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1.
Hydrodynamic dispersion of
calcium aluminosilicate from technogenic and nonmetallic material / L. V. Kashkina [et al.]> // J. Sib. Fed. Univ. Eng. Technol. - 2014. -
Vol. 7
,
Is. 1
. - P. 3-12 ; Журн. СФУ. Сер. "Техника и технологии"
Перевод заглавия:
Гидродинамическое диспергирование кальций-алюмосиликатных материалов из техногенного и нерудного сырья
Кл.слова (ненормированные):
hydrodynamic dispersion
--
cavitation
--
crystal
ceramic
foam
--
porous glass material
--
гидродинамическое диспергирование
--
кавитация
--
зола
--
пеноматериал
--
пористая стеклокерамика
Аннотация:
Physicochemical properties of two calcium aluminosilicate materials after reducing in the hydrodynamic rotary generator in supercavitation mode were studied. The samples are the crystal
ceramic
foam based on Kansko-Achinsk lignite-ash and the porous glass material obtained from low-manganese nonmetallic feed. X-ray phase analysis, EPR-method, NPR-method (the Mossbauer Effect) and optical microscopy were used. It was found that the material is changing its stucrure in a hydrodynamic dispersion process caused by high-cavitation. The nature of the changes depends on its initial state.
Изучены физико-химические свойства двух кальций-алюмосиликатных материалов после измельчения в гидродинамическом генераторе роторного типа в режиме суперкавитации. Исследованы образцы – кристаллическая пенокерамика на основе зол бурых Канско-Ачинских углей и пористый стекломатериал, полученный из нерудного сырья с низким содержанием марганца. Для анализа были использованы методы РФА, ЭМР, ЯГР (эффект Мёссбауэра), оптическая микроскопия. Показано, что в процессе гидродинамического диспергирования за счет высокоэнергетического кавитационного воздействия в материалах происходят глубокие структурные изменения. Получено, что характер изменений зависит от исходного состояния исследуемого материала.
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Держатели документа:
Siberian Federal University, 79 Svobodny, Krasnoyarsk, 660041, Russia
L.V. Kirensky Institute of Physics SB RAS, 50/38 Akademgorodok, Krasnoyarsk, 660036, Russia
Доп.точки доступа:
Kashkina, L. V.; Stebeleva, O. P.; Emelyanova, T. Y.; Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Bayukov, O. A.; Баюков, Олег Артемьевич
}
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2.
Superconducting
ceramic
coating
obtained by plasma spraying / K. S. Aleksandrov [et al.]> // Zhurnal Tek. Fiz. - 1989. -
Vol. 59
,
Is. 8
. - P. 157-159. - Cited References: 3 . - ISSN 0044-4642
WOS
Публикация на русском языке
Сверхпроводящие керамические покрытия, полученные плазменным напылением [Текст] / К. С. Александров [и др.] // Журнал технической физики. - 1989. - Т. 59 Вып. 8. - С. 157-159
Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Zvegintsev, A. G.; Lepeshev, A. A.; Петров, Михаил Иванович; Petrov, M. I.; Khabarov, V. I.; Khrustalev, B. P.; Хрусталев, Борис Петрович
}
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3.
Piezoelectric properties of
glassceramic based on lithium tetraborate / A. M. Sysoev [et al.]> // Ferroelectrics. - 1996. -
Vol. 186
,
Is. 1
. - P. 277-280,
DOI
10.1080/00150199608218083. - Cited References: 4 . - ISSN 0015-0193
РУБ
Materials Science, Multidisciplinary + Physics, Condensed Matter
Кл.слова (ненормированные):
Ceramic
materials
--
Crystal growth
--
Dielectric properties
--
Electroacoustic transducers
--
Glass
--
Hydrophones
--
Lithium compounds
--
Single crystals
--
Acoustoelectric transducer
--
Glass
ceramic
--
Lithium tetraborate
--
Microcomposite materials
--
Piezoelectric materials
Аннотация:
The preparation and study of a glassceramic based on lithium tetraborate was carried out. It was shown that due to favourable piezoelectric properties this material has good prospects for use as acoustoelectric transducer in devices such as hydrophones.
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Доп.точки доступа:
Sysoev, A. M.; Сысоев, Анатолий Михайлович; Parshikov, S. A.; Zaitsev, A. I.; Зайцев, Александр Иванович; Zamkov, A. V.; Замков, Анатолий Васильевич; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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4.
Superconductivity near liquid
nitrogen temperature in the Sn-Ba-Sr-Y-Cu-O system / K. S. Aleksandrov [et al.]> // Physica C-Superconductivity and its Applications. - 1989. -
Vol. 161
,
Is. 4
. - P. 493-496,
DOI
10.1016/0921-4534(89)90087-7 . - ISSN 0921-4534
Кл.слова (ненормированные):
Ceramic
Materials
--
Tin Compounds
--
Bulk Superconductivity
--
High Temperature Superconductors
--
Oxide Superconductors
--
Tin Barium Strontium Yttrium Copper Oxide
--
Superconducting Materials
Аннотация:
A high-Tc phase was found in the Sn-Ba-Sr-Y-Cu-O system. DC susceptibility data of Sn2Ba2Sr0.5Y0.5Cu3Ox show a single transition to bulk superconductivity with an onset temperature of 86 K. В© 1989.
Scopus
Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Khrustalev, B. P.; Хрусталев, Борис Петрович; Krivomazov, S. N.; Петров, Михаил Иванович; Petrov, M. I.; Vasilyev, A. D.; Zwegintsev, S. A.
}
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5.
Peculiarities of the
resistive state of the (Y,Lu)1Ba2Cu3O7-δ superconducting ceramics / K. S. Aleksandrov [et al.]> // Physica C. - 1988. -
Vol. 156
,
Is. 2
. - P. 249-250 . - ISSN 0921-4534
Кл.слова (ненормированные):
Ceramic
Materials
--
Oxides
--
Current Voltage Characteristics
--
Yttrium Barium Copper Oxides
--
Superconducting Materials
Аннотация:
The resistive state of the high-Tc superconducting ceramics (Y, Lu)1Ba2Cu3O7-δ has been investigated, a hysteresis instability has been discovered in the current-voltage characteristics (CVC) under a current density j ≈ 1.7 kA cm-2. © 1988.
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WOS
Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Vasilyev, A. D.; Васильев, Александр Дмитриевич; Zwegintsev, S. A.; Звегинцев, Сергей Анатольевич; Петров, Михаил Иванович; Petrov, M. I.; Khrustalev, B. P.; Хрусталев, Борис Петрович
}
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6.
Improper ferroelectric phase
due to condensation of two order parameters in crystals of high-temperature superconductors / G. M. Chechin [et al.]> // Ferroelectrics. - 1992. -
Vol. 130
,
Is. 1
. - P. 155-162. - Cited References: 21 . - ISSN 0015-0193
Рубрики:
TRANSITIONS
FERROELASTICS
RB3CD2CL7
Кл.слова (ненормированные):
Ceramic
materials
--
Crystals
--
Ferroelectricity
--
Phase diagrams
--
Order parameters
--
Oxide superconductors
--
High temperature superconductors
Аннотация:
Using group-theoretical methods it is shown that improper ferroelectric phase may arise in high-temperature superconductors (HTSC) where high-symmetry phases have space groups D4h1 or D4h17. Their appearance is caused by condensation of order parameters (OP's) transforming two irreducible representations (IR's). The most typical phase diagrams are considered, as well as temperature dependence of OP's and the basic structural mechanism of the ferroelectricity arising in the HTSC.
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Держатели документа:
Rostov-on-Don Univ, Rostov, Russian Federation
Доп.точки доступа:
Chechin, G. M.; Sakhnenko, V. P.; Misyul, S. V.; Мисюль, Сергей Валентинович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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7.
Preparation, structure, and
up-conversion luminescence of Yb3+/Er3+ codoped SrIn2O4 phosphors / M. Guan [et al.]> // J. Am. Ceram. Soc. - 2015. -
Vol. 98
,
Is. 4
. - P. 1182-1187,
DOI
10.1111/jace.13415. - Cited References:26. - This present work was supported by the National Natural Science Foundations of China (grant no. 51202226), the Fundamental Research Funds for the Central Universities (grant nos. 292014125,2652013128, 2652013043), and the Research Fund for the Doctoral Program of Higher Education of China (grant no. 20130022110006). . - ISSN 0002. - ISSN 1551-2916
Перевод заглавия:
Синтез, структура и ап-конверсионная люминесценция SrIn2O4 допированного Yb3+/Er3+
РУБ
Materials Science, Ceramics
Рубрики:
CORE-SHELL NANOPARTICLES
DOPED CaIn2O4
GREEN
Er3+
EMISSION
GLASSES
Аннотация:
SrIn2O4, which shows lower phonon energy than CaIn2O4, is not only a good photocatalyst but also can be an excellent up-conversion (UC) host to exhibits UC luminescence. In this work, Yb3+ and/or Er3+ doped SrIn2O4 phosphors were synthesized, and their UC luminescence properties were studied and compared with those in the CaIn2O4 host. The structure of SrIn2O4: 0.01Er3+ and SrIn2O4: 0.1Yb3+/0.01Er3+ samples were refined by the Rietveld method and found to that SrIn2O4: 0.1Yb3+/0.01Er3+ showed increasing unit cell parameters and cell volume, indicating In3+ sites were substituted successfully by Yb3+ and/or Er3+ ions. From the UC luminescence spectra and diffuse reflection spectra, Er3+-doped SrIn2O4 showed very weak luminescence due to ground state absorption of Er3+; Yb3+/Er3+ codoped SrIn2O4 presented strong green (550 nm) and red (663 nm) UC emissions which were assigned to energy transfer from Yb3+ transition 2F7/2→2F5/2 to the Er3+ transition 4S3/2 → 4I15/2 and 4F9/2 → 4I15/2. Comparing with CaIn2O4, Yb3+/Er3+ codoped SrIn2O4 showed obvious advantages with higher UC luminescent intensity. The pumping powers study showed that UC emissions in Yb3+/Er3+ codoped SrIn2O4 were attributed to energy transfer of Yb3+→Er3+ with a two-photon process. The possible UC luminescent mechanism of Yb3+/Er3+-doped SrIn2O4 was discussed.
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Держатели документа:
China Univ Geosci, Sch Mat Sci & Technol, Beijing Key Lab Mat Utilizat Nonmetall Minerals &, Natl Lab Mineral Mat, Beijing 100083, Peoples R China
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia
Univ Auckland, Dept Chem & Mat Engn, Auckland 1142, New Zealand
Доп.точки доступа:
Guan, Ming; Zheng, Hong; Mei, Lefu; Molokeev, M. S.; Молокеев, Максим Сергеевич; Xie, Jing; Yang, Tao; Wu, Xiaowen; Huang, Saifang; Huang, Zhaohui
}
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8.
Synthesis, crystal structure,
and enhanced luminescence of garnet-type Ca3Ga2Ge3O12:Cr3+ by codoping Bi3+ / C. Y. Liu [et al.]> // J. Am. Ceram. Soc. - 2015. -
Vol. 98
,
Is. 6
. - P. 1870-1876,
DOI
10.1111/jace.13553. - Cited References:24. - This work was supported by the National Natural Science Foundations of China (grant nos. 51002146, 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 0002. - ISSN 1551-2916
Перевод заглавия:
Синтез, кристаллическая структура и улучшенная люминесценция граната Ca3Ga2Ge3O12:Cr3+ содопированного Bi3+
РУБ
Materials Science, Ceramics
Рубрики:
LIGHT-EMITTING-DIODES
INFRARED PERSISTENT LUMINESCENCE
ENERGY-TRANSFER
PHOSPHOR
RED
NANOPARTICLES
EFFICIENCY
Аннотация:
Garnet-type compound Ca3Ga2Ge3O12 and Cr3+-doped or Cr3+/Bi3+ codped Ca3Ga2Ge3O12 phosphors were prepared by a solid-state reaction. The crystal structure of Ca3Ga2Ge3O12 host was studied by X-ray diffraction (XRD) analysis and further determined by the Rietveld refinement. Near-infrared (NIR) photoluminescence (PL) and long-lasting phosphorescence (LLP) emission can be observed from the Cr3+-doped Ca3Ga2Ge3O12 sample, and the enhanced NIR PL emission intensity and LLP decay time can be realized in Cr3+/Bi3+ codped samples. The optimum concentration of Cr3+ in Ca3Ga2Ge3O12 phosphor was about 6 mol%, and optimum Bi3+ concentration induced the energy-transfer (ET) process between Bi3+ and Cr3+ ions was about 30 mol%. Under different excitation wavelength from 280 to 453 nm, all the samples exhibit a broadband emission peaking at 739 nm and the intensity of NIR emission increases owing to the ET behavior from Bi3+ to Cr3+ ions. The critical ET distance has been calculated by the concentration-quenching method. The thermally stable luminescence properties were also studied and the introduction of Bi3+ can also improve the thermal stability of the NIR emission.
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Держатели документа:
Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China.
China Univ Geosci, Sch Mat Sci & Technol, Beijing 100083, Peoples R China.
SB RAS, LV Kirensky Phys Inst, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Liu, Chengyin; Xia, Zhiguo; Molokeev, M. S.; Молокеев, Максим Сергеевич; Liu, Quanlin
}
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9.
Phase transformation in
Ca3(PO4)2:Eu2+ via the controlled quenching and increased Eu2+ content: Identification of new cyan-emitting α-Ca3(PO4)2:Eu2+ phosphor / H. Ji [et al.]> // J. Am. Ceram. Soc. - 2015. -
Vol. 98
,
Is. 10
. - P. 3280-3284,
DOI
10.1111/jace.13787. - Cited References: 23. - This work was partly supported by the National Natural Science Foundations of China (grant nos. 51272242, 51472222, 51511130035), the Research Fund for the Doctoral Program of Higher Education of China (grant no. 20130022110006), and the Russian Foundation for Basic Research (grant no. 15-52-53080 GFEN_a). VVA was partly supported by the Ministry of Education and Science of the Russian Federation. . - ISSN 0002-7820
Перевод заглавия:
Фазовый переход в Ca3(PO4)2:Eu2+ посредством контролируемой закалки и увеличения концентрации Eu2+: Идентификация нового голубого люминофора α-Ca3(PO4)2:Eu2+
РУБ
Materials Science, Ceramics
Рубрики:
NEUTRON POWDER DIFFRACTION
SOLID-SOLUTION PHOSPHORS
CRYSTAL-STRUCTURE
DIODES
PHOTOLUMINESCENCE
LUMINESCENCE
TRANSITION
ALPHA
Аннотация:
A case of phosphor is reported where the cooling rate parameter significantly influences the luminescence property. By quenching the sample after the higherature solid-state reaction at 1250°C, we successfully prepared the Eu2+-doped α form Ca3(PO4)2 (α-TCP:Eu2+) as a new kind of bright cyan-emitting phosphor. The unusual emission color variation (from cyan to blue) depends on the cooling rate after sintering and Eu2+ doping level as it was observed in the TCP-based phosphors. By the Rietveld analysis, it is revealed that the cyan- and blue-emitting phosphors are two different TCP forms crystallizing in the monoclinic (space group P21/a, α-TCP) and the rhombohedral structure (space group R3c, β-TCP), respectively. Upon 365 nm UV light excitation, α-TCP:Eu2+ exhibits an asymmetric broad-band cyan emission peaking at 480 nm, while β-TCP:Eu2+ displays a relatively narrow-band blue emission peaking at 416 nm. The Eu2+-doping in Ca3(PO4)2 shifts the upper temperature limit of the stable structural range of β form from 1125°C to ≥1250°C. Moreover, the crystal structures of α/β-TCP:Eu2+ were compared in the aspects of compactness and cation site sets. The emission thermal stability of α/β-TCP:Eu2+ was comparatively characterized and the difference was related to the specific host structural features. © 2015 The American
Ceramic
Society.
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Держатели документа:
School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences, Beijing, China
School of Materials Sciences and Engineering, University of Science and Technology Beijing, Beijing, 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
Доп.точки доступа:
Ji, H.; Huang, Z.; Xia, Zhiguo; Molokeev, M. S.; Молокеев, Максим Сергеевич; Chen, M.; Atuchin, V. V.; Fang, M.; Liu, Y.; Wu, Xiaowen
}
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10.
Microwave sol–gel synthesis
of CaGd2(MoO4)4:Er3+/Yb3+ phosphors and their upconversion photoluminescence properties / C. S. Lim [et al.]> // J. Am. Ceram. Soc. - 2015. -
Vol. 98
,
Is. 10
. - P. 3223-3230,
DOI
10.1111/jace.13739. - Cited References:69. - This study was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (2014-046024). VVA and ASA are partially supported by the Ministry of Education and Science of the Russian Federation. . - ISSN 0002. - ISSN 1551-2916
Перевод заглавия:
Микроволновый золь-гель синтез люминофоров CaGd2(MoO4)4:Er3+/Yb3+ и их люминесцентные свойства с апконверсией
РУБ
Materials Science, Ceramics
Рубрики:
RED-EMITTING PHOSPHORS
VIBRATIONAL PROPERTIES
LUMINESCENCE PROPERTIES
WHITE LEDS
SPECTROSCOPIC PROPERTIES
HYDROTHERMAL SYNTHESIS
CRYSTAL-STRUCTURE
ROOM-TEMPERATURE
ENERGY-TRANSFER
SR
Аннотация:
CaGd2(MoO4)4:Er3+/Yb3+ phosphors with the doping concentrations of Er3+ and Yb3+ (x = Er3+ + Yb3+, Er3+ = 0.05, 0.1, 0.2, and Yb3+ = 0.2, 0.45) have been successfully synthesized by the microwave sol–gel method, and the crystal structure refinement and upconversion photoluminescence properties have been investigated. The synthesized particles, being formed after heat-treatment at 900°C for 16 h, showed a well-crystallized morphology. Under the excitation at 980 nm, CaGd2(MoO4)4:Er3+/Yb3+ particles exhibited strong 525 and 550-nm emission bands in the green region and a weak 655-nm emission band in the red region. The Raman spectrum of undoped CaGd2(MoO4)4 revealed about 15 narrow lines. The strongest band observed at 903 cm−1 was assigned to the ν1 symmetric stretching vibration of MoO4 tetrahedrons. The spectra of the samples doped with Er and Yb obtained under 514.5 nm excitation were dominated by Er3+ luminescence preventing the recording Raman spectra of these samples. Concentration quenching of the erbium luminescence at 2H11/2→4I15/2 and 4S3/2→4I15/2 transitions in the CaGd2(MoO4)4:Er3+/Yb3+ crystal structure was established to be approximately at the 10 at.% doping level.
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Держатели документа:
Hanseo Univ, Dept Adv Mat Sci & Engn, Seosan 356706, South Korea.
SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia.
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia.
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia.
SB RAS, Kirensky Inst Phys, Lab Coherent Opt, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
SB RAS, Kirensky Inst Phys, Lab Mol Spect, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Lim, Chang Sung; Atuchin, V. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич
}
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11.
Formation of phases
and microstructure of ZnO and TiO2 based
ceramic
/ G. M. Zeer [et al.]> // Glass Ceram. - 2015. -
Vol. 72
,
Is. 7-8
. - P. 242-245,
DOI
10.1007/s10717-015-9765-8. - Cited References:15. - This work was supported in part by the Russian Foundation for Fundamental Research (Grant No. 13-08-01003-a) and the Ministry of Education of the Russian Federation (as part of scientific research tasked by the state to the Siberian Federal University for 2014). . - ISSN 0361-7610. - ISSN 1573-8515
РУБ
Materials Science, Ceramics
Рубрики:
GLASS ENAMEL COATINGS
NANOWIRES
Кл.слова (ненормированные):
electrocontact materials
--
metal oxides
--
zinc titanate
--
nanopowders
--
ceramic
--
microstructure
--
phase formation
Аннотация:
Nanopowders of zinc and titanium oxides were used to obtain samples of Zn2TiO4-ZnO
ceramic
. Phase formation as well as the microstructure and elemental composition of the phases formed were studied by means of electron microscopy. The density and porosity were calculated, and the sizes of grains and pores in the
ceramic
were determined. The temperature at the zinc titanate forms was determined. It was shown that it corresponds to the sintering temperature of electrocontact materials with this composition. It is proposed that zinc titanate and oxide be used as arc-suppressing and dispersion-hardening additional additives in copper-based electrocontact materials.
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Публикация на русском языке
Формирование фаз и микроструктуры керамики на основе ZnO и TiO2 [Текст] / Г. М. Зеер [и др.] // Стекло и керамика. - 2015. - № 7. - С. 16-19
Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk, Russia.
MF Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia.
Доп.точки доступа:
Zeer, G. M.; Zelenkova, E. G.; Nikolaeva, N. S.; Zharkov, S. M.; Жарков, Сергей Михайлович; Pochekutov, S. I.; Ledyaeva, O. N.; Sartpaeva, A. B.; Mikheev, A. A.; Russian Foundation for Fundamental Research [13-08-01003-a]; Ministry of Education of the Russian Federation
}
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12.
Magnetoresistance hysteresis of
bulk textured Bi1.8Pb0.3Sr1.9Ca2Cu3Ox + Ag ceramics and its anisotropy / D. A. Balaev [et al.]> // Physica C. - 2010. -
Vol. 470
,
Is. 1
. - P. 61-67,
DOI
10.1016/j.physc.2009.10.007. - Cited References: 24. - Authors thanks to I.L. Belozerova for help in preparation of textured ceramics. This work was supported by program N5 of RAS, project N7, and in part in frames of young scientist projects of Siberian Federal University, project N6. . - ISSN 0921-4534
РУБ
Physics, Applied
Рубрики:
CRITICAL-CURRENT ANISOTROPY
HIGH-TEMPERATURE SUPERCONDUCTOR
CRITICAL-CURRENT DENSITY
MAGNETIC HYSTERESIS
TAPES
FLUX
YBA2CU3O7-DELTA
FIELD
Кл.слова (ненормированные):
Magnetoresistance
--
Anisotropy
--
Scaling
--
Magnetization
--
Bi2223
--
BSCCO
--
Anisotropy
--
Bi2223
--
BSCCO
--
Magnetization
--
Magnetoresistance
--
Scaling
--
Bi-2223
--
BSCCO
--
External fields
--
Granular superconductors
--
Magnetic induction
--
Parameters characterizing
--
Anisotropy
--
Calcium
--
Ceramic
materials
--
Crystallites
--
Electric resistance
--
Hysteresis
--
Lead
--
Magnetic moments
--
Magnetoelectronics
--
Magnetoresistance
--
Nanocrystalline alloys
--
Silver
--
Superconducting materials
--
Superconductivity
--
Magnetic field effects
Аннотация:
Magnetoresistance of bulk textured Bi1.8Pb0.3Sr1.9Ca2Cu3Ox + Ag ceramics has been studied in the magnetic fields applied parallel and perpendicular to a-b planes of Bi2223 crystallites. Besides well known anisotropy of magnetoresistance of textured superconductors (R-H parallel to c > RH parallel to a-b), anisotropic hysteresis of R(H) dependences was investigated. Parameters characterizing hysteretic R(H) curves differ for the cases H parallel to c and H parallel to a-b. This behavior is explained within the model of a granular superconductor where the total magnetic induction in the intercrystallite boundaries is superposition of the external field and the magnetic field induced by dipole magnetic moments of neighbor crystallites. (C) 2009 Elsevier B.V. All rights reserved.
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Держатели документа:
[Gokhfeld, D. M.] RAS, SD, LV Kirensky Phys Inst, High Magnet Fields Lab, Krasnoyarsk 660036, Russia
[Balaev, D. A.
Semenov, S. V.
Shaykhutdinov, K. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Semenov, S. V.; Семенов, Сергей Васильевич; Bykov, A. A.; Быков, Алексей Анатольевич; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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13.
Preparation, microstructure, magnetic
and transport properties of bulk textured Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O(x) and Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O(x)+Agceramics / M. I. Petrov [et al.]> // Supercond. Sci. Technol. - 2008. -
Vol. 21
,
Is. 10
. - Ст. 105019,
DOI
10.1088/0953-2048/21/10/105019. - Cited References: 22. - This work is supported by program of RAS 'Quantum macrophysics' No. 3.4 and integration project of SB RAS No. 3.4 and in part by Krasnoyarsk Regional Scientific Foundation (KRSF), Grants 17G057, 18G148 and 18G011. DAB and AAD acknowledge the Russian Science Support Foundation. . - ISSN 0953-2048
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
CRITICAL-CURRENT DENSITY
BI-2223 TAPES
BI2223
SILVER
DISCS
(BI
Кл.слова (ненормированные):
Building materials
--
Calcium
--
Copper
--
Crystallites
--
Diamagnetic materials
--
Lead
--
Lead alloys
--
Magnetic anisotropy
--
Magnetic properties
--
Nanocrystalline alloys
--
Silver
--
Textures
--
Transport properties
--
Bi-2223
--
Bulk samples
--
Degree of textures
--
Diamagnetic responses
--
Liquid mediums
--
Magnetic and transport properties
--
Magnetic measurements
--
Room temperatures
--
Ceramic
materials
Аннотация:
A new method of preparation of bulk textured Bi2223 ceramics and Bi2223 + Ag composites, based on room temperature pressing of foamed precursor (Bi2223, Bi2223 + Ag) in a liquid medium, is proposed. SEM and XRD data prove a high degree of texture of the bulk samples obtained. Magnetic measurements performed in directions H parallel to c-axis and H parallel to a-b-planes of Bi2223 crystallites demonstrates anisotropy of magnetization confirming the texture of the ceramics. The materials obtained possess large diamagnetic response in the direction H parallel to a-b-planes of Bi2223 crystallites at both 77.4 and 4.2 K.
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Держатели документа:
[Petrov, M. I.
Shaikhutdinov, K. A.
Balaev, D. A.
Dubrovskii, A. A.
Popkov, S. I.
Vasil'ev, A. D.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Belozerova, I. L.] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia
[Mart'yanov, O. N.] Boreskov Inst Catalysis, Novosibirsk 630090, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Boreskov Institute of Catalysis, 630090, Novosibirsk, Russian Federation
Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Belozerova, I. L.; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Balaev, D. A.; Балаев, Дмитрий Александрович; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Popkov, S. I.; Попков, Сергей Иванович; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Mart'yanov, O. N.
}
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14.
Heat capacity and
thermal expansion study of Ba0.9Bi0.067(Ti1-xZrx)O-3 ceramics / M. . Gorev [et al.]> // J. Phys.: Condens. Matter. - 2007. -
Vol. 19
,
Is. 34
. - Ст. 346237,
DOI
10.1088/0953-8984/19/34/346237. - Cited References: 15 . - ISSN 0953-8984
РУБ
Physics, Condensed Matter
Рубрики:
BA(TI1-XZRX)O-3
STATE
Кл.слова (ненормированные):
Adiabatic calorimeters
--
Temperature range
--
Temperature regions
--
Thermal expansion anomaly
--
Barium
--
Ceramic
materials
--
Dielectric properties
--
Expansion
--
Specific heat
--
Zirconium
--
Thermal expansion
Аннотация:
For Ba0.9Bi0.067(Ti1-xZrx)O-3 (x = 0.04, 0.15) ceramics, the heat capacity C-p(T) and the thermal expansion alpha(T) were measured using an adiabatic calorimeter and an optical-mechanical dilatometer in the temperature range 100-420 K. Both compounds reveal diffuse heat capacity and thermal expansion anomalies: three anomalies in the temperature regions 150-250 K, 250-300 K (alpha(T) only) and 300-400 K at x = 0.04 and two anomalies in the regions 200 250 K and 250-350 K at x = 0.15. The results obtained are discussed together with the data on the dielectric properties.
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Держатели документа:
[Gorev, Michail
Bondarev, Vitaly
Flerov, Igor] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
[Maglione, Mario
Simon, Annie] Univ Bordeaux 1, CNRS, ICMCB, F-33608 Pessac, France
ИФ СО РАН
LVKirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
ICMCB-CNRS, Universite de Bordeaux i, 87 avenue ASchweitzer, 33608 Pessac, France
Доп.точки доступа:
Gorev, M. V.; Горев, Михаил Васильевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Flerov, I. N.; Флёров, Игорь Николаевич; Maglione, M.; Simon, A.
}
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15.
Study of dependence
upon the magnetic field and transport current of the magnetoresistive effect in YBCO-based bulk composites / D. A. Balaev [et al.]> // Supercond. Sci. Technol. - 2007. -
Vol. 20
,
Is. 6
. - P. 495-499,
DOI
10.1088/0953-2048/20/6/002. - Cited References: 25 . - ISSN 0953-2048
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
CERAMIC
SUPERCONDUCTORS
DISSIPATION
TRANSITION
SENSORS
MOTION
FILMS
Кл.слова (ненормированные):
Current voltage characteristics
--
Lorentz force
--
Magnetic field effects
--
Magnetic flux
--
Magnetic sensors
--
Magnetoresistance
--
Intergrain boundaries
--
Magnetic field sensor devices
--
Magnetoresistance curves
--
Magnetoresistive properties
--
Yttrium barium copper oxides
Аннотация:
The magnetoresistive properties of bulk YBCO + CuO and YBCO + BaPb0.75Sn0.25O3 composites for different orientations of external magnetic field H and macroscopic transport current j have been measured. These composites exhibit large magnetoresistance in weak magnetic fields (< 100 Oe), which makes them promising candidates for practical application in magnetic field sensor devices. The difference between.( T) dependences, magnetoresistance curves R( H) and current - voltage characteristics measured for H parallel to j and H || j is observed indicating the presence of the Lorentz- force- dependent dissipation in the composites. Angular dependences of magnetoresistance R(theta) ( where theta = angle H, j) of the composites in weak magnetic fields are found to be proportional to sin(2)theta. This fact suggests that the flux flow in the intergrain boundaries is responsible for the large magnetoresistive effect observed in the composites.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Prus, A. G.; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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16.
Magnetoresistive effect in
bulk composites 1-2-3 YBCO+CuO and 1-2-3 YBCO+BaPb(1-x)SnxO(3) and their application as magnetic field sensors at 77 K / D. A. Balaev [et al.]> // Supercond. Sci. Technol. - 2004. -
Vol. 17
,
Is. 1
. - P. 175-181,
DOI
10.1088/0953-2048/17/1/031. - Cited References: 27 . - ISSN 0953-2048
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
PHASE-SLIP
SUPERCONDUCTOR
TEMPERATURE
YBA2CU3O7-DELTA
TRANSITION
Кл.слова (ненормированные):
Ceramic
materials
--
Composite materials
--
Critical current density (superconductivity)
--
High temperature operations
--
High temperature superconductors
--
Lead compounds
--
Magnetoresistance
--
Sensors
--
Yttrium barium copper oxides
--
High temperature superconductor ceramics
--
Magnetic field sensors
--
Magnetoresistive effect
--
Transport current density
--
Oxide superconductors
Аннотация:
We have studied the magnetoresistive effect in bulk 1-2-3 YBCO + CuO and 1-2-3 YBCO + BaPb1-xSnxO3 composites prepared using the fast backing technique. We have found that the composites exhibit large magnetoresistance in low magnetic fields (< 100 Oe) for a broad temperature range. We have studied the experimental dependences of resistivity versus magnetic field at various transport current densities. The high-T-C superconductor (HTSC) based composites exhibit a much higher sensitivity to weak magnetic fields at liquid nitrogen temperature, compared to that for pure HTSC ceramics. This effect is attractive for practical applications and the composite materials can be used as active elements in magnetic field sensor devices.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
ИФ СО РАН
Kirensky Inst of Physics, 660036, Krasnoyarsk, Russian Federation
RSSAU, Krasnoyarsk 660014, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Popkov, S. I.; Попков, Сергей Иванович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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17.
A DC superconducting
fault current limiter using die-pressed YBa2Cu3O7
ceramic
/ A. G. Mamalis [et al.]> // Supercond. Sci. Technol. - 2001. -
Vol. 14
,
Is. 6
. - P. 413-416,
DOI
10.1088/0953-2048/14/6/316. - Cited References: 14 . - ISSN 0953-2048
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
CURRENT-VOLTAGE CHARACTERISTICS
WEAK LINKS
COMPOSITES
Кл.слова (ненормированные):
Current voltage characteristics
--
Electric fault currents
--
High temperature applications
--
Josephson junction devices
--
Polycrystalline materials
--
Fault current limiter devices
--
Superconducting materials
Аннотация:
A model of a superconducting fault current limiter on a polycrystalline high-temperature superconductor basis is checked in the dc short circuit regime. Protection of load takes place under the conditions described in this paper. The use of
ceramic
materials with superconducting-normal metal-superconducting Josephson junction network having an S-type current-voltage characteristic (CVC) is shown to be effective for fault current limiter devices.
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Держатели документа:
Natl Tech Univ Athens, Dept Engn Mech, Mfg Technol Div, GR-10682 Athens, Greece
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Res Inst Phys & Engn, Krasnoyarsk 660036, Russia
ИФ СО РАН
Manufacturing Technology Division, Mechanical Engineering Department, National Technical University of Athens, Greece
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Research Institute of Physics and Engineering, Krasnoyarsk State University, 660036 Krasnoyarsk, Russian Federation
Доп.точки доступа:
Mamalis, A. G.; Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Gohfeld, D. M.; Militsyn, S. V.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Kirko, V. I.; Vottea, I. N.
}
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18.
Angular dependence of
the magnetoresistance in Y3/4Lu1/4Ba2Cu3O7-CuO composites at 77 K / D. A. Balaev [et al.]> // Tech. Phys. Lett. - 2006. -
Vol. 32
,
Is. 8
. - P. 677-679,
DOI
10.1134/S1063785006080128. - Cited References: 16 . - ISSN 1063-7850
РУБ
Physics, Applied
Рубрики:
CERAMIC
SUPERCONDUCTORS
MAGNETIC-FIELD
MICROSTRUCTURE
BOUNDARIES
TRANSPORT
MOTION
FILMS
Аннотация:
The angular dependence of the magnetoresistance of polycrystalline Y3/4Lu1/4Ba2Cu3O7-CuO composites has been studied. These composites represent a system of Josephson junctions and exhibit a large magnetoresistance at 77 K. In addition to the isotropic component, there is the angle-dependent component proportional to sin(2)theta, where theta is the angle between the directions of current and magnetic field. This behavior is unambiguous evidence for the process of flux flow in the Josephson medium realized in the composites.
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Prus, A. G.; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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19.
Ovchinnikov, S. G.
Quasi-particle spectrum in copper oxides / S. G. Ovchinnikov, G. A. Petrakovsky> // J. Supercond. - 1991. -
Vol. 4
,
Is. 6
. - P. 437-448,
DOI
10.1007/BF00635862. - Cited References: 0 . - ISSN 0896-1107
РУБ
Physics, Applied + Physics, Condensed Matter
Кл.слова (ненормированные):
ELECTRON CORRELATIONS
--
ELECTRON ENERGY STRUCTURE
--
COPPER OXIDE
--
PHOTOEMISSION DATA
--
copper oxide
--
Electron correlations
--
electron energy structure
--
photoemission data
--
Ceramic
Materials
--
Lanthanum Compounds
--
Fermi Liquid
--
Lanthanum Strontium Copper Oxides
--
Oxide Superconductors
--
Quasi Particles
--
High Temperature Superconductors
Аннотация:
The results of electronic structure calculations of the CuO2 layer, performed by the generalized tight-binding method, are presented. The strong electron correlations on both the Cu and O ions are included explicitly. The resulting quasiparticle band structure contains an insulator gap for undoped compounds like La2CuO4. The valence band consists of a large number of narrow Hubbard quasiparticle bands. The dispersion law of quasiparticles at the top of the valence band has a minimum at the GAMMA-point, indicating the existence of the multivalley Fermi surface in the doped La2-xSrxCuO4. The origin of the Fermi liquid behavior in the narrow quasiparticle bands is discussed.
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Держатели документа:
L. V. Kirensky Institute of Physics, Siberian Department of the USSR Academy of Sciences, Krasnoyarsk, 660036, Russia
Доп.точки доступа:
Petrakovsky, G. A.; Петраковский, Герман Антонович; Овчинников, Сергей Геннадьевич
}
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20.
Thermal expansion, polarization
and phase diagrams of Ba1-yBi2y/3Ti1-xZrxO3 and Ba1-yLayTi1-y/4O3 compounds / M. . Gorev [et al.]> // J. Phys.: Condens. Matter. - 2009. -
Vol. 21
,
Is. 7
. - Ст. 75902. - P.,
DOI
10.1088/0953-8984/21/7/075902. - Cited References: 28. - This work was supported by the Russian Foundation for Basic Research ( project no. 07-02-00069) and the Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools ( project no. NSh-1011.2008.2). . - ISSN 0953-8984
РУБ
Physics, Condensed Matter
Рубрики:
HEAT-CAPACITY
CERAMICS
BA(TI1-XZRX)O-3
FERROELECTRICS
BEHAVIOR
BATIO3
BATI0.65ZR0.35O3
CONDUCTIVITY
PEROVSKITES
CHEMISTRY
Кл.слова (ненормированные):
Barium
--
Dielectric properties
--
Lanthanum
--
Phase diagrams
--
Polarization
--
Thermal stress
--
Zirconium
--
Ceramic
compositions
--
Root mean squares
--
Temperature ranges
--
Temperature-dependent measurements
--
Thermal expansion co-efficient
--
Thermal-expansion properties
--
Thermal expansion
Аннотация:
The thermal expansion properties of the
ceramic
compositions Ba1-yLayTi1-y/4O3 (y = 0.0, 0.026, 0.036, 0.054) and Ba1-yBi2y/3Ti1-xZrxO3 (y = 0.10; x = 0.0, 0.04, 0.05, 0.10, 0.15) were determined in the temperature range 120-700 K. We report the temperature- dependent measurements of the strain, thermal expansion coefficient and the magnitude of root mean square polarization. The results obtained are discussed together with the data on the structure and dielectric properties.
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Держатели документа:
[Gorev, Michail
Bondarev, Vitaly
Flerov, Igor] Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Gorev, Michail
Bondarev, Vitaly
Flerov, Igor] Siberian Fed Univ, Inst Engn Phys, Krasnoyarsk 660041, Russia
[Maglione, Mario
Simon, Annie] Univ Bordeaux 1, ICMCB CNRS, F-33608 Pessac, France
[Sciau, Philippe] Univ Toulouse, CEMES CNRS, F-31055 Toulouse, France
[Boulos, Madona
Guillemet-Fritsch, Sophie] Univ Toulouse, CIRIMAT CNRS UPS INPT, F-31062 Toulouse, France
ИФ СО РАН
L v Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Institute of Engineering Physics, Siberian Federal University, av. Svobodny 79, Krasnoyarsk, 660041, Russian Federation
ICMCB-CNRS, Universite de Bordeaux i, 87 avenue A Schweitzer, 33608 Pessac, France
CEMES-CNRS, Universite de Toulouse, 29 rue Jeanne Marvig, 31055 Toulouse, France
CIRIMAT CNRS/UPS/INPT, Universite de Toulouse, Batiment 2R1, 118 route de Narbonne, 31062 Toulouse, France
Доп.точки доступа:
Gorev, M. V.; Горев, Михаил Васильевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Flerov, I. N.; Флёров, Игорь Николаевич; Maglione, M.; Simon, A.; Sciau, P.; Boulos, M.; Guillemet-Fritsch, S.; Russian Foundation for Basic Research [07-02-00069]; Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools [NSh-1011.2008.2]
}
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