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Electrical properties of the polycrystalline BiFe0.95Co0.05O3 films / O. B. Romanova, V. V. Kretinin, S. S. Aplesnin [et al.] // Phys. Solid State. - 2021. - Vol. 63. Is. 6. - P. 897-903, DOI 10.1134/S1063783421060184. - Cited References: 34. - This study was supported by the Russian Foundation for Basic Research and the Belarusian Republican Foundation for Basic Research, project no. 20-52-00005 . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
BiFeO3 THIN-FILMS
   PHASE-SEPARATION
   CRYSTAL
   MODEL
Кл.слова (ненормированные):
semiconductor films -- magnetoresistance -- magnetoimpedance -- magnetization
Аннотация: Semiconductor BiFe0.95Co0.05O3 thin-film compounds have been synthesized by a burst technique. The film surface morphology and the effect of electronic doping via substitution of cobalt ions for trivalent iron on the optical, magnetic, and kinetic properties have been investigated in the temperature range of 77-600 K in magnetic fields of up to 12 kOe. Two electron relaxation channels have been found in the impedance spectrum in the frequency range of 0.1-1000 kHz. The negative magnetoresistance in the anomalous magnetization region and the maximum magnetoimpedance in the vicinity of the surface phase transition have been established. Using the Hall measurements, carrier types dominating in the magnetoresistance and magnetoimpedance effects have been determined. The magnetization anomalies have been explained in the model of superparamagnetic clusters and the magnetoresistance, by the carrier scattering by spin fluctuations.

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Публикация на русском языке Электрофизические свойства поликристаллических пленок BiFe0.95Co0.05O3 [Текст] / О. Б. Романова, В. В. Кретинин, С. С. Аплеснин [и др.] // Физ. тверд. тела. - 2021. - Т. 63 Вып. 6. - С. 721-728

Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian State Univ Sci & Technol, Krasnoyarsk 660014, Russia.
Natl Acad Sci Belarus, Sci & Pract Mat Res Ctr, Minsk 220072, BELARUS.

Доп.точки доступа:
Romanova, O. B.; Романова, Оксана Борисовна; Kretinin, V. V.; Aplesnin, S. S.; Аплеснин, Сергей Степанович; Sitnikov, M. N.; Udod, L. V.; Удод, Любовь Викторовна; Yanushkevich, K. I.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Belarusian Republican Foundation for Basic Research [20-52-00005]
}
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    Intrinsic isotropic near-zero thermal expansion in Zn4B6O12X (X = O, S, Se) / Y. Q. Liu, D. J. Mei, N. Z. Wang [et al.] // ACS Appl. Mater. Interfaces. - 2020. - Vol. 12, Is. 34. - P. 38435-38440, DOI 10.1021/acsami.0c12351. - Cited References: 43. - This work was supported by the National Scientific Foundations of China (Grants 51872297, 51702330, 11974360, 51972208, 51890864, and 51802321), Russian Foundation for Basic Research (Grant 17-52-53031), and Fujian Institute of Innovation (FJCXY18010201) in CAS. X.J. acknowledges the support from the Youth Innovation Promotion Association in CAS (Grant 2017035) and Youth Talent Promotion Project from China Association for Science and Technology . - ISSN 1944-8244. - ISSN 1944-8252
   Перевод заглавия: Близкое к нулю изотропное тепловое расширение в Zn4B6O12X (X = O, S, Se)

РУБ Nanoscience & Nanotechnology + Materials Science, Multidisciplinary
Рубрики:
CRYSTAL
Кл.слова (ненормированные):
intrinsic isotropic zero thermal expansion -- phonon mode -- first-principals vibration analysis -- borate -- sodalite cage structure
Аннотация: Zero thermal expansion (ZTE) materials, keeping size constant as temperature varies, are valuable for resisting the deterioration of the performance from environmental temperature fluctuation, but they are rarely discovered due to the counterintuitive temperature-size effect. Herein, we demonstrate that a family of borates with sodalite cage structure, Zn4B6O12X (X = O, S, Se), exhibits intrinsic isotropic near-ZTE behaviors from 5 to 300 K. The very low thermal expansion is mainly owing to the coupling rotation of [BO4] rigid groups constrained by the bonds between Zn and cage-edged O atoms, while the central atoms in the cage have a negligible contribution. Our study has significant implications on the understanding of the ZTE mechanism and exploration of new ZTE materials.

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Держатели документа:
Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China.
Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Shanghai Univ Engn Sci, Coll Chem & Chem Engn, Shanghai 201620, Peoples R China.
Fed Res Ctr KSC SB RAS, Lab Crystal Phys, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Liu, Youquan; Mei, Dajiang; Wang, Naizheng; Molokeev, M. S.; Молокеев, Максим Сергеевич; Jiang, Xingxing; Lin, Zheshuai
}
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    Enhanced cyan emission and optical tuning of Ca3Ga4O9:Bi3+ for high-quality full-spectrum white light-emitting diodes / D. J. Liu, X. H. Yun, G. G. Li [et al.] // Adv. Opt. Mater. - 2020. - Vol. 8, Is. 22. - Ст. 2001037, DOI 10.1002/adom.202001037. - Cited References: 55. - This work was financially supported by the National Natural Science Foundation of China (NSFC No. 51932009, 51720105015, 51672265, 51672266, 51672257 and 51672259), the Key Research Program of Frontier Sciences, CAS (Grant No. YZDY-SSW-JSC018), Science and Technology Cooperation Project between Chinese and Australian Governments (2017YFE0132300), the Jiangmen Innovative Research Team Program (2017), and the Major Program of Basic Research and Applied Research of Guangdong Province (2017KZDXM083) . - ISSN 2195-1071
   Перевод заглавия: Улучшенное голубое излучение и оптическая настройка Ca3Ga4O9:Bi3+ для получения высококачественных белых светодиодов полного спектра

РУБ Materials Science, Multidisciplinary + Optics
Рубрики:
ENERGY-TRANSFER
   TUNABLE LUMINESCENCE
   PHOSPHOR
   CRYSTAL
   MODULATION
Кл.слова (ненормированные):
cyan-emitting phosphors -- full-spectrum white lighting -- optical tuning -- single-phased white light-emitting diodes
Аннотация: Highly efficient cyan‐emitting phosphor materials are indispensable for closing the cyan gap in spectra of the traditional phosphor‐converted white light‐emitting diodes (WLEDs) to achieve high‐quality full‐spectrum white lighting. In this work, bright cyan‐emitting Ca3Ga4O9 (CGO):0.02Bi3+,0.07Zn2+ phosphor is developed to bridge the cyan gap. Such a Bi3+,Zn2+ codoping enhances the cyan emission of CGO:0.02Bi3+ by 4.1 times due to the influence of morphology and size of phosphor particles, charge compensation and lattice distortion. Interestingly, codoping La3+ ions into the current system can achieve a photoluminescence tuning of CGO:0.02Bi3+ from cyan to yellowish‐green by crystallographic site engineering. Besides, Bi3+–Eu3+ energy transfer is successfully realized in CGO:0.02Bi3+,0.07Zn2+,nEu3+ phosphors and the emission color tuning from cyan to orange is observed. The investigation of thermal quenching behaviors reveals that the incorporation of Zn2+ and La3+ improves the thermal stability of CGO:0.02Bi3+. Finally, CGO:0.02Bi3+,0.07Zn2+,0.10Eu3+ phosphor is employed to obtain a single‐phased warm WLED device. A full‐spectrum WLED device with remarkable color rendering index (Ra) of 97.4 and high luminous efficiency of 69.72 lm W−1 is generated by utilizing CGO:0.02Bi3+,0.07Zn2+ phosphor. This result suggests the important effect of CGO:0.02Bi3+,0.07Zn2+ phosphor on closing the cyan gap, providing new insights of cyan‐emitting phosphors applied in full‐spectrum white lighting.

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Держатели документа:
Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China.
Univ Sci & Technol China, Sch Appl Chem & Engn, Hefei 230026, Peoples R China.
China Univ Geosci, Fac Mat Sci & Chem, Engn Res Ctr Nanogeomat, Minist Educ, Wuhan 430074, Peoples R China.
RAS, SB, Lab Crystal Phys, Kirensky Inst Phys,Fed Res Ctr,KSC, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Engn Phys & Radioelect, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Shandong Univ, Sch Mat Sci & Engn, Jinan 266071, Peoples R China.
Wuyi Univ, Sch Appl Phys & Mat, Jiangmen 529020, Guangdong, Peoples R China.

Доп.точки доступа:
Liu, Dongjie; Yun, Xiaohan; Li, Guogang; Dang, Peipei; Molokeev, M. S.; Молокеев, Максим Сергеевич; Lian, Hongzhou; Shang, Mengmeng; Lin, Jun
}
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    Bismuth activated full spectral double perovskite luminescence materials by excitation and valence control for future intelligent LED lighting / Y. Wei, H. Yang, Z. Y. Gao [et al.] // Chem. Commun. - 2020. - Vol. 56, Is. 64. - P. 9170-9173, DOI 10.1039/d0cc03975f. - Cited References: 27. - This work was supported by the National Natural Science Foundation of China (Grant No. 51672259) and the Fundamental Research Funds for the National Universities, China University of Geosciences (Wuhan) (No. 1910491T02) . - ISSN 1359-7345. - ISSN 1364-548X
   Перевод заглавия: Активированные висмутом люминесцентные материалы двойных перовскитов, с полным спектром излучения, который получается за счет управления возбуждением и валентностью, для интеллектуального светодиодного освещения в будущем

РУБ Chemistry, Multidisciplinary
Рубрики:
PHOTOLUMINESCENCE
   PHOSPHORS
   Bi3+
   MODULATION
   CRYSTAL
Аннотация: A novel La2Mg1.14Zr0.86O6:Bi3+ double perovskite phosphor with excitation-induced blue/green photoluminescence tuning is reported. By designing Bi3+ → Eu3+ energy transfer, single-composition white light with wide-scale adjustable corrected color temperatures (CCTs) is successfully achieved. This work initiates a new insight to explore phosphors with excitation-induced photoluminescence tuning and wide CCT control for future intelligent LED lighting.

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Держатели документа:
China Univ Geosci, Engn Res Ctr Nanogeomat, Minist Educ, Fac Mat Sci & Chem, Wuhan 430074, Hubei, Peoples R China.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.

Доп.точки доступа:
Wei, Y.i.; Yang, Hang; Gao, Zhiyu; Xing, Gongcheng; Molokeev, M. S.; Молокеев, Максим Сергеевич; Li, Guogang
}
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Non-hydrostatic pressure-induced phase transitions in self-assembled diphenylalanine microtubes / A. Krylov [et al.] // Tech. Phys. - 2018. - Vol. 63, Is. 9. - P. 1311-1315, DOI 10.1134/S1063784218090098. - Cited References: 17. - This study was supported by the Turkish-Portuguese project no. TUBITAK/0006/2014. . - ISSN 1063-7842. - ISSN 1090-6525

РУБ Physics, Applied
Рубрики:
PEPTIDE NANOTUBES
CRYSTAL
Аннотация: The structural phase transitions in diphenylalanine microtubes caused by an increase in the non-hydrostatic pressure have been examined. Raman scattering investigations have been carried out and the results obtained have been interpreted and analyzed. Spectral variations in the ranges of phenyl ring vibrations and high-frequency oscillations of NH and CH groups have been analyzed. Under pressures of up to 9.8 GPa, four spectral anomalies indicative of the occurrence of phase transitions have been observed. The transitions under pressures of 1.7 and 4 GPa are shown to be reversible. The transition at 5.7 GPa is accompanied by partial sample amorphization.

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Публикация на русском языке Фазовые переходы в самоорганизованных микротрубках дифенилаланина, индуцированные негидростатическим давлением [Текст] / А. С. Крылов [и др.] // Журн. техн. физ. - 2018. - Т. 88 Вып. 9. - С. 1355-1358

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Univ Aveiro, Mat Inst Aveiro, Dept Phys, P-3810193 Aveiro, Portugal.
Univ Aveiro, Mat Inst Aveiro, CICECO, P-3810193 Aveiro, Portugal.

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.; Крылова, Светлана Николаевна; Kopyl, S.; Kholkin, A.; [TUBITAK/0006/2014]
}
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The magnetoelectric MEE-effect in the SmFe3(BO3)4 multiferroic in dc and ac electric fields / A. L. Freydman [et al.] // J. Appl. Phys. - 2018. - Vol. 124, Is. 13. - Ст. 134101, DOI 10.1063/1.5044598. - Cited References:22. - This work was supported by the Russian Foundation for Basic Research, projects no. 17-32-50043_mol_nr and no. 18-02-00696_a. . - ISSN 0021-8979. - ISSN 1089-7550

РУБ Physics, Applied
Рубрики:
CRYSTAL
Аннотация: The inverse magnetoelectric MEE-effect in the SmFe3(BO3)4 single-crystal sample in an applied electric field has been studied. The electric field E consists of two components: a constant one, e0, and a variable one, e × cos(ωt). The investigated compound evokes great interest due to the existence of both linear and quadratic contributions to the magnetoelectric effect. According to theoretical analysis, the effective susceptibility of the first harmonic of magnetic moment oscillations depends on the dc electric field component e0. Indeed, according to the measurement data, the dc field e0 significantly affects the MEE-effect first-harmonic amplitude: depending on the e0 sign, these oscillations can be either amplified or suppressed. This offers an opportunity for controlling the magnetic moment oscillation amplitude at the applied electric field frequency, including the signal modulation, which is promising for application. In the applied dc field e0, a slight change in the susceptibility of the MEE-effect term quadratic to the electric field was detected. The mathematical apparatus used correctly describes the qualitative dependence of the MEE-effect amplitude on the dc field e0, while the quantity appears to be approximately twofold overestimated.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Inst Spect, Troitsk 108840, Russia.
Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia.

Доп.точки доступа:
Freydman, A. L.; Фрейдман, Александр Леонидович; Erofeev, D. A.; Temerov, V. L.; Темеров, Владислав Леонидович; Gudim, I. A.; Гудим, Ирина Анатольевна; Russian Foundation for Basic Research [17-32-50043_mol_nr, 18-02-00696_a]
}
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Generation of coherent radiation in the vacuum ultraviolet using randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // Opt. Lett. - 2016. - Vol. 41, Is. 3. - P. 618-621, DOI 10.1364/OL.41.000618. - Cited References:15 . - ISSN 0146-9592. - ISSN 1539-4794

РУБ Optics
Рубрики:
Crystal
SrB4O7
nm
Аннотация: Tunable coherent radiation is generated in the vacuum ultraviolet down to 121 nm using random quasi-phase matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. Relevant properties of this radiation, the nonlinear process, and the nonlinear crystal are investigated.

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Держатели документа:
Max Born Inst Nonlinear Opt & Ultrafast Spect, 2A Max Born Str, D-12489 Berlin, Germany.
LV Kirenskii Inst Phys, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Trabs, Peter; Noack, Frank; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, Valentin
}
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Identification of ε-Fe2O3 nano-phase in borate glasses doped with Fe and Gd / O. S. Ivanova [et al.] // J. Magn. Magn. Mater. - 2016. - Vol. 401. - P. 880-889, DOI 10.1016/j.jmmm.2015.10.126. - Cited References: 40. - This work was supported partly by the Russian Foundation for Basic Research, Grants No 14-02-01211-a and by the President of Russia Grant No. NSh-2886.2014.2. Authors are grateful to G.A. Bukhtiyarova and U.N. Martyanov for the assistance in the ε-Fe2O3 nanoparticles prepared by a wet chemical pore filling impregnation method and for the discussion of the obtained results . - ISSN 0304-8853

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
MAGNETIC-PROPERTIES
   IRON-OXIDE
   NANOPARTICLES
   CERAMICS
   CRYSTAL
   PARTICLES
   SURFACE
Кл.слова (ненормированные):
Magnetic nanoparticles -- ε-Fe2O3 -- Magnetic circular dichroism -- Electron magnetic resonance
Аннотация: A new type of magnetic nanoparticles was revealed in borate glasses co-doped with low contents of iron and gadolinium. Structure and magnetic properties of the particles differ essentially from that of the α-Fe2O3, γ-Fe2O3, or Fe3O4 nanoparticles which were detected earlier in similar glass matrices. Transmission electron microscopy including STEM-HAADF and EDX, synchrotron radiation-based XRD, static magnetic measurements, magnetic circular dichroism, and electron magnetic resonance studies allow referring the nanoparticles to the iron oxide phase-ε-Fe2O3. Analysis of the data set has shown that it is Gd atoms that govern the process of nanoparticles' nucleation and its incorporation into the particles in different proportions can be used to adjust their magnetic and magneto-optical characteristics. © 2015 Elsevier B.V.

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Держатели документа:
L.V. Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
NRC Kurchatov Institute, Moscow, Russian Federation
Boreskov Institute of Catalysis, Siberian Branch of RAS, Novosibirsk, Russian Federation
Novosibirsk State University, Novosibirsk, Russian Federation
Vavilov State Optical Institute, All-Russia Research Center, Petersburg, Russian Federation

Доп.точки доступа:
Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Edelman, I. S.; Эдельман, Ирина Самсоновна; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Zubavichus, Y. V.; Zaikovskii, V .I.; Stepanov, S. A.
}
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Study of electrical and thermoelecrical properties of sulfides TmxMn1-xS / S. S. Aplesnin [et al.] // Phys. Solid State. - 2016. - Vol. 58, Is. 1. - P. 19-24, DOI 10.1134/S1063783416010029. - Cited References: 25. - This study was supported by the Russian Foundation for Basic Research (project no. 15-42-04099 r_si-bir_a) and State Contract no. 114090470016. . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
SmxMn1-xS solid-solutions
   MnS
   Gd
   Transition
   Transport
   Crystal
Аннотация: Variable-valence TmxMn1–xS (0 ⩽ x ⩽ 0.15) compounds have been synthesized and their structural, electrical, and thermoelectrical properties have been studied in the temperature range of 80–1100 K. The regions of existence of solid solutions of sulfides TmxMn1–xS with the NaCl-type fcc lattice have been determined. It has been found that, as thulium ions are substituted for manganese cations, the electrical resistivity increases, and the lattice parameter increases more sharply than that corresponding to the Vegard’s law. The study of the temperature dependences of the thermopower coefficient has revealed that the current carrier sign is retained to 500 K for all the substitution concentrations, and the charge carrier type changes from the hole type to the electron type with variations in the temperature. The experimental data have been explained in terms of the exciton model.

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Публикация на русском языке Исследование электрических и термоэлектрических свойств сульфидов TmxMn1-xS [Текст] / С. С. Аплеснин [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 58 Вып. 1. - С. 21-26

Держатели документа:
Kirensky Institute of Metals, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50–38, Krasnoyarsk, Russian Federation
Reshetnikov Siberian Aerospace University, pr. imeni Gazety “Krasnoyarskii Rabochii” 31, Krasnoyarsk, Russian Federation
Scientific–Practical Materials Centre, National Academy of Sciences of Belarus, ul. P. Brovki 19, Minsk, Belarus
Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Lavrent’eva 3, Novosibirsk, Russian Federation

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Romanova, O. B.; Романова, Оксана Борисовна; Galyas, A. I.; Sokolov, V. V.
}
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10.

    Preparation of NaSrLa(WO4)3:Ho3+/Yb3+ ternary tungstates and their upconversion photoluminescence properties / C. S. Lim [et al.] // Mater. Lett. - 2016. - Vol. 181. - P. 38-41, DOI 10.1016/j.matlet.2016.05.121. - Cited References: 24. - This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2015-058813), SB RAS Program No.II.2P (No. 0358-2015-0012) and Russian Foundation for Basic Research (15-52-53080). . - ISSN 0167-577X
   Перевод заглавия: Синтез тройных вольфраматов NaSrLa1-x(WO4)3:Ho3+/Yb3+ и их апконверсионные люминесцентные свойства

РУБ Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
VIBRATIONAL PROPERTIES
   LUMINESCENCE PROPERTIES
   MODULATED STRUCTURE
   PHOSPHORS
   CRYSTAL
   RED
Кл.слова (ненормированные):
Tungstate -- Phosphor -- Sol-gel preparation -- Luminescence -- Raman spectroscopy -- XRD
Аннотация: NaSrLa1-x(WO4)3:Ho3+/Yb3+ ternary tungstates were synthesized via microwave sol-gel route. Well-crystallized particles with particle sizes of 2-5 ?m were obtained after heat-treatment at 900 °C for 16 h. Under the excitation at 980 nm, the particles showed yellow emissions based on the strong 545 and 655 nm emission bands. The preferable Yb3+:Ho3+ ratio was obtained to be 9:1. Raman spectra of the doped particles indicated the presence of strong Ho3+ luminescence lines. The pump power dependence and Commission Internationale de L'Eclairage chromaticity of the upconversion emission intensity were evaluated. © 2016 Published by Elsevier B.V.

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Держатели документа:
Department of Advanced Materials Science and 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
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

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

Synthesis and study of structural, thermodynamic, and magnetic properties of NaxLi1–xFeGe2O6 (x = 0.1–0.9) compounds / T. V. Drokina [et al.] // Phys. Solid State. - 2016. - Vol. 58, Is. 7. - P. 1361-1370, DOI 10.1134/S1063783416070143. - Cited References: 20 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
CLINOPYROXENE-TYPE LiFeGe2O6
   PHASE-TRANSITION
   PYROXENES
   TEMPERATURE
   LiFeSi2O6
   CRYSTAL
Аннотация: The properties of NaxLi1–xFeGe2O6 (x = 0.1–0.9) solid solutions obtained via a solid-phase synthesis have been measured by X-ray diffraction, calorimetry, and magnetic method. The order–disorder transformations in low-dimensional NaxLi1–xFeGe2O6 (x = 0.1–0.9) spin systems with predominately antiferromagnetic exchange interaction have been revealed in the low-temperature susceptibility dependences. The study of thermal and physical properties has confirmed that substituting the sodium ions with the lithium ones induces the first-order structural phase transitions of the displacement type which are characterized by a symmetry change in monoclinic crystals from high-temperature C2/c space group to low-temperature P21/c space group. © 2016, Pleiades Publishing, Ltd.

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Публикация на русском языке Синтез и исследование структурных, термодинамических и магнитных особенностей соединений NaxLi1-xFeGe2O6 (x=0.1-0.9) [Текст] / Т. В. Дрокина [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 58 Вып. 7. - С. 1316–1324

Держатели документа:
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50-38, Krasnoyarsk, Russian Federation
Far Eastern State Transport University, ul. Serysheva 47, Khabarovsk, Russian Federation
Siberian Federal University, pr. Svobodnyi 79, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Drokina, T. V.; Дрокина, Тамара Васильевна; Petrakovskii, G. A.; Петраковский, Герман Антонович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич
}
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12.

Aleksandrovsky, A. S.
Nonlinear optical processes and DUV generation in random domain structures of SBO / A. S. Aleksandrovsky // Conference on Lasers and Electro-Optics Europe - Technical Digest / Conference on Lasers and Electro-Optics (2015 ; May ; 10-15 ; San Jose, California, US) : IEEE, 2015. - Cited References:3 . - ISBN 2160-9020

РУБ Engineering, Electrical & Electronic + Optics + Physics, Applied
Рубрики:
CRYSTAL
Аннотация: Random domain structures in orthorhombic strontium tetraborate (alpha-SBO) are capable in enhancing nonlinear optical conversion efficiency for large variety of processes throughout all transparency window of this material, down to 121 nm. Properties of the material, origin of domains, frequency doubling and autocorrelation measurements, conversion of supercontinuum to UV and continuously tunable VUV generation are described. Prospects of biphoton field generation in alpha-SBO are discussed.

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Доп.точки доступа:
Александровский, Александр Сергеевич; Conference on Lasers and Electro-Optics(2015 ; May ; 10-15 ; San Jose, California, US)
}
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13.

Generation of coherent vacuum UV radiation in randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // Conference on Lasers and electro-optics (CLEO) : IEEE, 2015. - Cited References:6 . - ISBN 2160-9020

РУБ Engineering, Electrical & Electronic + Optics + Physics, Applied
Рубрики:
CRYSTAL
NM
Аннотация: Tunable coherent radiation is generated in the VUV down to 121 nm using random quasi-phase-matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. (C) 2015 Optical Society of America

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Доп.точки доступа:
Trabs, Peter; Noack, Frank; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, Valentin
}
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14.

Pavlovskii, M. S.
Calculation of lattice dynamics, elastic and dielectric properties of γ-BiB3O6 and δ-BiB3O6 / M. S. Pavlovskii, A. S. Shinkorenko, V. I. Zinenko // Phys. Solid State. - 2015. - Vol. 57, Is. 4. - P. 675-682, DOI 10.1134/S1063783415040241. - Cited References:14. - This study was supported by the Council on Grants from the President of the Russian Federation for Support of the "Leading Scientific Schools" (grant no. NSh-924.2014.2). . - ISSN 1063. - ISSN 1090-6460. -

РУБ Physics, Condensed Matter
Рубрики:
BISMUTH BORATE BiB3O6
   OPTICAL-PROPERTIES
   CRYSTAL
   RAMAN
Аннотация: The crystal lattice vibration frequencies, densities of phonon states, elastic moduli, and high-frequency permittivities have been calculated in terms of the density functional theory method for two polymorphs γ-BiB3O6 and δ-BiB3O6. Based on the calculated densities of phonon states, the temperature dependences of the free energies of two considered bismuth triborate modifications have been constructed, and the temperature of the phase transition between these modifications has been determined (1100 K). The structure of a possible nonpolar praphase of δ-BiB3O6 has been proposed. The polarization of δ-BiB3O6 has been estimated as 131 μC/cm2.

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Публикация на русском языке Павловский, Максим Сергеевич. Расчет динамики решетки, упругие и диэлектрические свойства γ-BiB3O6 и δ-BiB3O6 [Текст] / М. С. Павловский, А. С. Шинкоренко, В. И. Зиненко // Физ. тверд. тела : Санкт-Петербургская издательская фирма "Наука" РАН, 2015. - Т. 57 Вып. 4. - С. 661-667

Доп.точки доступа:
Shinkorenko, A. S.; Шинкоренко, Алексей Сергеевич; Zinenko, V. I.; Зиненко, Виктор Иванович; Павловский, Максим Сергеевич; Council on Grants from the President of the Russian Federation for Support of the "Leading Scientific Schools" [NSh-924.2014.2]
}
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15.

Spectral fringes in non-phase-matched SHG and refinement of dispersion relations in the VUV / P. Trabs [et al.] // Opt. Express. - 2015. - Vol. 23, Is. 8. - P. 10091-10096, DOI 10.1364/OE.23.010091. - Cited References:11 . - ISSN 1094-4087

РУБ Optics
Рубрики:
2ND-HARMONIC GENERATION
   CRYSTAL
   STRONTIUM
   SrB4O7
Аннотация: We consider second harmonic generation (SHG) of ultrashort pulses in the case of strong phase- and group-velocity mismatch. Spectral fringes appear in the second harmonic related to two delayed replicas of the fundamental pulse in the time domain. The fringe separation can be used to evaluate the group-velocity and refractive index of nonlinear crystals at extreme wavelengths. Experimental results with femtosecond pulses in SrB4O7 (SBO) are used to refine the Sellmeier equation describing the nc refractive index down to 160 nm, essential for the use of this unique nonlinear crystal for random quasi-phase-matching in the VUV.

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Держатели документа:
Max Born Inst Nonlinear Opt & Ultrafast Spect, D-12489 Berlin, Germany.
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Trabs, Peter; Noack, Frank; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Radionov, N. V.; Радионов, Никита Вячеславович; Petrov, V.
}
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16.

Generation of coherent vacuum UV radiation in randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // CLEO-SI : Optical Society of America, 2015. - P. 2267, DOI 10.1364/CLEO_SI.2015.STh3H.2. - Cited References:6 . - ISBN 9781557529688 (ISBN). - ISBN 2160-9020

РУБ Engineering, Electrical & Electronic + Optics + Physics, Applied
Рубрики:
CRYSTAL
NM
Аннотация: Tunable coherent radiation is generated in the VUV down to 121 nm using random quasi-phase-matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. © 2015 Optical Society of America.

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Доп.точки доступа:
Trabs, P.; Noack, F.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, V.; Conference on Lasers and Electro-Optics(2015 ; May ; 10-15 ; San Jose, California, US)
}
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17.

Aleksandrovsky, A. S.
Nonlinear optical processes and DUV generation in random domain structures of SBO / A. S. Aleksandrovsky // Conference on Lasers and Electro-Optics Europe - Technical Digest / Conference on Lasers and Electro-Optics (2015 ; may ; 10–15 ; San Jose, California, US) : IEEE-Institute Electrical and Electronics Engineers, 2015. - Vol. 2015-August. - Ст. 7184028, DOI 10.1364/CLEO_SI.2015.STh3H.1. - Cited References: 3 . - ISBN 9781557529688 (ISBN)

РУБ Engineering, Electrical & Electronic + Optics + Physics, Applied
Рубрики:
CRYSTAL
Кл.слова (ненормированные):
Correlation -- Nonlinear optics -- Optical diffraction -- Optical frequency conversion -- Optical harmonic generation -- Ultrafast optics
Аннотация: Random domain structures in orthorhombic strontium tetraborate (α-SBO) are capable in enhancing nonlinear optical conversion efficiency for large variety of processes throughout all transparency window of this material, down to 121 nm. Properties of the material, origin of domains, frequency doubling and autocorrelation measurements, conversion of supercontinuum to UV and continuously tunable VUV generation are described. Prospects of biphoton field generation in α-SBO are discussed. © 2015 OSA.

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Доп.точки доступа:
Александровский, Александр Сергеевич; Conference on Lasers and Electro-Optics(2015 ; May ; 10-15 ; San Jose, California, US)
}
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18.

Correlation of the magnetic and transport properties with polymorphic transitions in bismuth pyrostannate Bi2(Sn1 − xCr x)2O7 / S. S. Aplesnin [et al.] // Phys. Solid State. - 2015. - Vol. 57, Is. 8. - P. 1627-1632, DOI 10.1134/S1063783415080028. - Cited References: 17. - This study was supported by the Russian Foundation for Basic Research (project no. 15-02-01445-a) and the Ministry of Education and Science of the Russian Federation (state task no. 114090470016). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
GAS SENSORS
Bi2Sn2O7
CRYSTAL
Аннотация: The correlation of the electrical, magnetic, and structural properties of Bi2(Sn1 − xCrx)2O7 solid solutions has been investigated for two compositions with x = 0.05 and 0.1. The temperatures of structural phase transitions and anomalies of the electrical resistance in the vicinity of these transitions at temperatures in the range 300 K ˂ T ˂ 1000 K have been determined using differential scanning calorimetry. It has been found that the thermoelectric power changes sign upon the polymorphic transition. The paramagnetic Curie temperature and the chromium-ion spin have been found from the temperature dependence of the magnetic susceptibility in the range 4 K ˂ T ˂ 1000 K and from the field dependence of the magnetic moment in magnetic fields of up to 6 T.

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Публикация на русском языке Корреляция магнитных и транспортных свойств с полиморфными переходами в пиростаннате висмута Bi2(Sn1-xCrx)2O7 [Текст] / С. С. Аплеснин [и др.] // Физ. тверд. тела. - 2015. - Т. 57 Вып. 8. - С. 1590-1595

Держатели документа:
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50-38, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, pr. imeni Gazety “Krasnoyarskii Rabochii” 31, Krasnoyarsk, Russian Federation
Far Eastern State Transport University, ul. Serysheva 47, Khabarovsk, Russian Federation
Krasnoyarsk Scientific Center, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation
Scientific-Practical Materials Research Centre, National Academy of Sciences of Belarus, ul. P. Brovki 19, Minsk, Belarus

Доп.точки доступа:
Аплеснин, Сергей Степанович; Aplesnin, S. S.; Udod, L. V.; Удод, Любовь Викторовна; Sitnikov, M. N.; Eremin, E. V.; Еремин, Евгений Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Tarasova, L. S.; Yanushkevich, K. I.; Galyas, A. I.; Russian Foundation for Basic Research [15-02-01445-a]; Ministry of Education and Science of the Russian Federation [114090470016]
}
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19.

    Nonlinear Raman-Nath diffraction of femtosecond laser pulses / A. M. Vyunishev [et al.] // Opt. Lett. - 2014. - Vol. 39, Is. 14. - P. 4231-4234, DOI 10.1364/OL.39.004231. - Cited References: 22. - This work was partially supported by the Grant of the President of the Russian Federation MK-250.2013.2, Krasnoyarsk Regional Fund for Science and Technical Activity Support and by the RAS grant no. 24.31. A. A. acknowledges the financial support of young scientists through the Ural Federal University Development Program. The authors thank A. S. Chirkin and I. V. Timofeev for fruitful discussions and A. V. Barannik for optical microscopy of the samples. . - ISSN 0146-9592. - ISSN 1539-4794
   Перевод заглавия: Нелинейная дифракция Рамана-Ната фемтосекундных лазерных импульсов

РУБ Optics
Рубрики:
STRONTIUM BARIUM NIOBATE
   2nd-HARMONIC GENERATION
   PHOTONIC STRUCTURES
   DOMAIN-STRUCTURE
   LITHIUM-NIOBATE
   CRYSTAL
Аннотация: We study the nonlinear Raman–Nath diffraction (NRND) of femtosecond laser pulses in a 1D periodic nonlinear photonic structure. The calculated second-harmonic spectra represent frequency combs for different orders of transverse phase matching. These frequency combs are in close analogy with the well-known spectral Maker fringes observed in single crystals. The spectral intensity of the second harmonic experiences a redshift with a propagation angle, which is opposite the case of Čerenkov nonlinear diffraction. We analyze how NRND is affected by the group-velocity mismatch between fundamental and second-harmonic pulses and by the parameters of the structure. Our experimental results prove the theoretical predictions.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660079, Russia
Ural Fed Univ, Ekaterinburg 620000, Russia
Labfer Ltd, Ekaterinburg 620014, Russia

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Slabko, V. V.; Слабко, Виталий Васильевич; Baturin, I. S.; Akhmatkhanov, A. R.; Shur, V. Y.; Russian Federation [MK-250.2013.2]; Krasnoyarsk Regional Fund for Science and Technical Activity Support; RAS grant [24.31]; Ural Federal University Development Program
}
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20.

    Synthesis and molecular structure of cobalt(II) complex with 1-(1-silatranylmethyl)-1,2,4-triazole / A. D. Vasiliev [et al.] // Struct. Chem. - 2013. - Vol. 24, Is. 4. - P. 1001-1005, DOI 10.1007/s11224-012-0121-0. - Cited References: 24 . - ISSN 1040-0400
   Перевод заглавия: Синтез и молекулярная структура комплекса кобальта(II) с 1-(1-силатранилметил)-1,2,4-триазолом

РУБ Chemistry, Multidisciplinary + Chemistry, Physical + Crystallography
Рубрики:
REACTIVITY
   DERIVATIVES
   CRYSTAL
   SPECTRA
Кл.слова (ненормированные):
Complexes -- 1-(1-Silatranylmethyl)-1,2,4-triazole -- Cobalt dichloride -- X-ray diffraction
Аннотация: Reaction of cobalt chloride with 1-(1-silatranylmethyl)-1,2,4-triazole in benzene afforded complex CoCl2 center dot 2L (L = 1-(1-silatranylmethyl)-1,2,4-triazole). It was isolated as the solvate [CoCl2 center dot 2L]center dot CH2Cl2 (1) by recrystallization from dichloromethane and structurally characterized by single-crystal X-ray diffraction. It crystallizes in the monoclinic space group P2(1)/m with a = 6.798(2) E, b = 20.326(5) E, c = 11.005(3) E, and Z = 4. The cobalt atom is in slightly distorted square-planar environment, coordinated to two nitrogen atoms from two ligands and two chloride ions.

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
East Siberian State Academician Educ, Irkutsk 664011, Russia
Russian Acad Sci, Siberian Branch, AE Favorsky Irkutsk Inst Chem, Irkutsk 664033, Russia

Доп.точки доступа:
Vasiliev, A. D.; Васильев, Александр Дмитриевич; Zel'bst, E. A.; Soldatenko, A. S.; Bolgova, Yu.I.; Trofimova, O. M.; Voronkov, M. G.
}
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