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Magnetic properties of single crystals of the CrxMn1–xS solid solutions (0 ≤ x ˂ 0.3) / G. M. Abramova [et al.] // Phys. Solid State. - 2012. - Vol. 54, Is. 2. - P. 293–297, DOI 10.1134/S1063783412020023. - Cited References: 7 . - ISSN 1063-7834

РУБ Physics + Condensed Matter
Рубрики:
Cr
Fe

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Публикация на русском языке Магнитные свойства монокристаллов твердых растворов Crx Mn1-x S (0 ≤ x ˂ 0.3) [Текст] / Г. М. Абрамова [и др.] // Физ. тверд. тела. - 2012. - Т. 54 Вып. 2. - С. 277-281

Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Petrakovskii, G. A.; Петраковский, Герман Антонович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Vorotynov, A. M.; Воротынов, Александр Михайлович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Mita, Y.; Sokolov, V. V.; Patrin, G. S.; Патрин, Геннадий Семёнович
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Synthesis, structure, and magnetic properties of anion-substituted manganese chalcogenides / S. S. Aplesnin [et al.] // Phys. Solid State. - 2012. - Vol. 54, Is. 7. - P. 1374-1379. - Cited References: 14. - This study was supported by the Russian Foundation for Basic Research (project nos. 12-02-00125_a, 09-02-92001-NNS_a, 11-02-98018 r_sibir'_a, and 12-02-93001 V'et_a), the Belarusian Republican Foundation for Fundamental Research-Russian Foundation for Basic Research (joint project RFBR-BRFFR no. 12-02-90004), the Belarusian Republican Foundation for Fundamental Research (project no. F08R-037), and the Ministry of Education and Science of the Russian Federation within the framework of the Analytical Department Targeted Program "Development of the Scientific Potential of the Higher School" (state contract no. 2.1.1/11763). . - ISSN 1063-7834

РУБ Physics + Condensed Matter
Рубрики:
Solid-Solutions
MnSe

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Публикация на русском языке Синтез, структурные и магнитные свойства анион-замещенных халькогенидов марганца [Текст] / С. С. Аплеснин [и др.] // Физ. тверд. тела : Физико-технический институт им. А.Ф.Иоффе РАН, 2012. - Т. 54 Вып. 7. - С. 1296-1301

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Romanova, O. B.; Романова, Оксана Борисовна; Gorev, M. V.; Горев, Михаил Васильевич; Vasil'ev, A. D.; Demidenko, O. F.; Makovetskii, G. I.; Yanushkevich, K. I.
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    Metal–semiconductor transition in SmxMn1−xS solid solutions / S. S. Aplesnin [и др.] // Phys. Status Solidi B. - 2012. - Vol. 249, Is. 4. - P. 812-817, DOI 10.1002/pssb.201147327. - Cited References: 27. - This study was supported by the Russian Foundation for Basic Research project No 09-02-00554_a; No 09-02-92001-NNS_a; No 11-02-98018 r_sibir_a; ADTP "Development of scientific potential of the higher school" No. 2.1.1/11763. . - ISSN 0370-1972
   Перевод заглавия: Переход металл-полупроводник в твердых растворах SmxMn1−xS

РУБ Physics + Condensed Matter
Рубрики:
Magnetic-properties
   Phase-transition
   SmS
   Valence
   Pressure
   Crystal
   Lattice
   CeRhSb
Кл.слова (ненормированные):
Kondo effect -- metal-semiconductor transition -- semiconductors -- variable-valence elements
Аннотация: The electrical resistivity of the SmxMn1−xS (0.15 ≤ x ≤ 0.25) solid solutions in the temperature range of 80–300 K was measured. Minimum and maximum in the temperature dependence of the resistivity were found, respectively, at T = 220 K for x = 0.15 and at T = 100 K for x = 0.2 compounds. This behavior is explained from the result of the mobility-edge movement, the disorder being due to elastic deformation and spin density fluctuations with short-range order. Metal–semiconductor phase transition versus concentration at xc = 0.25 is observed. Resistivity is described by scattering electrons with acoustic phonon mode and with localized manganese spin. From the thermal expansion coefficient the compression of the lattice below the Néel temperature for Sm0.2Mn0.8S is found.

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Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Romanova, O. B.; Романова, Оксана Борисовна; Har'kov, A. M.; Balaev, D. A.; Балаев, Дмитрий Александрович; Gorev, M. V.; Горев, Михаил Васильевич; Vorotynov, A. M.; Воротынов, Александр Михайлович; Sokolov, V. V.; Pichugin, A.
}
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Magnetic and thermoelectric properties of the Mn1-X Ni (X) S solid solutions / G. Makovetskii [et al.] // J. Korean Phys. Soc. - 2013. - Vol. 62, Is. 12. - P. 2059-2062, DOI 10.3938/jkps.62.2059. - Cited References: 9. - This study was supported by the Russian Foundation for Basic Research project No. 09-02-92001-NNS_a; No.12-02-90004 Bel_a; No. 12-02-00125_a; No. 11-02-98018 r_sibir_a, F12R-060 . - ISSN 0374-4884

РУБ Physics, Multidisciplinary
Рубрики:
NICKEL SULPHIDE
TRANSITION
Кл.слова (ненормированные):
Antiferromagnetic materials -- Semiconductor conductivity -- Manganese sulphides
Аннотация: The new sulphide Mn1-X Ni (X) S (0 T (N) . The conductivity type change from the hole to the electronic at X > 0.05 is revealed on the basis of the thermoelectric power measurements. The resistivity and thermopower behaviors are explained in terms of the impurity subband formation into MnS electron excitation gap.

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Держатели документа:
Natl Acad Sci Belarus, GO NPTs Mat Sci Ctr, Minsk 220072, Byelarus
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
MF Reshetneva Aircosm Siberian State Univ, Krasnoyarsk 660014, Russia

Доп.точки доступа:
Makovetskii, G.; Аплеснин, Сергей Степанович; Demidenko, O. F.; Galyas, A.; Yanushkevich, K.; Aplesnin, S. S.; Romanova, O. B.; Романова, Оксана Борисовна; Ryabinkina, L. I.; Рябинкина, Людмила Ивановна
}
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Redox potentials of gold-palladium powders in aqueous solutions of H2PdCl4 / O. V. Belousov [et al.] // Russ. J. Phys. Chem. A. - 2012. - Vol. 86, Is. 3. - P. 484-488, DOI 10.1134/S0036024412020070. - Cited References: 26 . - ISSN 0036-0244

РУБ Chemistry, Physical + Powders
Рубрики:
BIMETALLIC NANOPARTICLES
   METALLIC PALLADIUM
   COPPER
   ELECTRODE
   BLACK
   Bimetallic particles
   Bimetallic powders
   Gold-palladium
   Hydrochloric acid solution
   Nernst equation
   Redox potentials
   Gold
   Hydrochloric acid
   Redox reactions
   Secondary batteries
   Transmission electron microscopy
   X ray diffraction analysis
Кл.слова (ненормированные):
bimetallic powders -- gold-palladium -- redox potential
Аннотация: The redox potential of fine-dispersed and compact bimetallic powders of the palladium-gold system in hydrochloric acid solutions of H2PdCl4 at a temperature of 60A degrees C was studied. It was found that the redox potential increases with gold enrichment of the solid solution in accordance with the Nernst equation. The effect of gold-palladium particle size on this redox potential is shown. The morphology, sizes, and composition of bimetallic particles are determined via transmission electron microscopy and X-ray diffraction analysis.

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Публикация на русском языке Окислительно-востановительные потенциалы золото-палладиевых порошков в водных растворах H2PdCl4 [Текст] / О. В. Белоусов [и др.] // Журн. физ. химии : Наука, 2012. - Т. 86 № 3. - С. 557-562

Держатели документа:
[Belousov, O. V.
Borisov, R. V.
Parfenov, V. A.
Dorokhova, L. I.] Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660041, Russia
[Zharkov, S. M.] Russian Acad Sci, Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
[Zharkov, S. M.] Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Belousov, O. V.; Borisov, R. V.; Zharkov, S. M.; Жарков, Сергей Михайлович; Parfenov, V. A.; Dorokhova, L. I.
}
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Nonuniform magnetic states and electrical properties of SmXMn1-XS solid solutions / S. S. Aplesnin [et al.] // IEEE Trans. Magn. - 2011. - Vol. 47, Is. 10. - P. 4413-4416, DOI 10.1109/TMAG.2011.2160715. - Cited References: 13 . - ISSN 0018-9464

РУБ Engineering, Electrical & Electronic + Physics, Applied

Кл.слова (ненормированные):
Conductivity -- magnetic semiconductors -- magnetization processes
Аннотация: The real and imaginary parts of magnetic permeability at the three frequencies 100 Hz, 1 kHz and 10 kHz and magnetic moment in magnetic field H = 0.05 T in the SmXMn1-XS(0.1 <= X <= 0.25) solid solutions at the temperatures 5 K-300 K were measured. Magnetization curves were measured in the range of fields -9 T < H < 9 T at the temperatures T = 5 K, 50 K. Non-linear behavior of the magnetization versus field, residual magnetic moment, logarithmic dependence of imaginary parts of the magnetic permeability maximum on frequency and sharp drop of Im(mu) at T < 40 K for compound Sm0.25Mn0.75 S were found. The electrical resistivity of the SmXMn1-X S(0.5 < x < 0.25) solid solution in the range of temperatures 80 K-300 K were measured. Minimum and maximum in the temperature dependence of the resistivity were found respectively at T = 220 K for X = 0.15 and at T = 100 K for X = 0.2 compounds. This behavior is explained a result of the mobility edge movement and the disorder of the deformation and spin density fluctuations with short-range order.

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Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Har'kov, A. M.; Eremin, E. V.; Еремин, Евгений Владимирович; Romanova, O. B.; Романова, Оксана Борисовна; Balaev, D. A.; Балаев, Дмитрий Александрович; Sokolov, V. V.; Соколов В. В.; Pichugin, A. Yu.; IEEE International Magnetics Conference(2011 ; Apr. ; 25-29 ; Taipei, Taiwan)
}
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Voronov, V. N.
ESR study of ScF3 crystals and the crystals of ScF3 based solid solutions / V. N. Voronov, E. A. Petrakovskaya, A. A. Alexandrovich // Functional Materials. - 2010. - Vol. 17, Is. 3. - P. 324-328 . - ISSN 1027-5495
Аннотация: The ScF3 crystals belong to the perovskite family but, in contrast to other fluorides of that class, exhibit cubic symmetry. The ESR study of those crystals has shown that the spectra of impurity-free crystals as well as those containing Ga, Mg, Sb, Al, Fe include lines that can be ascribed to the local defects of the crystal structure. Those defects have been evidenced most reliably in ScF3 single crystals with Ga and Fe impurities as well in the impurity-free ones. In all the cases, the spectra show the presence of defects related to six fluorine atoms. This fact is most pronounced in the crystals with Fe impurity. A local distortion of cubic symmetry has been revealed unambiguously at the defect center sites. The letter seem to be fluorine octahedrons. В© 2010 STC "Institute for Scientific Crystals".

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Доп.точки доступа:
Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Alexandrovich, A. A.; Воронов, Владимир Николаевич
}
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Calorimetric and 23Na MAS NMR study of the phase diagram of NANB1_xTAxO3 solid solutions / I. P. Aleksandrova [et al.] // Functional Materials. - 2010. - Vol. 17, Is. 1. - P. 18-23 . - ISSN 1027-5495
Аннотация: The heat capacity of NaNb1_xTaxO3 solid solutions was measured in the temperature range 100 to 770 K. The step-like change of phase transition temperature is observed in the T-x phase diagram at concentration x = 0.55. The obtained results are in a good agreement with the data of dielectric studies. The 23Na MAS NMR spectra were obtained at Larmor frequency 79.35 MHz using a Bruker AVANCE 300 spectrometer. The quadru-polar coupling constant, (CQ=e2qQ/h) and asymmetry parameter (n) were determined by computer fitting of the NMR line shape using the DMFit software. The found parameters show that solid solution structure is NaTa03-based at 0.7<X ?1 and NaNbO3-based at 0?x?0.5. The spectra in the intermediate region (0.5<x?0.7) can be described at a reasonable accuracy when assuming the coexistence of NaTaO3 and NaNbO3 structures. В© 2010 - STC "Institute for Single Crystals".

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Держатели документа:
L. V. Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, 660036 Krasnoyarsk, Russian Federation
Siberian Federal University, 660041 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Aleksandrova, I. P.; Александрова, Инга Петровна; Ivanov, Y. N.; Иванов, Юрий Николаевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Sukhovskii, A. A.; Суховский, Андрей Андреевич; Voronov, V. N.; Воронов, Владимир Николаевич
}
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Magnetic and thermophysical properties of GdxMn1-xS solid solutions / S. S. Aplesnin [et al.] // J. Phys.: Condens. Matter. - 2013. - Vol. 25, Is. 2. - Ст. 025802. - P. , DOI 10.1088/0953-8984/25/2/025802 . - ISSN 0953-8984
Кл.слова (ненормированные):
Antiferromagnetic orders -- Band state -- Face-centered cubic lattices -- Magnetic phase transitions -- Paramagnetic phase -- Temperature dependence -- Antiferromagnetism -- Electron transitions -- Gadolinium -- Manganese -- Paramagnetism -- Sodium chloride -- Specific heat -- Organic polymers
Аннотация: The structural, magnetic, and thermophysical properties of cation-substituted sulfides GdXMn1-XS (0.04 ? X ? 0.25) with the NaCl-type face-centered cubic lattice have been investigated. The range of existence of long-range antiferromagnetic order has been established. The anomalies observed in the temperature dependence of the specific heat correspond to the temperatures of the magnetic phase transition. The anomaly in the specific heat caused by electron transitions between the 4f levels and d band states has been observed. It has been found that the coefficient of thermal expansion decreases with increasing concentration of substituents in the magnetically ordered region and remains nearly invariable in the paramagnetic phase. В© 2013 IOP Publishing Ltd.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Daghestan Sci Ctr, Amirkhanov Inst Phys, Makhachkala 367003, Russia

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Romanova, O.; Романова, Оксана Борисовна; Gorev, M. V.; Горев, Михаил Васильевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Gamzatov, A. G.; Aliev, A. M.
}
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10.

Аплеснин, Сергей Степанович.
Магнитные и динамические свойства твердых растворов SmxMn1-xS / С. С. Аплеснин, А. М. Харьков // Физ. тверд. тела. - 2013. - Т. 55, Вып. 1. - С. 69-74
Аннотация: Проведены измерения действительной и мнимой частей магнитной проницаемости на частотах 0.1, 1 и 10 kHz, а также ширины линии ЭПР и g-фактора в твердых растворах SmxMn1−x S (0.1 x 0.25) в области температур 5−300K. Установлены логарифмическая зависимость максимума мнимой части магнитной проницаемости от частоты и степенная зависимость Imμ от температуры. Определен механизм релаксации магнитного момента в магнитоупорядоченной и парамагнитной фазах. Результаты эксперимента объяснены в рамках модели Гейзенберга с конкурирующими обменными взаимодействиями и образованием антиаспиромагнитного состояния при низких температурах.

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Переводная версия Magnetic and dynamic properties of SmxMn1 - xS solid solutions. - [Б. м. : б. и.]

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Харьков, Анатолий Михайлович; Aplesnin, S. S.
}
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11.

Aplesnin, S. S.
Magnetic and dynamic properties of SmxMn1 - xS solid solutions / S. S. Aplesnin, A. M. Khar'kov // Phys. solid state. - 2013. - Vol. 55, Is. 1. - P. 81-87, DOI 10.1134/S1063783413010046 . - ISSN 1063-7834
Аннотация: The real and imaginary parts of the magnetic permeability at frequencies of 0. 1, 1. 0, and 10. 0 kHz, as well as the electron paramagnetic resonance (EPR) line width and g-factor, have been measured in SmxMn1 - xS (0. 10 < x < 0. 25) solid solutions in the temperature range 5-300 K. The logarithmic dependence of the maximum in the imaginary part of the magnetic permeability on the frequency and the power-law dependence of Im? on the temperature have been determined. The mechanism of relaxation of the magnetic moment in the magnetically ordered and paramagnetic phases has been established. The experimental results have been explained in terms of the Heisenberg model with competing exchange interactions and the formation of the antiaspiromagnetic state at low temperatures. В© 2013 Pleiades Publishing, Ltd.

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Публикация на русском языке Аплеснин, Сергей Степанович. Магнитные и динамические свойства твердых растворов SmxMn1-xS [Текст] / С. С. Аплеснин, А. М. Харьков // Физ. тверд. тела. - 2013. - Т. 55 Вып. 1. - С. 69-74

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia

Доп.точки доступа:
Har'kov, A. M.; Аплеснин, Сергей Степанович
}
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12.

Magnetic and thermoelectric properties of the solid solutions Mn1-XNiXS / O. Romanova [et al.] // The 19th International Conference on Magnetism with Strongly Correlated Electron Systems : book of abstracts. - 2012. - P. 209
Аннотация:

Материалы конференции

Доп.точки доступа:
Romanova, O.; Романова, Оксана Борисовна; Ryabinkina, L. I.; Рябинкина, Людмила Ивановна; Demidenko, O. F.; Makovetskii, G.; Yanushkevich, K. I.; Korean Physical Society; Korean Magnetics Society; International Union of Pure and Applied Physics; International conference on magnetism (19 ; 2012 ; Jul ; 8-13 ; Busan, Korea / Bexco, Korea)
}
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13.

Ion exchange equilibria in simultaneous extraction of platinum(II, IV) and rhodium(III) from hydrochloric solutions / A. M. Mel'nikov [et al.] // Russ. J. Phys. Chem. A. - 2012. - Vol. 86, Is. 6. - P. 1018-1024, DOI 10.1134/S0036024412060192. - Cited References: 24 . - ISSN 0036-0244

РУБ Chemistry, Physical

Кл.слова (ненормированные):
platinum -- rhodium -- ionites -- ion exchange equilibria -- hydrochloric acid solutions -- sorption
Аннотация: Regularities of sorption extraction of platinum(II, IV) and rhodium(III) by anion exchangers of various physical and chemical structure in the presence of hydrochloric media were studied. It is established that AM-2B, Purolite A 500, and Purolite S 985 ionites adsorb complex anions of platinum metals employing mixed mechanism. A high affinity of the studied anionites for the studied complex anions of platinum and rhodium is established.

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Публикация на русском языке Ионообменные равновесия при совместном извлечении платины (II, IV) и родия (III) из солянокислых растворов [Текст] / А. М. Мельникова [и др.] // Журн. физ. химии. - 2012. - Т. 86 № 6. - С. 1129-1135

Держатели документа:
[Mel'nikov, A. M.] Siberian Fed Univ, Inst Nonferrous Met & Mat Sci, Krasnoyarsk 660041, Russia
[Kononova, O. N.
Pavlenko, N. I.] Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660049, Russia
[Krylov, A. S.] Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Mel'nikov, A. M.; Kononova, O. N.; Pavlenko, N. I.; Krylov, A. S.; Крылов, Александр Сергеевич
}
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14.

Caloric characteristics of PbTiO3 in the temperature range of the ferroelectric phase transition / E. A. Mikhaleva [et al.] // Phys. Solid State. - 2012. - Vol. 54, Is. 9. - P. 1832-1840, DOI 10.1134/S1063783412090181. - Cited References: 31. - This study was supported by the Russian Foundation for Basic Research (project no. 12-08-00079) and the Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools of the Russian Federation (grant no. NSh-4828.2012.2). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
SINGLE-CRYSTALS
   LEAD TITANATE
   DIELECTRIC PROPERTIES
   SOLID-SOLUTIONS
   PRESSURE
   PEROVSKITES
   DEPENDENCE
   BEHAVIOR
   HEAT
Аннотация: The heat capacity and thermal expansion of the PbTiO3 ceramic sample have been measured in the temperature range 80–970 K. The electrocaloric and barocaloric efficiencies of lead titanate in the ferroelectric phase transition range have been investigated by analyzing the experimental data in terms of the thermodynamic theory of phase transitions, the electrical equation of state P(T, E), the Pippard equation, and the S(T, p) diagram.

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Публикация на русском языке Калорические характеристики PbTiO3 в области сегнетоэлектрического фазового перехода [Текст] / Е. А. Михалева [и др.] // Физ. тверд. тела : Физико-технический институт им. А.Ф.Иоффе РАН, 2012. - Т. 54 Вып. 9. - С. 1719-1726

Держатели документа:
[Mikhaleva, E. A.
Flerov, I. N.
Gorev, M. V.] Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660074, Russia
[Mikhaleva, E. A.
Flerov, I. N.
Gorev, M. V.
Molokeev, M. S.
Cherepakhin, A. V.
Kartashev, A. V.
Mikhashenok, N. V.
Sablina, K. A.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Cherepakhin, A. V.; Черепахин, Александр Владимирович; Kartashev, A. V.; Карташев, Андрей Васильевич; Mikhashenok, N. V.; Михашенок, Наталья Владимировна; Sablina, K. A.; Саблина, Клара Александровна
}
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15.

Orlov, Yu. S.
Concentration dependence of the spin-gap in solid solutions La1-xGdxCoO3. Structural properties and high-temperature spin and electronic transirions in GdCoO3 / Yu. S. Orlov, V. A. Dudnikov, S. G. Ovchinnikov // Магнитные материалы. Новые технологии : тез. докл. VI Байкал. междунар. конф. BICMM-2014. - Иркутск, 2014. - P. 91 . - ISBN 978-5-9624-1024-1

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Доп.точки доступа:
Dudnikov, V. A.; Дудников, Вячеслав Анатольевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Орлов, Юрий Сергеевич; Байкальская Международная конференция "Магнитные материалы. Новые технологии"(6 ; 2014 ; авг. ; 19-23 ; пос. Большое Голоустное, Иркутская обл.); "Магнитные материалы. Новые технологии", Байкальская Международная конференция(6 ; 2014 ; авг. ; 19-23 ; пос. Большое Голоустное, Иркутская обл.); "Magnetic materials. New tecnologies", Baikal International Conference(6 ; 2014 ; Aug. 19-23 ; Bol’shoe Goloustnoe, Irkutsk region); Иркутский государственный университет
}
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16.

    Near-infrared luminescence and color tunable chromophores based on Cr3+-Doped Mullite-Type Bi2(Ga,Al)4O9 solid solutions / C. Liu [et al.] // Inorg. Chem. - 2015. - Vol. 54, Is. 4. - P. 1876-1882, DOI 10.1021/ic502779d. - Cited References: 26. - The present work was supported by the National Natural Science Foundations of China (Grants 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 0020-1669
   Перевод заглавия: Ближняя инфракрасная люминесценция и перестраиваемые цвет хромофоры построенные на допированных Cr3+ твердых растворах Bi2(Ga,Al)4O9 со структурой муллита.

РУБ Chemistry, Inorganic & Nuclear
Рубрики:
PERSISTENT LUMINESCENCE
   PHOSPHORS
   PIGMENT
   GARNET
   OXIDES
   FIELD
   RED
Аннотация: Cr3+-activated mullite-type Bi2Ga(4-x)AlxO9 (x = 0, 1, 2, 3, and 4) solid solutions were prepared by the solid state reaction, and their spectroscopic properties were investigated in conjunction with the structural evolution. Under excitation at 610 nm, Bi2[Ga(4-y)Aly]3.97O9:0.03Cr3+ (y = 0, 1, 2, 3, and 4) phosphors exhibited broad-band near-infrared (NIR) emission peaking at ?710 nm in the range 650?850 nm, and the optimum Cr3+ concentrations and concentration quenching mechanism were determined. Except for the interesting NIR emission, the body color changed from white (at x = 0) to green (at x = 0.08) for Bi2Ga4?xO9:xCr3+, and from light yellow (at x = 0) to deep brown (at x = 0.08) for Bi2Al4?xO9:xCr3+, respectively. Moreover, as a result of variable Al/Ga ratio, the observed body color for Bi2[Ga(4-y)Aly]3.97O9:0.03Cr3+ (y = 0, 1, 2, 3, and 4) varied from deep brown to green. The relationship between the observed colors and their diffuse reflectance spectra were also studied for the understanding of the different absorption bands. The results indicated that Cr3+-doped Bi2Ga(4-x)AlxO9 solid solutions appeared as the bifunctional materials with NIR phosphors and color-tunable pigments.

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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.
RAS, SB, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.

Доп.точки доступа:
Liu, C.; Xia, Zhiguo; Chen, M.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Liu, Q.
}
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17.

    Single-crystal and powder neutron diffraction study of the FeXMn1−XS solid solutions / G. Abramova [et al.] // J. Alloys Compd. - 2015. - Vol. 632. - P. 563-567, DOI 10.1016/j.jallcom.2015.01.162DOI 10.1002/chin.201522001. - Cited References:23. - This study was supported in part by the INTAS project no. 06-1000013-9002 and the CRDF-SB RAS project no. RUP1-7054-KR-11, N 16854.
Ref.: ChemInform abstract, 2015, Vol. 46, Is. 22. - Wiley online library
. - ISSN 0925. - ISSN 1873-4669
   Перевод заглавия: Нейтронографическое исследование порошков и монокристаллов твердых растворов FeXMn1-XS методами монокристальной и порошковой нейтронографии

РУБ Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering
Рубрики:
PHASE-TRANSITIONS
   ALPHA-MNS
   MAGNETIC STRUCTURES
   HIGH-PRESSURE
   FEO
Кл.слова (ненормированные):
Magnetic semiconductors -- Neutron diffraction
Аннотация: The α-MnS-based FeXMn1−XS (0 < x < 0.3) solid solutions are synthesized and shown to be new Mott materials with the rock salt structure. Neutron diffraction data show that the chemical-pressure-induced Neel temperature shift from 150 (x = 0) to 200 K (x = 0.29) observed in these materials is accompanied by a decrease in the NaCl-type cubic lattice parameters. It is established that at the symmetry transformation in the compositions with x = 0.25 and 0.29 the structural transition occurs, which is followed by the magnetic transition. These features make the FeXMn1−XS solid solutions interesting for both fundamental study of the interrelation between the magnetic, electrical, and structural properties in MnO-type strongly correlated electron systems and application.

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Abstract

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Paul Scherrer Inst, LNS, CH-5232 Villigen, Switzerland.
Inst Max von Laue Paul Langevin, Grenoble 9, France.
Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Schefer, Juerg; Aliouane, N.; Boehm, M.; Petrakovskiy, G. A.; Петраковский, Герман Антонович; Vorotynov, A. M.; Воротынов, Александр Михайлович; Gorev, M. V.; Горев, Михаил Васильевич; Bovina, A. F.; Бовина, Ася Федоровна; Sokolov, V. V.; Соколов В. В.
}
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18.

Concentration dependence of the spin gap in solid solutions La1−xGdxCoO3−δ / S. G. Ovchinnikov [et al.] // J. Magn. Magn. Mater. - 2015. - Vol. 383. - P. 162-165, DOI 10.1016/j.jmmm.2014.11.083. - Cited References:20. - This work is supported by Siberian Branch of Russian Academy of Sciences (Projects no. 38), RFBR Grants nos. 13-02-00358, 13-02-00958, 13-02-01395, 14-02-31051, and 14-02-00186, and President of Russia Grant no. NSh-2886.2014.2. . - ISSN 0304

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
STATE TRANSITION
   TEMPERATURE
   LACOO3
   GDCOO3
   COBALTITES
Кл.слова (ненормированные):
Strong correlated electron systems -- Spin crossover systems -- Magnetic -- properties -- Solid solutions
Аннотация: The temperature dependence of the static magnetization of polycrystalline rare-earth cobaltites La1−xGdxCoO3−δ (x=0.2, 0.5, 1) was measured in a wide temperature range up to 900 K. The contribution from Co3+ ions at high temperatures to the magnetic susceptibility was obtained. The Birch–Murnaghan equation and the magnetic date were used to determine the spin gap Δ S as the difference between the energies of high-spin and low-spin states in these compounds.

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Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Orlov, Yu. S.; Орлов, Юрий Сергеевич; Dudnikov, V. A.; Дудников, Вячеслав Анатольевич; Vereschagin, S. N.; Perov, N. S.; Siberian Branch of Russian Academy of Sciences [38]; Moscow International Symposium on Magnetism(6 ; 2014 ; June-July ; Moscow)
}
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19.

Investigation of the transport properties of cation-substituted solid solutions Yb x Mn1 − x S / S. S. Aplesnin [et al.] // Phys. Solid State. - 2015. - Vol. 57, Is. 5. - P. 886-890, DOI 10.1134/S1063783415050029. - Cited References:18. - This study was supported by the Russian Foundation for Basic Research (project nos. 12-02-00125_a and 15-02-01445_a). . - ISSN 1063. - ISSN 1090-6460. -

РУБ Physics, Condensed Matter
Рубрики:
ELECTRICAL-PROPERTIES
TRANSITION
GD
Аннотация: The electrical properties and thermopower of solid solutions Yb x Mn1 − x S with substitution concentrations 0 x ≤ 0.2 have been studied in the temperature range of 77–1050 K. It has been found that the electrical conductivity has a semiconducting character, and the thermopower changes its sign from positive to negative as the substitution concentration in Yb x Mn1 − x S increases. It has been established that the activation energy decreases with increasing ytterbium concentration. The model of impurity donor 4f states satisfactorily agrees with the data on the electrical resistivity and the thermopower.

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Публикация на русском языке Исследование транспортных свойств катионзамещенных твердых растворов YbxMn1-xS [Текст] / С. С. Аплеснин [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2015. - Т. 57 Вып. 5. - С. 872-876

Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia.
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia.
Natl Acad Sci Belarus, Sci Pract Mat Res Ctr, Minsk 220072, Byelarus.

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Romanova, O. B.; Романова, Оксана Борисовна; Khar'kov, A. M.; Galyas, A. I.; Russian Foundation for Basic Research [12-02-00125_a, 15-02-01445_a]
}
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20.

Shauro, V. P.
Exact solutions for time-optimal control of spin I=1 by NMR / V. Shauro // Quantum Inf. Process. - 2015. - Vol. 14, Is. 7. - P. 2345-2355, DOI 10.1007/s11128-015-0999-8. - Cited References:34. - The author thanks V.E. Zobov for fruitful discussions. This study was supported by the Russian Foundation for Basic Research, Project No. 14-07-31086. . - ISSN 1570. - ISSN 1573-1332. -

РУБ Physics, Multidisciplinary + Physics, Mathematical
Рубрики:
QUANTUM COMPUTATION
SYSTEMS
Кл.слова (ненормированные):
Quantum gate -- Qutrit -- Time-optimal control -- Nuclear magnetic resonance
Аннотация: We consider the problem of time-optimal control of quadrupole nucleus with the spin I = 1 by NMR. In contrast to the conventional methods based on selective pulses, the control is implemented using nonselective pulses separated by free-evolution intervals. Using the Cartan decomposition, the system of equations is obtained for finding parameters of a control field. Partial time-optimal solutions for the important single-qutrit gates (selective rotations and quantum Fourier transform) are found. The strong dependence of minimum gate implementation times on global phase of the gate is observed. The analytical values of minimum times are consistent with the numerical data.

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Доп.точки доступа:
Шауро, Виталий Павлович; Russian Foundation for Basic Research [14-07-31086]
}
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