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    A novel Cr3+-doped stannate far red phosphor for plant lighting: structure evolution, broad-narrow spectrum tuning and application prospect / S. J. Gai, C. Zhou, L. Peng [et al.] // Mater. Today Chem. - 2022. - Vol. 26. - Ст. 101107, DOI 10.1016/j.mtchem.2022.101107. - Cited References: 50. - The authors would like to gratefully acknowledge funds from the National Natural Science Foundation of China (Grant No. 51974123), the Distinguished Youth Foundation of Hunan Province (Grant No.2020JJ2018), the Key R & D projects in Hunan Province (2020WK2016, 2020SK2032, 2021SK2047, 2022NK2044), the Natural Science Foundation of Hunan Province, China (Grant No. 2021JJ40261), the Hunan High Level Talent Gathering Project (2019RS1077&2020RC5007), the Scientific Research Fund of Hunan Provincial Education Department (19C0903), the Natural Sciences Foundation of Hunan Agricultural University, China (Grant No. 19QN11), Hunan Provincial Key Laboratory of Crop Germplasm Innovation and Resource Utilization Science Foundation (19KFXM12), Changsha Science and technology plan (KH2005114 and KH2201428), the Hunan Graduate Scientific Research Innovation Project (2022XC017) and the College Students' Innovative Training (S202110537012 and s202210537079x) . - ISSN 2468-5194
   Перевод заглавия: Новый станнатный инфракрасный люминофор, легированный Cr3+, для освещения растений: решение структуры, настройка широкого спектра и перспективы применения
Кл.слова (ненормированные):
Mg2SnO4: Cr3+ -- Chemical unit cosubstitution -- Emission tuning -- Local structural modification -- Plant growth LEDs
Аннотация: Chemical unit cosubstitution is an effective strategy to regulate the luminescence properties of phosphors, and it has attracted huge attention in the last few years. Following the design principles of the match of effective ion radius, atomic valence equilibrium and stoichiometric substitution, the local structure of crystal can be well customized, which is beneficial to develop high-performance luminescent materials. In this work, Mg2+-Sn4+ sites were cosubstituted by Zn2+-Ti4+ ion pairs in Mg2SnO4: Cr3+, respectively, and the emission spectra was successfully serially tuned from broad-band to narrow-band along with a unique variation trend of blue shift first and then slightly red shift. The photoluminescence excitation (PLE), photoluminescence (PL) spectra, lifetime decay, Raman spectra and electron paramagnetic resonance (EPR) were used to analyze the mechanism of luminescence tuning. Based on the manipulation of local structure, the as-observed distinct luminescence tuning can be well understood by the crystal field theory, nephelauxetic effect and changed Cr3+ capacity in this phosphor. Moreover, the adjusted narrow-band far-red emission spectra peak at 732 nm, matching the characteristic absorption of plant phytochrome PFR, has broad application prospects in the field of plant growth lighting. In addition, light-regulated dwarf potted tomato experiments were carried out to verify the application of far-red light in plant growth.

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Держатели документа:
College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China
School of Chemistry and Materials Science, Hunan Agricultural University, Changsha, 410128, China
Hunan Optical Agriculture Engineering Technology Research Center, Changsha, 410128, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk660036, Russian Federation

Доп.точки доступа:
Gai, S. J.; Zhou, C.; Peng, L.; Wu, M. H.; Gao, P. X.; Su, L. J.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zhou, Z.; Xia, M.
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    Apatite oxynitride phosphor (Mg,Y)5Si3(O,N)13:Ce3+,Mn2+: A single-phased host with solar-like and efficient emission / Y. Wu, W. Li, Y. Zheng [et al.] // J. Am. Ceram. Soc. - 2023. - Vol. 106, Is. 5. - P. 2985-2996, DOI 10.1111/jace.18981. - Cited References: 35. - This work was supported by the National Natural Science Foundation of China (Project No. 10804099, 21804119), Key projects of Zhejiang Natural Science Foundation (Project No. LZ18B050002), GDAS’ Project of Science and Technology Development (Nos. 2021GDASYL-20210103069, 2021GDASYL-20210103071) . - ISSN 0002-7820. - ISSN 1551-2916
   Перевод заглавия: Люминофор на основе оксинитрида апатита (Mg,Y)5Si3(O,N)13:Ce3+,Mn2+: однофазная матрица с эффективным излучением почти солнечного спектра
Кл.слова (ненормированные):
apatite oxynitride -- color rendering index -- full-color-emitting phosphor -- quantum efficiency -- thermal stability
Аннотация: During pursuing high color rendering index for full-color-emitting phosphor, low quantum efficiency (QE) is usually accompanying. We intend to elevate the luminescence efficiency when realizing a solar-like spectra distribution, by constructing apatite structure oxynitride, inheriting high covalence and rigidity from oxynitride, and suitable multiple cation sites from oxyapatite compounds. Full-color-emitting apatite structure oxynitride phosphor (Mg,Y)5Si3(O,N)13:Ce3+,Mn2+ has been prepared, and the crystal sites’ occupancies of activators in this host were favorable for white emission. (Mg,Y)5Si3(O,N)13:Ce3+,Mn2+ phosphor shows whole visible light with emission wavelength ranging from 370 to 750 nm, matching the spectra of sunlight quite well. The fabricated white light-emitting diode lamp demonstrated the distinctive overall performance of QE and chromaticity properties (Ra and R9). Furthermore, correlated color temperature is tunable from cool nature to warm white. The obtained lamp possesses the feature of less blue light hazard and high saturation of red degree, compared with the commercial YAG-based lamp.

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Держатели документа:
College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
Research Center of Analysis and Measurement, Zhejiang University of Technology, Hangzhou, China
Institute of Semiconductors, Guangdong Academy of Sciences, Guangzhou, China
School of Applied Physics and Materials, Wuyi University, Jiangmen, Guangdong, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia

Доп.точки доступа:
Wu, Yanzheng; Li, Weiqiang; Zheng, Yifan; Xu, Yiqin; Wen, Dawei; Molokeev, M. S.; Молокеев, Максим Сергеевич; Pan, Zaifa
}
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    Complex of ceftriaxone with Mg(II): Synthesis, structure, spectral and antibacterial properties / G. V. Novikova, D. I. Tsyplenkova, A. A. Kuzubov [et al.] // J. Sib. Fed. Univ. Chem. - 2023. - Vol. 16, Is. 1. - P. 5-15 ; Журн. СФУ. Химия. - Cited References: 28. - The research was funded by RFBR, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science, project number 20–43–240007 . - ISSN 1998-2836. - ISSN 2313-6049
   Перевод заглавия: Комплекс цефтриаксона с Mg(II): синтез, структура, спектральные и антибактериальные свойства
Кл.слова (ненормированные):
cephalosporin antibiotic -- ceftriaxone -- magnesium -- density functional theory -- molecular spectroscopy -- antibacterial screening -- цефалоспориновые антибиотики -- цефтриаксон -- магний -- теория функционала плотности -- молекулярная спектроскопия -- антибактериальный скрининг
Аннотация: Magnesium complex of ceftriaxone was obtained and characterized by atomic-emission and elemental analysis, TGA, FTIR and Raman spectroscopy, X-ray diffraction and density functional theory calculations. Ceftriaxone was coordinated to the magnesium ion by the oxygen of the triazine cycle in the 6th position, the nitrogen of the amine group of the thiazole ring, and oxygen atoms of the lactam carbonyl and carboxylate groups. The disodium salt of ceftriaxone and magnesium complex were screened for antibacterial activity against Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa.
Получен и охарактеризован магниевый комплекс цефтриаксона методами атомно-эмиссионного и элементного анализов, ТГА, ИК- и КР‑спектроскопии, РФА и расчетов теории функционала плотности. Цефтриаксон координируется к иону магния через кислород триазинового цикла в шестом положении, азот аминогруппы тиазольного цикла и атомы кислорода карбоксильной и лактамной групп. Динатриевая соль цефтриаксона и комплекс магния были исследованы на антибактериальную активность в отношении Staphylococcus aureus, Escherichia coli и Pseudomonas aeruginosa.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
L.V. Kirensky Institute of Physics SB RAS Federal Research Center "Krasnoyarsk Science Center SB RAS", Krasnoyarsk, Russian Federation
Scientific Research Institute of Medical Problems of the North Federal Research Center “Krasnoyarsk Scientific Center of the SB RAS”, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology SB RAS Federal Research Center "Krasnoyarsk Scientific Center of the SB RAS", Krasnoyarsk, Russian Federation

Доп.точки доступа:
Novikova, G. V.; Tsyplenkova, D. I.; Kuzubov, A. A.; Кузубов, Александр Александрович; Kolenchukova, O. A.; Samoilo, A. S.; Vorobyev, S. A.

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    Crystal and local atomic structure of MgFeBO4,Mg0.5Co0.5FeBO4, and CoFeBO4: effects of Co substitution / N. V. Kazak [et al.] // Phys. Status Solidi B. - 2015. - Vol. 252, Is. 10. - P. 2245-2258, DOI 10.1002/pssb.201552143. - Cited References: 46. - This work has been financed by the MECOM Project MAT11/23791, and DGA IMANA project E-34, Council for Grants of the President of the Russian Federation (project nos. NSh-2886.2014.2, SP-938.2015.5), and Russian Foundation for Basic Research (project nos. 13-02-00958-a, 13-02-00358-a, 14-02-31051-mol-a). The work of one of the coauthors (M.S.P.) was supported by the program of Foundation for promoting the development of small enterprises in scientific and technical sphere ("UMNIK" program). . - ISSN 0370. - ISSN 1521-3951
   Перевод заглавия: Кристаллическая и локальная атомная структура MgFeBO4, Mg0.5Co0.5FeBO4 and CoFeBO4: эффект замещения Со

РУБ Physics, Condensed Matter
Рубрики:
SPIN-GLASS BEHAVIOR
   MAGNETIC WARWICKITES
   SINGLE-CRYSTALS
   PHASE-RELATIONS
   OXYBORATE
   SYSTEM
   SPECTROSCOPY
   ANISOTROPY
   MN2OBO3
   FE2OBO3
Кл.слова (ненормированные):
crystal structure -- XANES -- EXAFS -- magnetic semiconductor -- oxyborate
Аннотация: Single-crystalline MgFeBO4, Mg0.5Co0.5FeBO4, and CoFeBO4 have been grown by the ﬂux method. The samples have been characterized by X-ray spectral analysis, X-ray diffraction, and X-ray absorption spectroscopy. The X-ray absorption near-edge structure (XANES) and extended X-ray absorption ﬁne structure (EXAFS) spectra have been measured at the Fe and Co K-edges over a wide temperature range (6.5– 300 K). The composition, the charge state, and local environ- ment of both Fe and Co atoms have been determined. The effects of Co substitution for Mg on the local structural distortions have been revealed experimentally and the M–O bond anisotropy has been found.
Монокристаллические образцы CoFeBO4 были выращены раствор-расплавным методом. Образцы были охарактеризованы с помощью рентгеноспектрального анализа, рентгеновской дифракции и спектроскопии поглощения рентгеновских лучей. Спектры вблизи K-края поглощения рентгеновского излучения структуры (XANES) и далее рентгеновского поглощения тонкой структуры (EXAFS) были измерены для Fe и Co в широком диапазоне температур (6.5- 300К). Состав, состояние заряда, и локальная положение и Fe и Co атомов были определены. Эффекты замещения Co магнием Mg на местные структурные искажения были выявлены экспериментально и анизотропия связи М-О была найдена.

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
National Research Center Kurchatov Institute, Moscow, Russian Federation
Servicio de Medidas Fi, sicas, Universidad de Zaragoza, Zaragoza, Spain
Departamento de Fisica de la Materia Condensada, Instituto de Ciencia de Materiales de Aragon, CSIC, Universidad de Zaragoza, Zaragoza, Spain
O. O. Galkin Institute for Physics and Engineering, National Academy of Sciences of Ukraine, Donetsk, Ukraine

Доп.точки доступа:
Kazak, N. V.; Казак, Наталья Валерьевна; Platunov, M. S.; Платунов, Михаил Сергеевич; Knyazev, Yu. V.; Князев, Юрий Владимирович; Ivanova, N. B.; Иванова, Наталья Борисовна; Zubavichus, Y. V.; Veligzhanin, A. A.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Arauzo, A.; Bartolome, J.; Lamonova, K. V.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
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Cинтез катионно-упорядоченных mn-mg оксиборатов, обладающих дальним магнитным порядком / Е. М. Мошкина, Т. П. Гаврилова, Ю. В. Князев [и др.]. - Электрон. текстовые дан. // II Отчетная конференция "Фундаментальные исследования молодых ученых Енисейской Сибири" : сборник материалов. - 2019. - С. 52-53. - Библиогр.: 1 . - ISBN 978-5-6042995-4-8

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Держатели документа:
Институт физики им. Л. В. Киренского ФИЦ КНЦ Сибирского отделения Российской академии наук

Доп.точки доступа:
Мошкина, Евгения Михайловна; Moshkina, E. M.; Гаврилова, Т. П.; Князев, Юрий Владимирович; Knyazev, Yu. V.; Платунов, Михаил Сергеевич; Platunov, M. S.; Чумаков, Р. Г.; Бельская, Надежда Алексеевна; Bel'skaya N.A.; Чернышев, А. В.; "Фундаментальные исследования молодых ученых Енисейской Сибири", отчетная конференция(2 ; 2019 ; 12-13 дек. ; Красноярск); Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук"; Сибирский федеральный университет; Институт физики им. Л.В. Киренского Сибирского отделения РАН
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Disorder- and correlation-induced charge carriers localization in oxyborate MgFeBO4, Mg0.5Co0.5FeBO4, CoFeBO4 single crystals / Y. V. Knyazev [et al.] // J. Alloys Compd. - 2015. - Vol. 642. - P. 232-237, DOI 10.1016/j.jallcom.2015.04.056. - Cited References:32. - This work has been financed by Council for Grants of the President of the Russian Federation (Project Nos. NSh-2886.2014.2, SP-938.2015.5), Russian Foundation for Basic Research (Project Nos. 13-02-00958-a, 13-02-00358-a, 14-02-31051-mol-a). The work of one of coauthors (M.S.P.) was supported by the grant of KSAI "Krasnoyarsk Regional Fund of Supporting Scientific and Technological Activities'' and by the Program of Foundation for Promoting the Development of Small Enterprises in Scientific and Technical Sphere ("UMNIK'' program). Financial support from the Spanish MINECO MAT11/23791 and DGA IMANA project E-34 is acknowledged. . - ISSN 0925. - ISSN 1873-4669. -

РУБ Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering
Рубрики:
WARWICKITE
Fe2OBO3
FeBO3
Кл.слова (ненормированные):
Transition metal alloys and compounds -- Disordered system -- Semiconductors -- Electrical transport
Аннотация: The temperature dependence of the resistivity of single crystalline Mg1−xCoxFeBO4 samples with x = 0.0, 0.5, 1.0 is investigated for the temperature range (210–400 K). The conduction was found to be governed by Mott variable-range hopping (VRH) in the low-temperature range (T = 210–270 K) and by thermo-activation mechanism in the high-temperature range (T = 280–400 K). Microscopic electronic parameters, such as the density of the localized states near the Fermi level, localization length, the hopping length, and the activation energy have been obtained. The change of the activation energy observed at high-temperature range was attributed to local structure distortions around Fe and Co atoms. The complicated behavior of charge transfer mechanisms is discussed based on two approaches: atomic disorder and electron correlations.
Температурная зависимость сопротивления монокристаллических образцов Mg1- XCoxFeBO4 с х = 0,0; 0.5, 1.0 исследована в интервале температур (210-400 К). Было установлено, что проводимость регулируется Мотт-переменной длиной прыжка (VRH) в области низких температур (T = 210-270 К) и термо-активационным механизмом в области высоких температур (Т = 280-400 К). Микроскопические электронные параметры, такие как плотность локализованных состояний вблизи уровня Ферми, длины локализации, длина прыжка, и энергия активации были получены. Изменение энергии активации наблюдается при высокой температурном Диапазоне, что было связано с локальными искажениями структуры вокруг Fe и Co атомов. Сложный механизм поведения переноса заряда обсуждается на основе двух подходов: атомный беспорядок и электронная корреляция.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660074, Russia
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Univ Zaragoza, Serv Medidas Fis, E-50009 Zaragoza, Spain
Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, E-50009 Zaragoza, Spain
Dept Fis Mat Condensada, Zaragoza 50009, Spain
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia

Доп.точки доступа:
Knyazev, Yu. V.; Kazak, N. V.; Казак, Наталья Валерьевна; Platunov, M. S.; Платунов, Михаил Сергеевич; Ivanova, N. B.; Иванова, Наталья Борисовна; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Arauzo, A.; Bartolome, J.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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Effect of hydrostatic pressure on phase transitions in ABF 6.6H2 crystals (A identical to Zn,Co,Mg,Mn,Fe:B identical to Ti,Si) / I. N. Flerov [et al.] // Journal of Physics: Condensed Matter. - 1992. - Vol. 4, Is. 1. - Ст. 020. - P. 91-99, DOI 10.1088/0953-8984/4/1/020 . - ISSN 0953-8984
Аннотация: The effect of hydrostatic pressure on structural phase transitions in some fluorotitanates and fluorosilicates of the ABF6.6H2O family is studied. It is shown that it is possible to divide the crystals of this family into two groups differing from each other in their values of entropy change and shifts of the phase transition temperature T0 under pressure. In some compounds the high-pressure phases and triple points were established. The phase diagram for FeSiF6.6H2O can be considered as a unified diagram describing the possible phase transitions in the crystals studied. The effect of deuteration is investigated in different phases.

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Доп.точки доступа:
Flerov, I. N.; Флёров, Игорь Николаевич; Горев, Михаил Васильевич; Gorev, M. V.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Afanasyev, M. L.; Афанасьев, Михаил Лаврентьевич
}
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    Facile synthesis of the desired red phosphor Li2Ca2Mg2Si2N6:Eu2+ for high CRI white LEDs and plant growth LED device / X. Yang [et al.] // J. Am. Ceram. Soc. - 2020. - Vol. 103, Is. 3. - P. 1773-1781, DOI 10.1111/jace.16858. - Cited References: 34. - National Natural Science Foundations of China, Grant/Award Number: 21671070 and 51802101; Project GDUPS; Natural Science Foundation of Guangdong Province, Grant/Award Number: 2018A030310217; Guangzhou Science & Technology Project, Grant/Award Number: 201704030086; Guangdong Provincial Special Fund for Modern Agriculture Industry Technology Innovation Teams; National Undergraduate Innovation and Entrepreneurship Training Program granted for Gening Xie, Grant/Award Number: 201910564035 . - ISSN 0002-7820. - ISSN 1551-2916
   Перевод заглавия: Простой синтез красного люминофора Li2Ca2Mg2Si2N6: Eu2+, необходимого для белых светодиодов с высоким CRI, и светодиодных устройств для роста растений

РУБ Materials Science, Ceramics
Рубрики:
IN-GLASS
   LUMINESCENCE
   PERFORMANCE
   EFFICIENT
   EMISSION
   ROUTE
Кл.слова (ненормированные):
high CRI white LEDs -- Li2Ca2Mg2Si2N6:Eu2+ -- phosphor -- plant growth LED device
Аннотация: The red emission with suitable peak wavelength and narrow band is acutely required for high color rendering index (CRI) white LEDs without at the cost of the luminous efficacy. Herein, the Li2Ca2Mg2Si2N6:Eu2+ red phosphor was prepared with facile solid‐state method using Ca3N2, Mg3N2, Si3N4, Li3N, and Eu2O3 as the safety raw materials under atmospheric pressure for the first time, which shows red emission peaking at 638 nm with full width at half maximum (FWHM) of 62 nm under blue light irradiation and becomes the desired red phosphor to realize the balance between luminous efficacy and high CRI in white LEDs. The morphology, structure, luminescence properties, thermal quenching behavior, and chromaticity stability of the Li2Ca2Mg2Si2N6:Eu2+ phosphor are investigated in detail. Concentration quenching occurs when the Eu2+ content exceeds 1.0 mol%, whereas high‐temperature photoluminescent measurements show a 32% drop from the room‐temperature efficiency at 423 K. In view of the excellent luminescence performances of Li2Ca2Mg2Si2N6:Eu2+ phosphor, a white LEDs with CRI of 91 as a proof‐of‐concept experiment was fabricated by coating the title phosphor with Y3Al5O12:Ce3+ on a blue LED chip. In addition, the potential application of the title phosphor in plant growth LED device was also demonstrated. All the results indicate that Li2Ca2Mg2Si2N6:Eu2+ is a promising red‐emitting phosphor for blue LED‐based high CRI white LEDs and plant growth lighting sources.

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Держатели документа:
South China Agr Univ, Coll Hort, Guangzhou, Guangdong, Peoples R China.
South China Agr Univ, Coll Mat & Energy, Guangdong Prov Engn Technol Res Ctr Opt Agr, Guangzhou 510642, Guangdong, Peoples R China.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk, Russia.

Доп.точки доступа:
Yang, Xiang; Zhang, Y.u.; Zhang, Xuejie; Chen, Jian; Huang, Haisen; Wang, Dongsheng; Chai, Xirong; Xie, Gening; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zhang, Haoran; Liu, Yingliang; Lei, Bingfu
}
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    Green light-excitable Ce-doped nitridomagnesoaluminate Sr[Mg2Al2N4] phosphor for white light-emitting diodes / J. L. Leano [et al.] // Chem. Mater. - 2016. - Vol. 28, Is. 19. - P. 6822-6825, DOI 10.1021/acs.chemmater.6b03442. - Cited References: 11. - This work was supported by the Ministry of Science and Technology of Taiwan (Contract Nos. MOST 104-2113-M-002-012-MY3, MOST 104-2119-M-002-027-MY3, MOST 104-2923-M-002-007-MY3); the National Center for Research and Development Poland Grant (No. PL-TW2/8/2015). The contribution of S.M. was supported by the grant “Iuventus Plus” 0271/IP3/2015/73 from Ministry of Science and Higher Education, Poland, and the Russian Foundation for Basic Research (15-52-53080). We also acknowledge the financial support from the Epistar Company. Further details of the crystal structure may be obtained from Fachinformationszentrum Karlsruhe, 76344 Eggenstein-Leopoldshafen, Germany (Fax: (+49)7247-808-666; E-mail: crystdata@fiz-karlsruhe.de; http://www.fiz-karlsruhe.de/request_for_deposited_data.html on quoting the deposition number: CSD-431335. . - ISSN 0897-4756
   Перевод заглавия: Возбуждаемый зеленым светом люминофор из допированного ионами Ce нитридомагнийалюмината для диодов испускающих белый свет

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Держатели документа:
Department of Chemistry, National Taiwan University, Taipei, Taiwan
Nanoscience and Technology Program, Taiwan International Graduate Program, Academia Sinica and National Taiwan University, Taipei, Taiwan
Department of Science and Technology, Philippine Textile Research Institute, Taguig City, Philippines
Institute of Experimental Physics, University of Gdansk, Wita Stwosza 57, Gdansk, Poland
EaStCHEM, School of Chemistry, University of St.Andrews, St.Andrews, Fife, United Kingdom
Instrumental Analysis and Research Center, Sun Yat-sen University, Guangzhou, China
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 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
National Synchrotron Radiation Research Center, Hsinchu, Taiwan
Department of Mechanical Engineering, Graduate Institute of Manufacturing Technology, National Taipei University of Technology, Taipei, Taiwan

Доп.точки доступа:
Leano, J. L.; Lin, S. -Y.; Lazarowska, A.; Mahlik, S.; Grinberg, M.; Liang, C.; Zhou, W.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Atuchin, V. V.; Tsai, Y. -T.; Lin, C. C.; Sheu, H. -S.; Liu, R. -S.
}
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10.

    High ionic conductivity of K5-xTlx(Mg0.5Hf1.5)(MoO4)6 (0 ≤ х ≤ 5) solid solutions / V. G. Grossman, M. S. Molokeev, J. G. Bazarova, B. G. Bazarov // Solid State Sci. - 2022. - Vol. 134. - Ст. 107027, DOI 10.1016/j.solidstatesciences.2022.107027. - Cited References: 39. - The work was supported by Basic Project of BINM SB RAS №0273-2021-0008. Structural analysis of materials in this study was partly supported by the Research Grant No. 075-15-2019-1886 from the Government of the Russian Federation . X-ray powder diffraction and thermal analysis were obtained using the equipment of the Collective Use Center BINM SB RAS . - ISSN 1293-2558
   Перевод заглавия: Высокая ионная проводимость твердых растворов K5-xTlx(Mg0.5Hf1.5)(MoO4)6 (0 ≤ х ≤ 5)
Кл.слова (ненормированные):
Synthesis -- Thallium -- Potassium -- Molybdates -- DSC -- Conducting material
Аннотация: Novel K5-xTlx(Mg0.5Hf1.5)(MoO4)6 (0 ≤ х ≤ 5) oxides were successfully synthesized by solid state reaction. The results indicate the formation of a continuous series of solid solutions with the NASICON-like structure (sp. gr. R3¯c) in the composition range 0 < x < 5. The unit-cell parameters of the solid solutions increase linearly with composition, as a consequence of thallium substitution for potassium. The cation conductivity of Tl5Mg0.5Hf1.5(MoO4)6 has been shown to exceed the conductivity of the parent potassium magnesium hafnium molybdate. The highest total conductivity of 2.49 × 10−3 S/cm was found at 831 K for Tl5Mg0.5Hf1.5(MoO4)6.

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Держатели документа:
Baikal Institute of Nature Management, SB RAS, Sakhyanovoy St., 6, Ulan-Ude, 670047, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC, Siberian Branch, Academy of Sciences, 50 / 38 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 82 Svobodniy Av., Krasnoyarsk, 660041, Russian Federation
Department of Physics, Far Eastern State Transport University, Serysheva str. 47, Khabarovsk, 680021, Russian Federation

Доп.точки доступа:
Grossman, V. G.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bazarova, J. G.; Bazarov, B. G.
}
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11.

Highly-efficiency far-red emission in Cr3+ activated Ca1.8Mg1.2Al2Ge3O12 toward plant precise lighting / Ch. Yang, D. Zheng, X. Zou [et al.] // Adv. Opt. Mater. - 2024. - Ст. 2303235, DOI 10.1002/adom.202303235. - Cited References: 48. - The work was supported by the National Natural Science Foundations of China (No. 12274144), the Guangdong Provincial Special Fund for Modern Agriculture Industry Technology Innovation Teams (No. 2023KJ122), the Key Realm R&D Program of Guangdong Province (No. 2021B0707010003), the Guangdong Provincial Science and Technology Project (No. 2022A1515010229), and the Project of GDUPS (2018) for Prof. Bingfu LEI . - Article in press. - ISSN 2195-1071
Кл.слова (ненормированные):
cationic substitution -- Cr3+-doped phosphor -- far-red emission -- plant lighting
Аннотация: Far-red (FR) region (beyond 700 nm) lighting sources possess special potential for plant lighting. However, it remains a challenge to obtain high-performance Cr3+-doped FR phosphors. This study developed a FR phosphor, Ca1.8Mg1.2Al2Ge3O12:Cr3+ (CMAGG: Cr3+), using the cation substitution strategy. Under 438 nm blue light excitation, the phosphors display FR emission centered at 720 nm with a full width at half maximum (FWHM) of 91 nm. Benefit from the favorable match with the FR phytochrome (Pfr), the phosphor is combined with InGaN blue light chips to create a FR phosphor-converted light-emitting diode (pc-LED), which is used in Italian lettuce growth experiments and it results shown in a 15% increase in fresh weight and a 6.5% increase in dry weight. Notably, supplemental FR light modulated its growth morphology. The results of this study will be useful for further research on novel Cr3+-doped FR phosphors to meet the precise spectral requirements for plant growth.

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Держатели документа:
Key Laboratory for Biobased Materials and Energy of Ministry of Education College of Materials and Energy, South China Agricultural University Guangzhou, Guangdong 510642, P. R. China
SBRAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia
Maoming Branch Guangdong Laboratory for Lingnan Modern Agriculture Maoming, Guangdong 525100, P. R. China

Доп.точки доступа:
Yang, Ch.; Zheng, D.; Zou, X.; Dai, X.; Tang, B.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zhang, X.; Zhang, H.; Liu, Y.; Lei, B.
}
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12.

Hydrogenation and properties of Pd-Mg-C and Pd-Al-C nanodispersion systems [Text] / G. N. Churilov, I. V. Osipova [et al.] // Hydrogen materials science and chemistry of carbon nanomaterials (ICHMS '2009) : XI International Conference, Yalta - Crimea - UKRAINE, August 25-31, 2009. - 2009. - P. 268-269. - Библиогр.: 9

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Публикация на русском языке: Гидрирование и свойства нанодисперсных Pd-Mg-C И Pd-Al-C систем [Текст] / G. N. Churilov, I. V. Osipova [и др.] // Водородное материаловедение и химия углеродных наноматериалов (ICHMS '2009) : XI Международная Конференция Ялта - Крым - Украина, 25-31 Августа , 2009. - 2009.- P.270-271

Доп.точки доступа:
Churilov, G. N.; Osipova, I. V.; Novikov, P.V.; Grebennikova, N.V.; Chesnokov, N.V.; "Hydrogen materials science and chemistry of carbon nanomaterials", International Conference(11 ; 2009 ; Aug. ; Yalta)
}
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13.

Hydrogenation of the Nanopowders That Form in a Carbon-Helium Plasma Stream during the Introduction of Ni and Mg / G. N. Churilov [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 113, Is. 6. - P. 1057-1062, DOI 10.1134/S1063776111140135. - Cited References: 9. - This work was supported by the Russian Foundation for Basic Research, project no. 09-03-00383-a. . - ISSN 1063-7761

РУБ Physics, Multidisciplinary

Кл.слова (ненормированные):
Carbon atoms -- Composite nanoparticles -- High temperature -- Hydrogen absorption -- Hydrogen atoms -- Island growth -- Magnesium hydride -- Magnesium surface -- Nano powders -- Nickel atoms -- Plasma streams -- Atoms -- Carbon -- Composite materials -- Density functional theory -- Electron beams -- Helium -- Hydrogen -- Hydrogenation -- Nanoparticles -- Nickel -- Scanning electron microscopy -- Thermogravimetric analysis -- X ray photoelectron spectroscopy -- Magnesium
Аннотация: Composite nanoparticles consisting of magnesium, nickel, and carbon atoms are studied both theoretically and experimentally. The calculations performed in terms of the density functional theory show that the jump frequency of hydrogen atoms in nickel-containing magnesium hydride increases substantially near impurity nickel atoms; as a result, the rate of hydrogen absorption by magnesium also increases. Nickel on the magnesium surface is shown to be absorbed via an island growth mechanism. Composite Mg-C, Ni-C, and Mg-Ni-C powders are produced by plasmachemical synthesis in a carbon-helium plasma stream. Hydrogen is introduced into a chamber during synthesis. It is found by X-ray photoelectron spectroscopy and thermogravimetric analysis that, among these three composites, only Mg-Ni-C contains magnesium fixed in the MgH2 compound. The process of such "ultrarapid" hydrogenation of magnesium, which occurs in the time of formation of composite nanoparticles, can be explained by the catalytic action of nickel, which is enhanced by a high temperature. Scanning electron microscopy micrographs demonstrate the dynamics of the dehydrogenation of Mg-Ni-C composite nanoparticles in heating by an electron beam.

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Держатели документа:
[Churilov, G. N.
Osipova, I. V.
Glushchenko, G. A.
Fedorov, A. S.
Popov, Z. I.
Cherepakhin, A. V.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Tomashevich, Ye. V.
Vereshchagin, S. N.
Zhizhaev, A. M.] Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia
[Bulina, N. V.] Russian Acad Sci, Siberian Branch, Inst Solid State Chem & Mechanochem, Novosibirsk 630128, Russia
ИФ СО РАН
ИХХТ СО РАН
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, 660036, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, ul. K. Marksa 42, Krasnoyarsk, 660049, Russian Federation
Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, ul. Kutateladze 18, Novosibirsk, 630128, Russian Federation

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Osipova, I. V.; Осипова, Ирина Владимировна; Tomashevich, Y. V.; Томашевич, Евгений Владимирович; Glushchenko, G. A.; Глущенко, Гарий Анатольевич; Fedorov, A. S.; Федоров, Александр Семенович; Popov, Z. I.; Попов, Захар Иванович; Bulina, N. V.; Булина, Наталья Васильевна; Vereshchagin, S. N.; Zhizhaev, A. M.; Cherepakhin, A. V.; Черепахин, Александр Владимирович
}
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14.

Karaev, A. A.
Induced magnetic superstructure in the FeBO3 : Mg weak ferromagnet / A. A. Karaev, B. Y. Sokolov, Y. M. Fedorov // Phys. Solid State. - 2000. - Vol. 42, Is. 11. - P. 2097-2102, DOI 10.1134/1.1324046. - Cited References: 13 . - ISSN 1063-7834

РУБ Physics, Condensed Matter

Аннотация: The domain structure of a FeBO3 : Mg single crystal was studied with a polarizing microscope. It was found that application of a magnetic field along the hard axis in the basal plane of this weak ferromagnet gives rise, within a certain field-strength interval, to a magnetic superstructure observed against the background of the macrodomain structure of the sample. The magnetic superstructure is visually represented as a quasi-periodic system of bands oriented perpendicular to the applied field, with an alternating magneto-optic image contrast along an axis coinciding with the magnetic-field direction. The absence of sharp changes in the contrast of the magnetic superstructure image along this axis is explained as being due to the smooth variation of the sublattice magnetic-moment azimuth with spatial coordinates. The results obtained are discussed within the parameters of the instability of a uniform magnetic state of a system in the random field induced by a magnetic field. (C) 2000 MAIK "Nauka/Interperiodica".

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Держатели документа:
Tashkent State Univ, Tashkent 700095, Uzbekistan
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Sokolov, B. Y.; Fedorov, Y. M.
}
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15.

Investigation of the Magnetic Properties of Warwickite Mn0.89Mg1.11BO4 / R. M. Eremina [et al.] // Bull. Russ. Acad. Sci. Phys. - 2019. - Vol. 83, Is. 7. - P. 792-794, DOI 10.3103/S106287381907013X. - Cited References: 3. - This work was supported by the Russian Foundation for Basic Research; the Administration of Krasnoyarsk Krai; and the Krasnoyarsk Krai Science Foundation, project no. 18-42-243007. . - ISSN 1062-8738
Кл.слова (ненормированные):
Antiferromagnetism -- Electron spin resonance spectroscopy -- Magnetic susceptibility -- Manganese compounds -- Single crystals -- Temperature distribution
Аннотация: The temperature dependences of the magnetic susceptibility in magnetic fields applied parallel and perpendicular to axis с of a Mn0.89Mg1.11BO4 single crystal were measured. Spin ordering typical of an antiferromagnetic with an easy magnetization axis was observed below 16 K. The Dzyaloshinskii–Moriya interaction between spins of manganese ions in Mn0.89Mg1.11BO4 was estimated by analyzing the EPR linewidth. © 2019, Allerton Press, Inc.

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Публикация на русском языке

Держатели документа:
Zavoisky Physical-Technical Institute, Kazan Scientific Center, Russian Academy of Sciences, Kazan, 420029, Russian Federation
Kazan Federal University, Kazan, 420008, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, 660037, Russian Federation

Доп.точки доступа:
Eremina, R. M.; Moshkina, E. M.; Мошкина, Евгения Михайловна; Gavrilova, T. P.; Muftakhutdinov, A. R.; Gilmutdinov, I. F.
}
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16.

Investigations of ferroelastic phase transitions in ABF6 6H2O crystals (A: Zn, Co, Mg, Mn, Fe; B: Ti, Si) / I. N. Flerov [и др.] // Ferroelectrics. - 1993. - Vol. 143, Is. 1. - P. 11-16, DOI 10.1080/00150199308008307 . - ISSN 0015-0193
Кл.слова (ненормированные):
ferroelastic -- phase transition, -- birefringence -- phase diagram -- deuteration
Аннотация: Investigations of twinning, birefringence, heat capacity, effect both of deuteration and of hydrostatic pressure were carried out on crystals of ABF6-6H2O family. The high-temperature and high-pressure phases were found in some compounds. The hypothetic p-T phase diagram was suggested describing the variety of phases observed up to now in this family of crystals.

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Доп.точки доступа:
Flerov, I. N.; Флёров, Игорь Николаевич; Gorev, M. V.; Горев, Михаил Васильевич; Melnikova, S. V.; Мельникова, Светлана Владимировна; Afanasyev, M. L.; Афанасьев, Михаил Лаврентьевич; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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17.

    Magnetite nanoparticles diluted with Co and Mg ions: magnetic properties and application / O. S. Ivanova, E. S. Svetlitsky, D. A. Petrov, Yu. V. Knyazev // Магнитные материалы. Новые технологии : тез. докл. IX Байкал. междунар. конф. BICMM-2023 / чл. прогр. ком.: S. S. Aplesnin [et al.] ; чл. орг. ком. R. S. Iskhakov [et al.]. - Иркутск, 2023. - P. 93, DOI 10.26516/978-5-9624-2178-0.2023.1-207. - Библиогр.: 1 . - ISBN 978-5-9624-2178-0
   Перевод заглавия: Наночастицы магнетита, разбавленные ионами Co и Mg: магнитные свойства и применение

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Держатели документа:
Kirensky Institute of Physics SB RAS
Siberian Federal University

Доп.точки доступа:
Aplesnin, S. S. \чл. прогр. ком.\; Аплеснин, Сергей Степанович; Balaev, D. A. \чл. прогр. ком.\; Балаев, Дмитрий Александрович; Ovchinnikov, S. G. \чл. прогр. ком.\; Овчинников, Сергей Геннадьевич; Iskhakov, R. S. \чл. орг. ком.\; Исхаков, Рауф Садыкович; Ivanova, O. S.; Иванова, Оксана Станиславовна; Svetlitsky, E. S.; Petrov, D. A.; Петров, Дмитрий Анатольевич; Knyazev, Yu. V.; Князев, Юрий Владимирович; Байкальская международная конференция "Магнитные материалы. Новые технологии"(9 ; 2023 ; сент. ; 11-14 ; Байкальск); "Магнитные материалы. Новые технологии", Байкальская международная конференция(9 ; 2023 ; сент. ; 11-14 ; Байкальск); "Magnetic materials. New tecnologies", Baikal International Conference(9 ; 2023 ; Sept. ; 11-14 ; Baikalsk); Иркутский государственный университет
}
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18.

Ovchinnikov, S. G.
Metallization and spin crossover in Magnesiowustite (Mg1-x Fe (x) O) at high pressures / S. G. Ovchinnikov // JETP Letters. - 2011. - Vol. 94, Is. 3. - P. 192-196, DOI 10.1134/S0021364011150094. - Cited References: 25. - The work was supported by the Division of Physical Sciences, Russian Academy of Sciences (program "Strong Electron Correlations"), the Siberian and Ural Branches, Russian Academy of Sciences (joint project no. 40), the Russian Foundation for Basic Research (project nos. 09-02-00171 and 10-02-00251), and the Ministry of Education and Sciences (project no. KG P891, federal program "Human Resources"). I am grateful to Yu.S. Orlov, N.V. Lishneva, and I.A. Makarov for their assistance in this work. . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
EARTHS MANTLE
TRANSITION
Аннотация: The pressure-temperature phase diagram of magnesiowustite has been constructed using the many-electron LDA+GTB approach. The phase diagram includes a quantum critical point at P (c) = 55 GPa and has a symmetrical distribution of high-spin and low-spin states. The existence of a metallic state in a narrow temperature range above the critical point is predicted.

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Держатели документа:
[Ovchinnikov, S. G.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Ovchinnikov, S. G.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Овчинников, Сергей Геннадьевич
}
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19.

    Nanodispersed Mg-based powders received in a hydrogen-argon plasma flow and estimation of their application prospects as hydrogen storage materials / E. I. Melnikova [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2017. - Vol. 10, Is. 1. - P. 75-82 ; Журн. СФУ. Сер. "Математика и физика", DOI 10.17516/1997-1397-2017-10-1-75-82. - Cited References: 14. - The work was supported by Ministry of Education and Science of Russia (Russian-Japanese joined project, Agreement no. 14.613.21.0010, ID RFMEFI61314X0010). . - ISSN 1997-1397
   Перевод заглавия: Нанодисперсные порошки Mg, Mg-Ni, Mg-Pd, полученные в потоке водородоаргоновой плазмы и их характеристики
Кл.слова (ненормированные):
Magnesium powder -- Plasma-chemical synthesis -- Hydrogen storage -- порошок магния -- плазмохимический синтез -- хранение водорода
Аннотация: Nanodispersed powders, consisting of Mg, Mg and Ni, Mg and Pd, were synthesized in a water-cooled chamber in a hydrogen-helium mixture at atmospheric pressure. Plasma generation was carried out in HF arc discharge in an argon flow with one hollow electrode and the other — crucible with molten metal. The resulting powders were investigated by scanning electron microscopy, X-ray fluorescence analysis and X-ray analysis. When adding nickel during the synthesis, magnesium particles with nickel coating were obtained. Synthesis with palladium resulted in producing magnesium particles with dispersed fine palladium inclusions. However, since the saturated steam pressure of palladium is 2–3 orders lower than that of nickel, then obtaining particles coated with palladium is only possible at higher palladium melt temperatures that we could achieve in this laboratory setup variant. As a possible application of the synthesized powders the possibility of their hydrogen storage usage was experimentally evaluated. © Siberian Federal University. All rights reserved.
Нанодисперсные порошки, состоящие из Mg, Mg и Ni, Mg и Pd, были синтезированы в охлаждаемой водой камере, в гелии, смешанном с водородом при атмосферном давлении. Генерация плазмы осуществлялась в ВЧ-дуговом разряде в потоке аргона с одним полым электродом и другим — тиглем с расплавленным металлом. Полученные порошки исследовались методами растровой электронной микроскопии, рентгенофлуоресцентного анализа и рентгенофазового анализа. При одновременном распылении магния и никеля образовывались порошки, состоящие из частиц магния, покрытых никелевой оболочкой. При одновременном распылении магния и палладия порошки состояли из смеси частиц магния и частиц палладия. Однако так как давление насыщенных паров палладия на 2–3 порядка ниже, чем давление насыщенных паров никеля, то получение частиц, покрытых оболочкой палладия, возможно только при более высоких температурах расплава палладия, чем мы могли достигнуть в данном варианте нашей лабораторной установки. В качестве возможного применения синтезированных порошков экспериментально была оценена возможность их использования в виде аккумуляторов водорода.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Svobodny, 79, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics SB RAS, Akademgorodok, 50/38, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Akademgorodok 50/24, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Melnikova, E. I.; Kolonenko, A. L.; Колоненко, Андрей Леонидович; Glushenko, G. A.; Глущенко, Гарий Анатольевич; Vnukova, N. G.; Внукова, Наталья Григорьевна; Churilov, G. N.; Чурилов, Григорий Николаевич; Zhizhaev, A. M.

}
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20.

    New insight into phase formation of MxMg2Al4+xSi5-xO18:Eu2+ solid solution phosphors and its luminescence properties / J. Zhou [et al.] // Sci. Rep. - 2015. - Vol. 5. - Ст. 12149, DOI 10.1038/srep12149. - Cited References:17. - The present work was supported by the National Natural Science Foundations of China (Grant No. 51002146, No. 51272242), Natural Science Foundations of Beijing (2132050), the Program for New Century Excellent Talents in University of Ministry of Education of China (NCET-12-0950), Beijing Nova Program (Z131103000413047), Beijing Youth Excellent Talent Program (YETP0635), the Funds of the State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University (KF201306), and Fundamental Research Funds for the Central Universities (FRF-TP-14-005A1). . - ISSN 2045-2322
   Перевод заглавия: Новый взгляд на фазообразование люминофора MxMg2Al4+xSi5-xO18:Eu2+ и его люминесцентные свойства

РУБ Multidisciplinary Sciences
Рубрики:
CRYSTAL-STRUCTURE
   ENERGY-TRANSFER
   WHITE LEDS
   CORDIERITE
   Eu2+
   Mg2Al4Si5O18
   EMISSION
Аннотация: Here we reported the phase formation of MxMg2Al4+xSi5-xO18:Eu2+ (M = K, Rb) solid solution phosphors, where M+ ions were introduced into the void channels of Mg2Al4Si5O18 via Al3+/Si4+ substitution to keep the charge balance. XRD results revealed that the as-prepared phosphors with different M+ contents were iso-structural with Mg2Al4Si5O18 phase. The combined analysis of the Rietveld refinement and high resolution transmission electron microscopy (HRTEM) results proved that M+ ions were surely introduced into the intrinsic channels in Mg2Al4Si5O18. The emission peaks of MxMg2Al4+xSi5-xO18:Eu2+ (M = K, Rb) phosphors with various x values performed a systematic red-shift tendency, which was ascribed to the elongation of [MgO6] octahedra. The temperature stable photoluminescence and internal quantum efficiency (QE) of MxMg2Al4+xSi5-xO18:Eu2+ (M = K, Rb) phosphors were enhanced owing to the filling of M+ in the void channels suggesting a new insight to design the solid solution phosphors with improved photoluminescence properties.

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Держатели документа:
China Univ Geosci, Sch Mat Sci & Technol, Beijing 100083, Peoples R China.
Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China.
RAS, Kirensky Inst Phys, Lab Crystal Phys, SB, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.

Доп.точки доступа:
Zhou, Jun; Xia, Zhiguo; Chen, Mingyue; Molokeev, M. S.; Молокеев, Максим Сергеевич; Liu, Quanlin
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