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1.
Dark conductivity and
photoconductivity of germanium-sillenite crystals doped with
aluminum
and boron / A. T. Anistratov [et al.]> // Fiz. Tverd. Tela. - 1980. -
Vol. 22
,
Is. 6
. - P. 1865-1867. - Cited References: 6 . - ISSN 0367-3294
РУБ
Physics, Condensed Matter
WOS
Доп.точки доступа:
Anistratov, A. T.; Vorobev, A. V.; Grekhov, Y. N.; Malyshevskii, N. G.
}
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2.
Solid-phase reaction of
aluminum
with the hexagonal and cubic phases of cobalt in film systems / V. G. Miagkov [et al.]> // Tech. Phys. - 2002. -
Vol. 47
,
Is. 8
. - P. 1049-1052,
DOI
10.1134/1.1501689. - Cited References: 16 . - ISSN 1063-7842
РУБ
Physics, Applied
Рубрики:
HIGH-TEMPERATURE SYNTHESIS
THIN-FILMS
TRANSITION
Аннотация:
Solid-phase reactions taking place in Al/beta-Co/MgO(001) and Al/alpha-Co/MgO(001) film systems under conditions of self-propagating high-temperature synthesis (SHS) are investigated. In both systems, SHS products exhibit the single CoAl superstructure, which epitaxially grows on the MgO(001) surface in the Al/beta-Co/MgO(001) structures and has a fine-dispersed disordered structure in the Al/alpha-Co/MgO(001) films. It appears that the difference in the reagent structure has an effect on the energy of activation but does not change the SHS initiation temperature and the temperature at which the initial phase involved in the reaction products nucleates. It is shown that the SHS initiation temperature in the Al/beta-Co/MgO(001) and Al/alpha-Co/MgO(001) systems coincides with the temperature of CoAl superstructure ordering. (C) 2002 MAIK "Nauka / Interperiodica".
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Держатели документа:
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Miagkov, V. G.; Bykova, L. E.; Быкова, Людмила Евгеньевна; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Miagkov, F. V.
}
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3.
Real composition and
structure of manganese ferrite nanoparticles dispersed in the K-Al-B-O glasses / I. G. Vasil'eva [и др.]> // Dokl. Akad. Nauk. - 2005. -
Vol. 401
,
Is. 3
. - P. 349-352 . - ISSN 0869-5652
Кл.слова (ненормированные):
Aluminum
--
Boron compounds
--
Ferrite
--
Manganese
--
Nanostructured materials
--
Particles (particulate matter)
--
Structure (composition)
--
Borate glasses
--
Exchange interaction
--
Glass
Аннотация:
For the first time the problem of determining real composition and structure of manganese ferrite nanoparticles dispersed borate glasses is solved using differentiating dissolution and high-resolution X-ray electron microscopy techniques. For the first time the nanosize effect of
aluminum
incorporation in manganese ferrite composition is experimentally shown, thus directly confirming the hypothesis of Al participation in exchange interaction between paramagnetic Fe and Mn ions as diamagnetic diluter.
Scopus
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Публикация на русском языке
Реальный состав и структура наночастиц феррита марганца, диспергированных в матрице боратных стекол [Текст] / И. Г. Васильева [и др.] // Доклады Академии наук. - 2005. - Т. 401 № 3. - С. 349-352
Держатели документа:
Inst. Neorganicheskoj Khimii SO RAN, Novosibirsk, Russian Federation
Доп.точки доступа:
Vasil'eva, I. G.; Dovlitova, L. S.; Zajkovskij, V. I.; Malakhov, V. V.; Edel'man, I. S.; Эдельман, Ирина Самсоновна; Stepanov, A. S.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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4.
Luminescence of yttrium
aluminum
borate single crystals doped with manganese / A. S. Aleksandrovsky [et al.]> // Phys. Solid State. - 2007. -
Vol. 49
,
Is. 9
. - P. 1695-1699,
DOI
10.1134/S1063783407090156. - Cited References: 10 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Аннотация:
The optical absorption and luminescence spectra of single crystals of yttrium
aluminum
borate YAl3(BO3)(4) doped with manganese ions are measured. It is established that the optical absorption spectra of yttrium
aluminum
borate single crystals doped with manganese ions are determined primarily by the contribution from the Mn4+ ions. The luminescence spectra of the YAl3(BO3)(4) single crystals doped with manganese exhibit narrow lines attributed to the Mn4+ ions and an extended multiband structure which is associated primarily with the contribution from the Mn2+ ions.
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Публикация на русском языке
Аплеснин, Сергей Степанович. Орбитальное упорядочение в магнетите выше температуры Вервея, индуцируемое давлением [Текст] / С. С. Аплеснин, Г. И. Баринов // Физика твердого тела. - 2007. - Т. 49 Вып. 10. - С. 1858-1861
Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Krylov, A. S.; Крылов, Александр Сергеевич; Temerov, V. L.; Темеров, Владислав Леонидович
}
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5.
Zeeman effect and
stark splitting of the electronic states of the rare-earth ion in the paramagnetic terbium garnets Tb3Ga5O12 and Tb3Al5O12 / U. V. Valiev [et al.]> // Phys. Solid State. - 2007. -
Vol. 49
,
Is. 1
. - P. 91-98,
DOI
10.1134/S1063783407010167. - Cited References: 14 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
YTTRIUM-
ALUMINUM
-GARNET
SELECTIVE POLARIZED SPECTROSCOPY
CRYSTAL-FIELD ANALYSIS
GALLIUM GARNET
Аннотация:
The Zeeman effect in the F-7(6) - D-5(4) absorption band of the Tb3+ ion in the paramagnetic garnets Tb3Ga5O12 and Tb3Al5O12 was Studied. The field dependences of the Zeeman splitting of some absorption lines arc found to exhibit unusual behavior: as the magnetic field increases, the hand splitting decreases rather than increases. Symmetry analysis relates these lines to 4f - 4f electron transitions of the doublet-quasi-doublet or quasi-doublet-doublet type, for which the field dependences of the splitting differ radically from the well-known field dependences of the Zeeman splitting for quasi-doublet-quasi-doublet or quasi-doublet-singlet transitions in a longitudinal magnetic field.
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Публикация на русском языке
Эффект Зеемана и особенности штарковского расщепления электронных состояний редкоземельного иона в тербиевых парамагнитных гранатах Tb3Ga5O12 и Tb3Al5O12 [Текст] / У. В. Валиев, J. B. Gruber, D. Sardar [et al.] // Физ. тверд. тела. - Санкт-Петербург : Наука, 2007. - Т. 49 Вып. 1. - С. 87-94
Держатели документа:
Natl Univ Uzbekistan, Tashkent 700174, Uzbekistan
Univ Texas, San Antonio, TX 78249 USA
ARL, Adelphi Lab Ctr, Adelphi, MD 20783 USA
Natl Acad Sci Ukraine, Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
National University of Uzbekistan, Tashkent 700174, Uzbekistan
University of Texas at San Antonio, San Antonio, TX 78249-0697, United States
ARL, Adelphi Laboratory Center, Adelphi, MD 20783-1197, United States
Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, pr. Lenina 47, Kharkov, 61103, Ukraine
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Valiev, U. V.; Gruber, J. B.; Sardar, D. K.; Zandi, B.; Kachur, I. S.; Mukhammadiev, A. K.; Piryatinskaya, V. G.; Sokolov, V. Y.; Edelman, I. S.; Эдельман, Ирина Самсоновна
}
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6.
Electron paramagnetic resonance
of Mn2+ ions in single crystals of yttrium
aluminum
borate YAl3(BO3)4 / A. M. Vorotynov [et al.]> // Phys. Solid State. - 2007. -
Vol. 49
,
Is. 3
. - P. 463-466,
DOI
10.1134/S1063783407030122. - Cited References: 11 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
HUNTITE STRUCTURE
GROWTH
LASER
Аннотация:
Single crystals of yttrium
aluminum
borate YAl3 (BO3)(4) doped with manganese ions are studied using electron paramagnetic resonance spectroscopy. It is shown that manganese ions introduced at low concentrations into the sample predominantly occupy yttrium ion sites in the crystal structure. The shape of the electron paramagnetic resonance spectrum unambiguously indicates that the valence of manganese ions in this case is equal to 2+. The parameters of the spin Hamiltonian of Mn2+, ions in the YAl3(BO3)(4) matrix are determined at room temperature. The magnitude and sign of the fine structure parameter D allow the conclusion that the YAl3(BO3)(4) single crystals doped with manganese ions have a strong crystal field at the yttrium ion sites and L easy-axis anisotropy.
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Держатели документа:
Russian Acad Sci, Siberian Div, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Institute of Physics, Polish Academy of Sciences, al. Lotnikow 32/46, Warsaw, 02-668, Poland
Доп.точки доступа:
Vorotynov, A. M.; Воротынов, Александр Михайлович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Shiyan, Ya. G.; Шиян, Ярослав Германович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. E.; Bovina, A. F.; Бовина, Ася Федоровна; Aleshkevych, P.
}
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7.
Polarized absorption spectra
and spectroscopic parameters of Tm3+ in the TmAl3(BO3)(4) single crystal / A. V. Malakhovskii [et al.]> // Phys. Solid State. - 2008. -
Vol. 50
,
Is. 7
. - P. 1287-1293,
DOI
10.1134/S1063783408070159. - Cited References: 36 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
RARE-EARTH IONS
ELECTRONIC ENERGY LEVELS
DIODE-PUMPED LASER
OPTICAL-ABSORPTION
ALUMINUM
GARNET
MU-M
INTENSITIES
FLUORESCENCE
GLASSES
OXIDE
Аннотация:
High-optical-quality single crystals of the TmAl3(BO3)(4) compound were synthesized from a solution in the melt. The absorption spectra in the sigma and pi polarizations for the H-3(6) - F-3(4), H-3(6) - H-3(5), H-3(6) - H-3(4), H-3(6) - F-3(3), H-3(6) - F-3(2), H-3(6) - (1)G(4), and H-3(6) - D-1(2) transitions in the Tm3+ ion were recorded at room temperature. The transition intensities were analyzed in the framework of the Judd-Ofelt theory generalized to the case of anisotropic crystals, and the following parameters of the theory were obtained: Omega(2) = 6.14 x 10(-20) cm(2), Omega(4) = 3.09 x 10(-20) cm(2), and Omega(6) = 2.04 x 10(-20) cm(2). The lifetimes and the branching ratios were determined for all possible transitions.
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Держатели документа:
[Malakhovskii, A. V.
Sokolov, A. E.
Temerov, V. L.
Bezmaternykh, L. N.
Sukhachev, A. L.
Seredkin, V. A.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Gnatchenko, S. L.
Kachur, I. S.
Piryatinskaya, V. G.] Natl Acad Sci Ukraine, Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, pr. Lenina 47, Kharkov 61103, Ukraine
Доп.точки доступа:
Malakhovskii, A. V.; Малаховский, Александр Валентинович; Sokolov, A. E.; Соколов, Алексей Эдуардович; Temerov, V. L.; Темеров, Владислав Леонидович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Sukhachev, A. L.; Сухачев, Александр Леонидович; Seredkin, V. A.; Середкин, Виталий Александрович; Gnatchenko, S. L.; Kachur, I. S.; Piryatinskaya, V. G.
}
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8.
Unusual Valence States
of Manganese Ions in Gadolinium Gallium
Aluminum
Borate Single Crystals [Text] / A. S. Aleksandrovsky, L. N. Bezmaternykh [et al.]> // Известия высших учебных заведений. Физика. - 2008. -
Т. 51
,
№ 10/2
. - P115-119
Доп.точки доступа:
Aleksandrovsky, A.S.; Bezmaternykh, L.N.; Bovina, A.F.; Gudim, I.A.; Kharlamova, S.A.; Krylov, A.S.; Melnikova, S.V.; Temerov, V.Ye.
}
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9.
State of iron
in nanoparticles prepared by impregnation of silica gel and
aluminum
oxide with FeSO4 solutions / G. A. Bukhtiyarova [et al.]> // Phys. Solid State. - 2010. -
Vol. 52
,
Is. 4
. - P. 826-837,
DOI
10.1134/S1063783410040268. - Cited References: 27. - This study was supported by the Presidium of the Russian Academy of Sciences within the framework of the Program no. 27 "Principles of Basic Research of Nanotechnologies and Nanomaterials," Project no. 46 "Magnetically Ordered Nanoparticles in Catalytic Systems: Synthesis, Evolution, and Physicochemical Properties." . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
THERMAL-DECOMPOSITION
BETA-FEOOH
MOSSBAUER
FERRIHYDRITE
EPSILON-FE2O3
FE-2(SO4)(3)
SULFATE
FE-57
Аннотация:
The state of iron in nanoparticles prepared by impregnating silica gel and
aluminum
oxide with iron(II) sulfate solutions has been investigated using Mossbauer spectroscopy. It has been revealed that the state of iron depends on the nature of the support. Iron(III) hydroxysulfate and iron(III) oxysulfate nanoparticles are formed on the surface of silica gel, and iron oxide nanoparticles are formed on the surface of
aluminum
oxide. An increase in the concentration of iron ions or in the size of iron-containing particles leads to hydration of the nanoparticle surface. The calcination of the samples results in the formation of E -Fe2O3 oxide in a strongly disordered or amorphous state in iron-containing particles on the surface of silica gel.
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Держатели документа:
[Bukhtiyarova, G. A.
Mart'yanov, O. N.
Yakushkin, S. S.
Shuvaeva, M. A.] Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[Bayukov, O. A.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 5, Novosibirsk 630090, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Bukhtiyarova, G. A.; Mart'yanov, O. N.; Yakushkin, S. S.; Shuvaeva, M. A.; Bayukov, O. A.; Баюков, Олег Артемьевич
}
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10.
Quality of the
rare earth
aluminum
borate crystals for laser applications, probed by high-resolution spectroscopy of the Yb3+ ion / K. N. Boldyrev [et al.]> // Opt. Mater. - 2012. -
Vol. 34
,
Is. 11
. - P. 1885-1889,
DOI
10.1016/j.optmat.2012.05.021. - Cited References: 20. - This work was supported by the Russian Academy of Sciences under the Programs for Basic Research, the Russian Foundation for Basic research under Grants No 10-02-01071-a and No 09-02-00171-a, and by the Ministry of Education and Science under Grant HIII-4828.2012.2. . - ISSN 0925-3467
РУБ
Materials Science, Multidisciplinary + Optics
Рубрики:
GROWTH
Y1-XYBXAL3(BO3)4
LUMINESCENCE
FREQUENCY
CENTERS
Кл.слова (ненормированные):
Ytterbium
--
Aluminum
borates
--
Impurities
--
High-resolution spectroscopy
--
UV edge
Аннотация:
A comparative study was performed of the low-temperature high-resolution absorption spectra of the Yb3+ probe in R1−xYbxAl3(BO3)4 (R = Y, Tm, Lu) crystals grown by flux technique independently in four different laboratories using different solvents. We show that the incorporation of solvent components into the crystal in the course of crystallization gives rise to spectral satellites of the Yb3+ 0(2F7/2) → 0′(2F5/2) absorption lines and assign particular satellites to the Yb3+ centers near the bismuth and molybdenum impurities (which decrease the transparency of YAB in the UV spectral range). We suggest this spectroscopic method for a rapid analysis of the quality of UV laser crystals and for improvement of growth technologies.
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Держатели документа:
[Boldyrev, K. N.
Popova, M. N.] RAS, Inst Spect, Troitsk 142190, Moscow Region, Russia
[Bettinelli, M.] Univ Verona, Dept Biotechnol, I-37134 Verona, Italy
[Bettinelli, M.] UdR Verona, INSTM, I-37134 Verona, Italy
[Temerov, V. L.
Gudim, I. A.
Bezmaternykh, L. N.] RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Loiseau, P.
Aka, G.] ENSCP, CNRS, LCMCP, UMR 7574, F-75005 Paris, France
[Leonyuk, N. I.] Moscow MV Lomonosov State Univ, Fac Geol, Moscow 119899, Russia
Доп.точки доступа:
Boldyrev, K. N.; Popova, M. N.; Bettinelli, M.; Temerov, V. L.; Темеров, Владислав Леонидович; Gudim, Irina A.; Гудим, Ирина Анатольевна; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Loiseau, P.; Aka, G.; Leonyuk, N. I.
}
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11.
Features of the
structure, microstructure, and magnetic properties of manganese-
aluminum
spinels obtained in various thermal treatment conditions / D. A. Balaev [et al.]> // Phys. Solid State. - 2013. -
Vol. 55
,
Is. 7
. - P. 1401-1406,
DOI
10.1134/S1063783413070056. - Cited References: 18. - This study was supported by the Russian Foundation for Basic Research (project no. 12-03-90839-mol_rf_nr) and the Ministry of Education and Science of the Russian Federation (agreement no. 8429). . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
A-SITE SPINELS
CATALYSTS
OXIDE
MN3O4
Аннотация:
The structural, microstructural, and magnetic properties of
aluminum
-manganese oxide in the ratio Mn: Al = 1: 1 in the well-crystallized and nanoheterogeneous states have been investigated. This oxide is obtained under various thermal treatment conditions and at different partial pressures of oxygen. The composition and cation distribution of the manganese and
aluminum
ions in spinel sites are determined. It is shown that the studied compound is a ferrimagnet with the Curie point T (C) a parts per thousand 26 K.
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Публикация на русском языке
Особенности структуры, микроструктуры и магнитных свойств марганец-алюминиевых шпинелей, полученных при различных условиях термообработки // Физика твердого тела. - 2013. - Т. 55, Вып. 7. - С. 1304-1309
Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
Novosibirsk State Univ, Novosibirsk 630090, Russia
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Bulavchenko, O. A.; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Tsybulya, S. V.; Cherepanova, S. V.; Gerasimov, E. Y.; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович
}
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12.
Особенности структуры, микроструктуры
и магнитных свойств марганец-алюминиевых шпинелей, полученных при различных условиях термообработки / Д. А. Балаев [и др.]> // Физ. тверд. тела. - 2013. -
Т. 55
,
Вып. 7
. - С. 1304-1309
Аннотация:
Исследованы структурные, микроструктурные и магнитные характеристики алюмомарганцевого оксида в соотношении Mn : Al = 1: 1 в хорошо окристаллизованном и наногетерогенном состояниях, получаемого при различных условиях температурной обработки и разном парциальном давлении кислорода. Определены состав и катионное распределение ионов марганца и алюминия в позициях шпинели. Показано, что исследованное соединение является ферримагнетиком с точкой Кюри TC~ 26 K. Работа выполнена при частичной поддержке гранта РФФИ N 12-03-90839-мол\_рф\_нр, программы Министерства образования и науки РФ (соглашение N 8429).
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Features of the structure, microstructure, and magnetic properties of manganese-
aluminum
spinels obtained in various thermal treatment conditions. - [Б. м. : б. и.]
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН
Доп.точки доступа:
Балаев, Дмитрий Александрович; Balaev, D. A.; Булавченко, О. А.; Дубровский, Андрей Александрович; Dubrovskii, A. A.; Цыбуля, С. В.; Черепанова, С. В.; Герасимов, Е. Ю.; Шайхутдинов, Кирилл Александрович; Shaikhutdinov K. A.
}
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13.
Magnetic and magnetoelectric
properties of terbium
aluminum
borate / A. M. Kadomtseva [et al.]> // Bull. Russ. Acad. Sci. Phys. - 2014. -
Vol. 78
,
Is. 2
. - P. 97-99,
DOI
10.3103/S1062873814020142. - Cited References: 9. - This work was supported by the Russian Foundation for Basic Research, projects nos. 13-02-01093 and 12-02-01261. . - ISSN 1062-8738. - ISSN 1934-9432
Кл.слова (ненормированные):
Aluminum
--
Terbium
--
Aluminum
borate
--
Magnetoelectric properties
--
Rare earth ions
--
Temperature dependence
--
Terbium compounds
Аннотация:
The magnetic and magnetoelectric properties of terbium
aluminum
borate are studied. It is established that temperature dependences of the magnetoelectric effects of terbium
aluminum
borate are analogous to those of terbium ferroborate, despite the difference in effective magnetic fields acting on rare-earth ions in these compounds. This confirms the general assumption on the decisive role of the rare-earth element in the magnetoelectric properties of borates. © 2014 Allerton Press, Inc.
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Магнитные и магнитоэлектрические свойства алюмобората тербия [Текст] / А. М. Кадомцева [и др.] // Изв. РАН. Сер. физич. - 2014. - Т. 78 № 2. - С. 165-167
Держатели документа:
Faculty of Physics, Moscow State University, Moscow 119992, Russian Federation
Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow 119991, Russian Federation
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, 660036, Russian Federation
Доп.точки доступа:
Kadomtseva, A. M.; Кадомцева А.М.; Popov, Yu. F.; Попов Ю. Ф.; Vorob'ev, G. P.; Воробьев Г. П.; Pyatakov, A. P.; Пятаков А.П.; Zvezdin, A. K.; Звездин А. К.; Mukhin, A. A.; Мухин А. А.; Ivanov, V. Yu.; Иванов В. Ю.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Temerov, V. L.; Темеров, Владислав Леонидович
}
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14.
High-temperature heat capacity
of YbAl3(BO3)4 / V. M. Denisov [et al.]> // Russ. J. Phys. Chem. A. - 2014. -
Vol. 88
,
Is. 8
. - P. 1436-1437,
DOI
10.1134/S0036024414080093. - Cited References: 14 . - ISSN 0036-0244. - ISSN 1531-863X
РУБ
Chemistry, Physical
Рубрики:
SINGLE-CRYSTALS
OPTICAL-PROPERTIES
LASER CRYSTAL
YAl3(BO3)4
GROWTH
Кл.слова (ненормированные):
ytterbium
aluminum
borate
--
high-temperature heat capacity
--
thermodynamic properties
Аннотация:
The isobaric heat capacity Cp(T) of YbAl3(BO3)4 grown by spontaneous crystallization from solution (100 − n) wt % (Bi2Mo3O12 + 2.5% B2O3 + 0.75% Li2MoO4) + n wt % YbAl3(BO3)4 is studied experimentally in the region of 344–1016 K. It is established that there are no extrema on the Cp(T) dependence, and the obtained data can be described using the Berman-Brown polynomial. The temperature variations of enthalpy and entropy are calculated from the Cp(T) dependence.
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Высокотемпературная теплоемкость YbAl3(BO3)4 [Текст] / В. М. Денисов [и др.] // Журн. физ. химии : Наука, 2014. - Т. 88 № 7-8. - С. 1264-1265
Держатели документа:
Siberian Fed Univ, Inst Nonferrous Met & Mat Sci, Krasnoyarsk 660025, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Denisov, V. M.; Denisova, L. T.; Gudim, I. A.; Гудим, Ирина Анатольевна; Temerov, V. L.; Темеров, Владислав Леонидович; Patrin, G. S.; Патрин, Геннадий Семёнович; Volkov, N. V.; Волков, Никита Валентинович; Chumilina, L. G.
}
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15.
High-temperature magnetoelectricity of
terbium
aluminum
borate: The role of excited states of the rare-earth ion / A. M. Kadomtseva [et al.]> // Phys. Rev. B. - 2014. -
Vol. 89
,
Is. 1
. - Ст. 014418,
DOI
10.1103/PhysRevB.89.014418. - Cited References: 25. - We thank Dr. Daniel Sando for useful comments and remarks. This work is supported by the Russian Foundation for Basic Research (Projects No. 13-02-01093, No. 13-02-12443, No. 13-02-01093, No. 12-02-01261, and No. 13-02-12442) and a grant from the Russian Federation President on support of sciences schools no. 4828.2012.2, The Ministry of Education and Science of Russian Federation, Project No. 8365. . - ISSN 1098-0121. - ISSN 1550-235X
РУБ
Physics, Condensed Matter
Рубрики:
GROUND-STATE
PRFE3(BO3)4
MULTIFERROICS
Аннотация:
Recently discovered magnetoelectricity in the rare-earth
aluminum
borates RAl3(BO3)4 has attracted attention due to the large values of magnetoinduced electric polarization. We have observed for the first time the magnetoelectric polarization in TbAl3(BO3)4 exhibiting anomalous temperature dependence: an electric polarization induced by in-plane magnetic field (P||a,H⊥c axis) which is small at low temperatures (4K), remarkably increases by almost an order of magnitude at high temperatures (150–300K). The observed nonmonotonic temperature behavior of the field-induced polarization, including a change of sign at ∼65–70K, is attributed to the competition of the ground and excited crystal-field states of Tb3+ ions. Quantum theory analysis, involving the combination of analytical and numerical methods, has enabled us to quantitatively describe the observed magnetic and magnetoelectric properties of TbAl3(BO3)4.
Недавно обнаруженное магнетоэлектричество в редкоземельных алюмоборатах RAl3 (BO3) 4 привлекло к себе внимание из-за больших значений магнитоиндуцированной электрической поляризации. Мы наблюдали в первый раз магнитоэлектрическую поляризацию в TbAl3 (BO3) 4, показывающую аномальную температурную зависимость: электрическая поляризация индуцируется в плоскости магнитного поля (Р | |, Н ⊥ оси с), и является небольшой при низких температурах (4K), Значительно увеличивается, почти на порядок величины, при высоких температурах (150-300 К). Наблюдаемая с изменением температуры немонотонность поляризации от поля, в том числе изменению знака на ~ 65-70 К, может быть отнесена к конкуренции между основном и возбужденном кристаллическим полем состояниями ионов ТЬ3 +. Теория квантового анализа, предполагающей сочетание аналитических и численных методов, позволила нам количественно описать наблюдаемые магнитные и магнитоэлектрические свойства TbAl3 (BO3) 4.
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Держатели документа:
Moscow MV Lomonosov State Univ, MSU, Dept Phys, Moscow 119992, Russia
Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow, Russia
State Univ, Moscow Inst Phys & Technol, Moscow, Russia
Natl Res Univ Elect Technol MIET, Zelenograd, Russia
RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Kadomtseva, A. M.; Popov, Y. F.; Vorob'ev, G. P.; Kostyuchenko, N. V.; Popov, A. I.; Mukhin, A. A.; Ivanov, V. Y.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Temerov, V. L.; Темеров, Владислав Леонидович; Pyatakov, A. P.; Zvezdin, A. K.; Russian Foundation for Basic Research [13-02-12443, 13-02-01093, 12-02-01261, 13-02-12442]; Russian Federation President on support of sciences schools [4828.2012.2]; Ministry of Education and Science of Russian Federation [8365]
}
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16.
Magnetoelectric and magnetic
properties of
aluminum
borates Ho1 − x Nd x Al3(BO3)4 / N. V. Volkov [et al.]> // JETP Letters. - 2015. -
Vol. 101
,
Is. 5
. - P. 318-324,
DOI
10.1134/S002136401505015X. - Cited References:26. - This work was supported by the Russian Foundation for Basic Research (project no. 13-02-12442 ofi_m2). . - ISSN 0021. - ISSN 1090-6487. -
РУБ
Physics, Multidisciplinary
Рубрики:
HoAl3(BO3)4
Аннотация:
The magnetoelectric and magnetic properties of substituted
aluminum
borates Ho1 − x Nd x Al3(BO3)4 have been studied experimentally and theoretically. A large magnetoelectric effect exceeding all known values in isostructural compounds except for HoAl3(BO3)4 has been found. The magnetoelectric polarization of Ho0.8Nd0.2Al3(BO3)4 and Ho0.5Nd0.5Al3(BO3)4 at T = 5 K in a field of 9 T is ΔP ab (B b ) ≈ −2630 and 1380 μC/m2, respectively. A theoretical consideration based on the crystal field model for the rare-earth ion made it possible to interpret all measured properties within the unified approach. The crystal field parameters have been determined. The temperature (3–300 K) and field (up to 9 T) dependences of the magnetization and the temperature (5–100 K) and field (up to 9 T) dependences of the polarization have been described. The studied properties of Ho1 − x Nd x Al3(BO3)4 have been compared with those of HoAl3(BO3)4 demonstrating record-high polarization values.
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Магнитоэлектрические и магнитные свойства алюмоборатов Ho1-xNdxAl3(BO3)4 [Текст] / Н. В. Волков [и др.] // Письма в Журн. эксперим. и теор. физ. : Наука, 2015. - Т. 101 Вып. 5. - С. 347-354
Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Bryansk State Tech Univ, Bryansk 241035, Russia
Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Gudim, I. A.; Гудим, Ирина Анатольевна; Demidov, A. A.; Eremin, E. V.; Еремин, Евгений Владимирович; Russian Foundation for Basic Research [13-02-12442 ofi_m2]
}
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17.
Low-temperature magnetic phase
transition in
aluminum
borate TbAl3(BO3)4 / V. A. Bedarev [et al.]> // Low Temp. Phys. - 2015. -
Vol. 41
,
Is. 7
. - P. 534-536,
DOI
10.1063/1.4927082. - Cited References: 10 . - ISSN 1063. - ISSN 1090-6517. -
РУБ
Physics, Applied
Аннотация:
Magnetic ordering temperature, initial splitting and effective g-factor of the ground quasi-doublet of a Tb3+ ion were determined by investigating the heat capacity and ESR in a TbAl3(BO3)4 single crystal. The parameters of the magnetic interaction were calculated.
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Низкотемпературный магнитный фазовый переход в алюмоборате TbAl3(BO3)4 [Текст] / В. А. Бедарев [и др.] // Физ. низких температур : Физико-технический институт низких температур им. Б. И. Веркина НАН Украины, 2015. - Т. 41 Вып. 7. - С. 687-690
Держатели документа:
B. Verkin Institute for Low Temperature Physics and Engineering, The National Academy of Sciences of Ukraine, 47 Lenin Ave., Kharkov, Ukraine
Institute of Physics, Polish Academy of Sciences, Warsaw, Poland
L.V. Kirenskii Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Bedarev, V. A.; Paschenko, M. I.; Kobets, M. I.; Dergachev, K. G.; Khatsko, E. N.; Gnatchenko, S. L.; Zvyagin, A. A.; Zajarniuk, T.; Szewczyk, A.; Gutowska, M. U.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович
}
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18.
New Y2BaAl4SiO12:Ce3+ yellow
microcrystal-glass powder phosphor with high thermal emission stability / H. Ji [et al.]> // J. Mater. Chem. C. - 2016. -
Vol. 4
,
Is. 41
. - P. 9872-9878,
DOI
10.1039/c6tc03422e. - Cited References: 32. - This study was partially supported by the National Natural Science Foundation of China (Grant No. 51272259, 51572232 and 51561135015). R. X. was also partially supported by the JSPS KAKENHI (No. 15K06448). M. M. and Z. X. were also partially supported by the Russian Foundation for Basic Research (No. 15-52-53080). H. J. thanks the China Scholarship Council (CSC) for scholarship support. . - ISSN 2050-7534
Перевод заглавия:
Новый желтый стекло-кристаллический порошковый люминофор Y2BaAl4SiO12:Ce3+ с высокой термической стабильностью излучения
Кл.слова (ненормированные):
Aluminum
--
Crystal structure
--
Crystallization
--
Glass
--
Laser applications
--
Light emission
--
Microcrystals
--
Phosphors
--
Precipitation (chemical)
--
Quenching
--
Silicon
--
Silicon oxides
--
Single crystals
--
Structural design
--
Crystalline nature
--
Crystallization behavior
--
Emission intensity
--
Microcrystal glass
--
Morphology structures
--
Phase formation behavior
--
Structure analysis
--
Temperature increase
--
Cerium
Аннотация:
To decrease the rare earth element usage and synthesis cost of Y3Al5O12:Ce phosphor, the Y2BaAl4SiO12 compound is developed as a new host for Ce3+ employing the solid solution design strategy. The design uses polyhedron substitution where YO8/AlO4 are partially replaced by BaO8/SiO4, respectively. Structure analysis of Y2BaAl4SiO12 proves that it successfully preserves the garnet structure, crystallizing in the cubic Iad space group with a = b = c = 12.00680(5) Å. Barium (Ba) atoms occupy the Y site and silicon (Si) atoms occupy the Al site in the AlO4 tetrahedrons. An expanded study on Y2MAl4SiO12 (M = Ba, Ca, Mg, Sr) series shows a cation size (of M)-dependent phase formation behavior. The lattice stability can be related with the M type in the M–Si pair and substitution level of M–Si for Y–Al. Doping Ce3+ into Y2BaAl4SiO12 yields bright yellow photoluminescence peaking at around 537 nm upon excitation by 460 nm light. The emission intensity is quite stable against thermal quenching whereas the peak wavelength shows a slight red-shift as the ambient temperature increases. The crystallization behavior of Y2BaAl4SiO12 is suggested as melt-assisted precipitation/growth based on cathodoluminescence analysis. The highly crystalline nature of the microcrystals explains the stable emission against thermal quenching. This study may provide an inspiring insight into preparing phosphor with new morphology-structure of “microcrystal-glass powder phosphor”, which distinguishes it from conventional “ceramic powder phosphor” or “single-crystal phosphor”.
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Держатели документа:
National Laboratory of Mineral Materials, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, China
Sialon Group, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Japan
College of Optical and Electronic Technology, China Jiliang University, Hangzhou, China
Semiconductor Device Materials Group, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Japan
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
Beijing Municipal Key Laboratory of New Energy Materials and Technologies, School of Materials Sciences and Engineering, University of Science and Technology Beijing, Beijing, China
College of Materials, Xiamen University, Xiamen, China
Доп.точки доступа:
Ji, H.; Wang, L.; Cho, Y.; Hirosaki, N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Xia, Z.; Huang, Z.; Xie, R.-J.
}
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19.
Mechanochemical synthesis of
intermetallic compounds in the gallium-iridium system / E. A. Pavlov [et al.]> // Russ. Metall. - 2018. -
Is. 8
. - P. 728-732,
DOI
10.1134/S0036029518080141. - Cited References: 18. - This work was performed in terms of project no. 1622/17 of the Krasnoyarsk Plant of Nonferrous Metals and the Institute of Solid State Chemistry and Mechanochemistry. . - ISSN 0036-0295. - ISSN 1555-6255
РУБ
Metallurgy & Metallurgical Engineering
Рубрики:
ALUMINUM
Кл.слова (ненормированные):
mechanochemical synthesis
--
intermetallic compounds
--
gallium
--
iridium
--
complex compounds of iridium
Аннотация:
The interaction between a solid inert metal (Ir) and an active liquid metal (Ga) during mechanical activation in a high-energy planetary mill is studied by X-ray diffraction and scanning electron microscopy with EDS-apparatus for high-resolution energy dispersive X-ray microanalysis. The influence of mechanical activation conditions on the formation of GaxIry intermetallic compounds and GaxIry/Ir composites and on their solubility in various acids is investigated. Being a surfactant for iridium, gallium propagates along the grain boundaries of polycrystalline iridium particles during mechanical activaiton and, hence, sharply decreases their strength. As a result of strong mechanical deformation during activation, the contact surface area between the solid and liquid metals, where the intermetallic compounds form intensely, increases sharply. As a result of treatment of the products of mechanical activaiton by a mixture of concentrated hydrochloric and nitric acids, iridium (>30%) from passes into an acid solution and forms HxIrCly complex compounds, which can interact with bases to form soluble complex salts.
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Механохимический синтез интерметаллических соединений в системе галлий-иридий [Текст] / Е. А. Павлов [и др.] // Расплавы. - 2018. - № 3. - С. 291-298
Держатели документа:
OAO Krasnoyarsk Plant Nonferrous Met, Krasnoyarsk 660027, Russia.
Russian Acad Sci, Siberian Branch, Fed Res Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Siberian Branch, Inst Solid State Chem & Mechanochem, Novosibirsk 630128, Russia.
Russian Acad Sci, Ural Branch, Inst Met, Ekaterinburg 620016, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Доп.точки доступа:
Pavlov, E. A.; Chuprov, I. V.; Nikulin, M. V.; Mal'tsev, E. V.; Pshenichnaya, A. A.; Пшеничная, Анастасия Александровна; Grigoreva, T. F.; Pastukhov, E. A.; Skuratov, A. P.; Lyakhov, N. Z.
}
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20.
Electron paramagnetic resonance
of Cr3+ ions in single crystals of yttrium
aluminum
borate YAl3(BO3)4 / A. Vorotynov [et al.]> // Физ. тверд. тела. - 2018. -
Т. 60
,
Вып. 9
. - С. 1793,
DOI
10.21883/FTT.2018.09.46399.075. - Библиогр.: 13. - Полный текст статьи опубликован в журнале "Physics of the Solid States" (Т. 60. Вып. 9). . - ISSN 0367-3294
Аннотация:
Single crystal of yttrium
aluminum
borate YAl3(BO3)4 doped with chromium ions (1 at %) was studied using electron paramagnetic resonance spectroscopy. It is shown that chromium ions introduced into the sample occupy yttrium ion sites in the crystal structure. The parameters of the spin Hamiltonian of Cr3+ ions in the YАl3(ВО3)4 matrix are determined at different temperatures. The sign of the fine structure parameter D allows the conclusion that the chromium ions in YА13(ВО3)4 single crystals have an easy-plane anisotropy.
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Полная версия статьи
Electron paramagnetic resonance of Cr3+ ions in single crystals of yttrium
aluminum
borate YAl3(BO3)4 [Текст] / A. Vorotynov [et al.] // Phys. Solid State. - 2018. - Vol. 60 Is. 9.- P.1839-1843
Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Vorotynov, A. M.; Воротынов, Александр Михайлович; Shiyan, Ya. G.; Шиян, Ярослав Германович; Gudim, I. A.; Гудим, Ирина Анатольевна; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Vorotynova, O.
}
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