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    Zero linear compressibility in nondense borates with a "Lu-Ban stool"-like structure / X. X. Jiang [et al.] // Adv. Mater. - 2018. - Vol. 30, Is. 32. - Ст. 1801313, DOI 10.1002/adma.201801313. - Cited References: 28. - X.J., Y.Y., and M.M. contributed equally to this work. The authors acknowledge Zhuohong Yin for useful discussions. This work was supported by the National Scientific Foundations of China (Grant Nos. 11474292, 51702330, 11611530680, 91622118, and 91622124), Russian Foundation for Basic Research (Grant No. 17-52-53031), the Special Foundation of the Director of Technical Institute of Physics and Chemistry (TIPC), the China "863" project (No. 2015AA034203), key project of Beijing Synchrotron Radiation Facility and the Youth Innovation Promotion Association, CAS (outstanding member for Z.L. and Grant No. 2017035 for X.J.). . - ISSN 0935-9648. - ISSN 1521-4095
   Перевод заглавия: Нулевое тепловое расширение в неплотных боратах со структурой типа "стула Лю Бана"

РУБ Chemistry, Multidisciplinary + Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
MECHANICAL METAMATERIALS
   PRESSURE
   METABORATE
   STRENGTH
Кл.слова (ненормированные):
borates -- "Lu-Ban stool"-like structure -- ultraviolet transparency -- zero -- linear compressibility
Аннотация: Discovering materials that exhibit zero linear compressibility (ZLC) behavior under hydrostatic pressure is extremely difficult. To date, only a handful of ZLC materials have been found, and almost all of them are ultrahard materials with densified structures. Here, to explore ZLC in nondense materials, a structural model analogous to the structure of the “Lu‐Ban stool,” a product of traditional Chinese woodworking invented 2500 years ago, is proposed. The application of this model to borates leads to the discovery of ZLC in AEB2O4 (AE = Ca and Sr) with the unique “Lu‐Ban stool”‐like structure, which can obtain a subtle mechanical balance between pressure‐induced expansion and contraction effects. Coupled with the very wide ultraviolet transparent windows, the ZLC behavior of AEB2O4 may result in some unique but important applications. The applications of the “Lu‐Ban stool” model open a new route for pursuing ZLC materials in nondense structural systems.

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Держатели документа:
Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China.
Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China.
Univ Bonn, Mulliken Ctr Theoret Chem, Inst Phys & Theoret Chem, D-53115 Bonn, Germany.
China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China.
Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China.
Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.
Tianjin Univ Technol, Inst Funct Crystals, Tianjin 300384, Peoples R China.

Доп.точки доступа:
Jiang, Xingxing; Yang, Y.i.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Gong, Pifu; Liang, Fei; Wang, Shuaihua; Liu, Lei; Wu, Xiang; Li, Xiaodong; Li, Yanchun; Wu, Shaofan; Li, Wei; Wu, Yicheng; Lin, Zheshuai
}
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Yttrium-containing endohedral metallofullerenes: Synthesis and extraction / G. N. Churilov [et al.] // Phys. Solid State. - 2017. - Vol. 59, Is. 8. - P. 1662-1665, DOI 10.1134/S1063783417080054. - Cited References:11. - This study was supported by the Ministry of Education and Science of the Russian Federation, Russian/Japanese Project, agreement no. 14.613.21.0010, ID RFMEFl61314X0010. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
FULLERENES
PRESSURE
PLASMA
Аннотация: Yttrium-containing endohedral metallofullerenes are synthesized in an RF arc discharge in the helium flow with embedded Y2O3. It is shown that the formation of the metallofullerenes depends on the helium pressure in a chamber; however, this dependence cannot be explained using the model of formation of conventional fullerenes without a guest atom in a molecule. The results of extraction of Y@C-82 by pyridine and carbon disulfide are reported. The pressure corresponding to the maximum yttrium-containing endohedral metallofullerene content is shown to be 60 kPa; under this pressure, extraction by carbon disulfide allows obtaining 27.1 wt % of the endohedral metallofullerene, while extraction by pyridine yields its amount of 17.3 wt %.

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Публикация на русском языке Эндоэдральные металлофуллерены с иттрием: синтез и выделение [Текст] / Г. Н. Чурилов [и др.] // Физ. тверд. тела. - 2017. - Т. 59 Вып. 8. - С. 1638-1641

Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Fed Res Ctr KSC SB RAS, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Vnukova, N. G.; Внукова, Наталья Григорьевна; Tomashevich, E. V.; Dudnik, A. I.; Дудник, Александр Иванович; Glushchenko, G. A.; Глущенко, Гарий Анатольевич; Dubinina, I. A.; Дубинина, Ирина Александровна; Gulyaeva, U. E.; Гуляева, Ульяна Евгеньевна; Mel'nikova, E. I.; Ministry of Education and Science of the Russian Federation, Russian/Japanese Project [14.613.21.0010, RFMEFl61314X0010]
}
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Gavrilyuk, S. A.
Three-dimensional interference effects in the mechanical action of weak biharmonic fields upon particles with the J=0 - J=1 quantum transition / S. A. Gavrilyuk, I. V. Krasnov, S. P. Polyutov // J. Exp. Theor. Phys. - 2001. - Vol. 93, Is. 5. - P. 985-997, DOI 10.1134/1.1427110. - Cited References: 29 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
ATOM TRAP
   FORCE
   PRESSURE
   PLASMA
   WAVES
Аннотация: Explicit expressions are derived for the rectified radiative forces (RRFs) related to the action of a weak interfering optical field of an arbitrary three-dimensional (3D) configuration upon resonance particles featuring the J = 0 -- J = 1 quantum transition. It is shown that, in contrast to the case of a monochromatic field, there are simple 3D biharmonic field configurations for which the ratio of the vortex and potential RRF components can be controlled by adjusting frequencies and polarizations of the interfering light waves. This modification of the RRF structure gives rise to qualitatively different types of both vortex and potential light-induced particle motions that may lead to a 3D spatial localization (confinement) of these particles within the cells of an effective optical lattice with a period significantly greater than the light wavelength. In particular, the particles may perform a stable rotational motion along closed trajectories inside the elementary cells. (C) 2001 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, Inst Computat Modeling, Siberian Div, Krasnoyarsk 660036, Russia
ИВМ СО РАН

Доп.точки доступа:
Krasnov, I. V.; Polyutov, S. P.
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Thermal, structural, optical, dielectric and barocaloric properties at ferroelastic phase transition in trigonal (NH4)2SnF6: A new look at the old compound / I. N. Flerov [et al.] // J. Fluor. Chem. - 2016. - Vol. 183. - P. 1-9, DOI 10.1016/j.jfluchem.2015.12.010. - Cited References: 25. - The reported study was partially supported by RFBR, research project No. 15-02-02009a. . - ISSN 0022-1139

РУБ Chemistry, Inorganic & Nuclear + Chemistry, Organic
Рубрики:
Heat-capacity
   Ammonium
   (NH4)3TiF7
   Pressure
Кл.слова (ненормированные):
Fluorides -- Structural disorder -- Phase transitions -- Entropy -- Barocaloric effect
Аннотация: Structural phase transition P-3m1 → P-1 of the first order and nonferroelectric nature was found in (NH4)2SnF6 at about 110 K in the process of thermal, optical, dielectric and X-ray studies. Order-disorder transformation is accompanied by large changes of entropy (ΔS0 = 16.4 J/mol K) and volume (ΔV0/V ≈ 1%). The structural model associated with three orientations of NH4 tetrahedra in P-3m1 phase and their complete ordering in P-1 phase was suggested with the entropy change (ΔS0 = 18.3 J/mol K) close to the experimental value. A good agreement between baric coefficients measured in a direct way (dT0/dp = -157 K/GPa) and evaluated using entropy and volume changes at phase transition (-170 K/GPa) was found. Barocaloric effects in (NH4)2SnF6 are comparable with those of known solid state refrigerants and are characterised by a low-pressure need for realising their maximum values. © 2015 Elsevier B.V. All rights reserved.

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Держатели документа:
Kirensky Institute of Physics, Siberian Branch of RAS, Akademgorodok 50, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radioelectronics, Siberian State University, Krasnoyarsk, Russian Federation
Astafijev Krasnoyarsk State Pedagogical University, Krasnoyarsk, Russian Federation
Krasnoyarsk State Agrarian University, Krasnoyarsk, Russian Federation
Far Eastern State Transport University, Khabarovsk, Russian Federation
Institute of Chemistry, Far Eastern Branch of RAS, Vladivostok, Russian Federation

Доп.точки доступа:
Flerov, I. N.; Флёров, Игорь Николаевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Gorev, M. V.; Горев, Михаил Васильевич; Bogdanov, E. V.; Богданов, Евгений Витальевич; Mel'nikova, S. V.; Мельникова, Светлана Владимировна; Molokeev, M. S.; Молокеев, Максим Сергеевич; Pogoreltsev, E. I.; Погорельцев, Евгений Ильич; Laptash, N. M.
}
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The spin-wave resonance study of concentrational inhomogeneities in nanocrystalline Ni-Fe-P and Ni-Fe-C alloys / R. S. Iskhakov [et al.] // Tech. Phys. Lett. - 2001. - Vol. 27, Is. 4. - P. 344-347, DOI 10.1134/1.1370222. - Cited References: 16 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
PULSED PLASMA VAPORIZATION
FILMS
PRESSURE
Аннотация: The films of nanocrystalline Fe-Ni alloys obtained by various methods in the permalloy composition range (similar to 20 at. % Fe) were studied by the method of spin-wave resonance (SWR) spectroscopy. The effective SW exchange stiffness eta (eff) exhibits a characteristic dependence on the spin wavelength, which is indicative of the magnetization fluctuations in these films with a correlation radius of 12-20 nm. This is indirect evidence of the microphase separation in these nanocrystalline alloys and provides an estimate of the characteristic spatial size of an inhomogeneity in the atomic ratio X-Fe/X-Ni . (C) 2001 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, KIrenskii Inst Phys, Siberian Div, Krasnoyarsk, Russia
ИФ СО РАН
Kirenskii Inst. of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Prokof'ev, D. E.; Chekanova, L. A.; Чеканова, Лидия Александровна; Zhigalov, V. S.; Жигалов, Виктор Степанович
}
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Raman investigation of hydrostatic and nonhydrostatic compressions of OH- and F-apophyllites up to 8 GPa / S. V. Goryainov [et al.] // J. Raman Spectrosc. - 2012. - Vol. 43, Is. 3. - P. 439-447, DOI 10.1002/jrs.3049. - Cited References: 18. - This work was supported by the Siberian Division of RAS (Integration Project 109), the Russian Ministry of Science and Education and the CRDF (BRHE - REC-008 grant) and the Russian Foundation for Basic Research (RFBR-11-05-01121). . - ISSN 0377-0486

РУБ Spectroscopy
Рубрики:
RADIATION-INDUCED DEFECTS
   ALPHA-QUARTZ
   ROOM-TEMPERATURE
   MEMORY GLASS
   PRESSURE
   FLUORAPOPHYLLITE
   PHASE
   MODEL
Кл.слова (ненормированные):
Raman spectroscopy -- high pressure -- apophyllite -- layer silicate -- amorphization
Аннотация: Layer silicates F- and OH-apophyllites, KCa4Si8O20(F, OH)·8H2O, have been investigated by Raman spectroscopy at hydrostatic and nonhydrostatic pressures up to 8 GPa in diamond anvil cells using a 4 : 1 methanol–ethanol mix as pressure-transmitting medium. Our experiments show that at hydrostatic compression, apophyllites retain their crystalline states (i.e. no amorphization) up to 5 GPa. The wavenumbers of most bands exhibit linear dependences on pressure, except for a few ones, e.g. at 162 and 3565 cm–1 in OH-form (160.5 and 3558 cm–1 in F-form) that show nonlinear dependences. Nonhydrostatic compression with additional uniaxial loading induces amorphization of apophyllites. The majority of the bands in OH-apophyllite decreases markedly in intensity and shows considerable broadening under nonhydrostatic compression up to 3–6 GPa. In addition, the wavenumbers of several bands at nonhydrostatic compression exhibit considerable nonlinear dependences on pressure with strong hysteresis. These bands are mainly associated with vibrations of the interlayer ions and molecules and also of stretching and bending silicate sheets, hence being highly sensitive to the interlayer distance. Finally, we have calculated the lattice dynamics of F-apophyllite and interpreted the majority of bands, and these data are used to explain the complex baric behavior of the bands. Copyright © 2011 John Wiley & Sons, Ltd.

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Держатели документа:
[Goryainov, Sergei V.
Madyukov, Iliya A.] SB RAS, Inst Geol & Mineral, Novosibirsk 630090, Russia
[Goryainov, Sergei V.
Pan, Yuanming] Univ Saskatchewan, Dept Geol Sci, Saskatoon, SK S7N 5E2, Canada
[Goryainov, Sergei V.] Novosibirsk State Univ, Novosibirsk 630090, Russia
[Krylov, Alexander S.
Vtyurin, Alexander N.] SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Smirnov, Mikhail B.] St Petersburg State Univ, Fac Phys, St Petersburg 198504, Russia

Доп.точки доступа:
Goryainov, S. V.; Krylov, A. S.; Крылов, Александр Сергеевич; Pan, Y. M.; Madyukov, I. A.; Smirnov, M. B.; Vtyurin, A. N.; Втюрин, Александр Николаевич
}
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GOREV, M. V.
PHASE-P-T DIAGRAMS OF CS2RBDYF6 AND CS2NATMBR6 ELPASOLITES / M. V. GOREV, I. N. FLEROV // Fiz. Tverd. Tela. - 1992. - Vol. 34, Is. 8. - P. 2614-2618. - Cited References: 14 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
THERMODYNAMIC PROPERTIES
   TRANSITIONS
   CS2NANDCL6
   PRESSURE
   MODE

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Доп.точки доступа:
FLEROV, I. N.
}
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Mossbauer studies of FexMn1-xS single crystals / G. M. Abramova [et al.] // Phys. Solid State. - 2008. - Vol. 50, Is. 2. - P. 237-240, DOI 10.1134/S1063783408020042. - Cited References: 16 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
METAL-INSULATOR-TRANSITION
   MAGNETIC-PROPERTIES
   ALPHA-MNS
   SULFIDES
   MAGNETORESISTANCE
   PRESSURE
   SYSTEM
   OXIDES
Аннотация: Single crystals of iron manganese sulfides FexMn1-xS (0.25

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Держатели документа:
[Abramova, G. M.
Petrakovskii, G. A.
Bayukov, O. A.
Bovina, A. F.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Varnek, V. A.
Sokolov, V. V.] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia
ИФ СО РАН

Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Petrakovskii, G. A.; Петраковский, Герман Антонович; Bayukov, O. A.; Баюков, Олег Артемьевич; Varnek, V. A.; Sokolov, V. V.; Bovina, A. F.; Бовина, Ася Федоровна
}
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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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10.

    Magnetism in spin crossover systems: Short-range order and effects beyond the Heisenberg model / V. I. Kuz'min [et al.] // Phys. Rev. B. - 2019. - Vol. 100, Is. 14. - Ст. 144429, DOI 10.1103/PhysRevB.100.144429. - Cited References: 72. - The authors thank the Russian Scientific Foundation for the financial support under Grant No. 18-12-00022. . - ISSN 2469-9950. - ISSN 2469-9969
   Перевод заглавия: Магнетизм в системах со спиновыми кроссоверами: ближний порядок и эффекты за пределами модели Гейзенберга

РУБ Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
LOWER-MANTLE
   STATE
   TRANSITION
   PRESSURE
   IRON
   SUSCEPTIBILITY
Аннотация: To study non-Heisenberg effects in the vicinity of spin crossover in strongly correlated electron systems we derive an effective low-energy Hamiltonian for the two-band Kanamori model. It contains a Heisenberg high-spin term proportional to exchange constant as well as a low-spin term proportional to spin gap parameter ɛs. Using cluster mean field theory we obtain several non-Heisenberg effects. Near the critical value of spin gap ɛcs there is a magnetic phase transition of first order. In the vicinity of ɛcs in the paramagnetic phase we observe nontrivial behavior of the Curie constant in the paramagnetic susceptibility in the wide range of temperature. Reentrant temperature behavior of nearest-neighbor spin-spin correlations is observed at ɛsɛcs. Finally, the pressure-temperature magnetic phase diagram for ferroperriclase is obtained using the effective Hamiltonian.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Fed Res Ctr KSC SB RAS, Sukhachov Inst Forest, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kuz'min, V. I.; Кузьмин, Валерий Ипполитович; Orlov, Yu. S.; Орлов, Юрий Сергеевич; Zarubin, A. E.; Ovchinnikova, T. M.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Russian Scientific FoundationRussian Science Foundation (RSF) [18-12-00022]
}
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