 / V. V. Atuchin [et al.] // The 3rd Int. Conf. on the Physics of Optical Materials and Devices. ICOM 2012 : book of abstracts. - 2012. - P. 209

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Доп.точки доступа:
Atuchin, V. V.; Bazarov, B. G.; Базаров, Б.Г.; Chimitova, O. D.; Bekenev, V. L.; Khyzhun, O. Yu.; Bazarova, Zh. G.; Базарова, Ж. Г.; Vinča Institute of Nuclear Sciences,; University of Belgrade; Laboratoire de Chimie de la Matière Condensée de Paris; International Conference on the Physics of Optical Materials and Devices(3 ; 2012 ; Sept. ; 3-6 ; Belgrade, Serbia)
}
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19.

    Synthesis and spectroscopic properties of monoclinic α-Eu2(MoO4)3 / V. V. Atuchin [et al.] // J. Phys. Chem. C. - 2014. - Vol. 118, Is. 28. - P. 15404-15411, DOI 10.1021/jp5040739. - Cited References: 63. - This study is partly supported by the Ministry of Education and Science of the Russian Federation. . - ISSN 1932-7447
   Перевод заглавия: Синтез и спектроскопические свойства моноклинного а-Eu2(MoO4)3

РУБ Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary
Рубрики:
RARE-EARTH MOLYBDATES
   VIBRATIONAL PROPERTIES
   LUMINESCENCE PROPERTIES
   CRYSTAL-STRUCTURE
   PHASE-TRANSITIONS
   TRIPLE MOLYBDATE
   SINGLE-CRYSTAL
   X-RAY
   PHOSPHORS
   EUROPIUM
Аннотация: The microcrystals of monoclinic europium molybdate, alpha-Eu-2(MoO4)(3), have been fabricated by solid-state synthesis at T = 753-1273 K for 300 h. The crystal structure of alpha-Eu-2(MoO4)(3) has been refined by the Rietveld method and was found to belong to the space group C2/c with unit cell parameters a = 7.5576(1), b = 11.4709(2), c = 11.5158(2) angstrom, and beta = 109.278(1)degrees (R-B = 3.39%). About 40 narrow Raman lines have been observed in the Raman spectrum of the alpha-Eu-2(MoO4)(3) powder sample. The luminescence spectra of alpha-Eu-2(MoO4)(3) under excitation at 355 and 457.9 nm reveal domination of induced electric dipole transition D-5(0) - F-7(2) and the presence of ultranarrow lines at D-5(0) - F-7(0) and D-5(1) - F-7(0) transitions.

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Держатели документа:
SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia
SB RAS, Lab Coherent Opt, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
SB RAS, Lab Oxide Syst, Baikal Inst Nat Management, Ulan Ude 670047, Russia
SB RAS, Inst Semicond Phys, Lab Nanodiagnost & Nanolithog, Novosibirsk 630090, Russia
SB RAS, Kirensky Inst Phys, Lab Mol Spect, Krasnoyarsk 660036, Russia
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Atuchin, V. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Chimitova, O. D.; Gavrilova, T. A.; Krylov, A. S.; Крылов, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Bazarov, B. G.; Bazarova, J. G.; Ministry of Education and Science of the Russian Federation
}
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20.

    Synthesis and spectroscopic properties of multiferroic β΄-Tb2(MoO4)3 / V. V. Atuchin [et al.] // Opt. Mater. - 2014. - Vol. 36, Is. 10. - P. 1631–1635, DOI 10.1016/j.optmat.2013.12.008. - Cited References: 43. - This study was partly supported by SB RAS under Projects 28.13 and 24.31, and by the PSB RAS Project No. 3.9.5b, and RFBR Projects . - ISSN 0925-3467. - ISSN 1873-1252
   Перевод заглавия: Синтез и спектроскопические свойства мультиферроика β'-Tb2(MoO4)3
Рубрики:
FERROELECTRIC-FERROELASTIC Tb2(MoO4)3
   STIMULATED RAMAN-SCATTERING
   TRANSITION-METAL MOLYBDATES
   RARE-EARTH MOLYBDATES
   CRYSTAL-STRUCTURE
   VIBRATIONAL PROPERTIES
   LUMINESCENCE PROPERTIES
   Tb-2(MoO4)3 CRYSTALS
   TERBIUM MOLYBDATE
   PHASE-TRANSITIONS
Кл.слова (ненормированные):
Terbium molybdate -- Raman spectrum -- Optical properties
Аннотация: Orthorhombic terbium molybdate, β΄-Tb2(MoO4)3, microcrystals have been fabricated by solid state synthesis at T = 750-1270 K for t = 290 h. The crystal structure β΄-Tb2(MoO4)3 has been refined by Rietveld method in space group Pba2 with cell parameters of a = 10.35387(6), b = 10.38413(6) and c = 10.65695(7) A (RB = 1.83%). About 40 narrow Raman lines have been observed in the Raman spectrum recorded for the β΄-Tb2(MoO4)3 powder sample. The luminescence spectrum of β΄-Tb2(MoO4)3 has been measured under the excitation at 355 nm, and the intensive photoluminescence band at 540-550 nm has been found. В© 2013 Elsevier Ltd. All rights reserved.

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Grinberg, M. \ed.\; Bojarski, P. \ed.\; Suchocki, A. \ed.\; Atuchin, V. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Chimitova, O. D.; Krylov, A. S.; Крылов, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bazarov, B. G.; Bazarova, J. G.; Xia, Zhiguo; International Workshop on Advanced Spectroscopy and Optical Materials (4th ; 14–19 July 2013 ; Gdańsk, Poland)
}
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