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1.


    Aleksandrov, K. S.
    Architecture and properties of perovskite-like crystals / K. S. Aleksandrov, B. V. Beznosikov // Ferroelectrics. - 1999. - Vol. 226, Is. 1-4. - P. 1-9, DOI 10.1080/00150199908230285. - Cited References: 9 . - ISSN 0015-0193
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter

Кл.слова (ненормированные):
perovskites -- perovskite-like crystals -- new representatives of Ruddlesden-Popper's phases -- New representatives of Ruddlesden-Popper's phases -- Perovskite-like crystals -- Perovskites
Аннотация: A variety of the known structures of perovskite-like crystals including cation- and anion-deficient phases were considered as the intergrowth systems of slabs containing n-layers (n = 1,2, 3,...infinity) of corner-linked octahedra BX6, pyramids EX5 or square-planar nets BX4 (B-cation, X- anion) linked by intermediate blocks of different types.([1- 3]) Some new structural types and new representatives of ferroelectrics, ferroelastics and HTSC's can be constructed on this basis. The prognosis of new possible representatives in Ruddlesden-Popper's family is discussed.
A variety of the known structures of perovskite-like crystals including cation- and anion-deficient phases were considered as the intergrowth systems of slabs containing n-layers (n = 1, 2, 3, . . . ?) of corner-linked octahedra BX6, pyramids BX5 or square-planar nets BX4 (B-cation, X-anion) linked by intermediate blocks of different types.[1-3] Some new structural types and new representatives of ferroelectrics, ferroelastics and HTSC's can be constructed on this basis. The prognosis of new possible representatives in Ruddlesden-Popper's family is discussed.

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Доп.точки доступа:
Beznosikov, B. V.; Безносиков, Борис Валерьевич; Александров, Кирилл Сергеевич; USA-CIS-Baltic Seminar on Ferroelectricity(3 ; Jun 01-06, 1997 ; Bozeman, Montana)
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2.


    Aleksandrov, K. S.
    Architecture of perovskite-like ferroelectrics and HT-supercoductors / K. S. Aleksandrov, B. V. Beznosikov // J. Korean Phys. Soc. - 1998. - Vol. 32: Suppl. - P. S1790-S1792. - Cited References: 7 . - ISSN 0374-4884
РУБ Physics, Multidisciplinary

Аннотация: Structures of the known perovskite-like crystals are considered as the systems of slabs containing n layers (n = 1, 2,..., infinity) vertices-linked octahedra BX6, pyramids BX5 or planar square nets BX4 (B - cation, X - anion) intergrowing with blocks of different types. Using these fragments whole variety of stoichiometric, cation-and anion-deficient structures can be constructed and many new perovskite-like layered crystals including ferroelectrics, ferroelastics and HTSC's may be found.

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Доп.точки доступа:
Beznosikov, B. V.; Безносиков, Борис Валерьевич; Александров, Кирилл Сергеевич; International Meeting on Ferroelectricity(9 ; 1997 ; 25-29 Aug. ; Seoul, South Korea)
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3.


    Aleksandrov, K. S.
    Guest editorial / K. S. Aleksandrov, J. Kobayashi // Ferroelectrics. - 1985. - Vol. 63, Is. 1. - P. III-IV, DOI 10.1080/00150198508221378 . - ISSN 0015-0193

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Доп.точки доступа:
Kobayashi, J.; Александров, Кирилл Сергеевич
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4.


    Aleksandrov, K. S.
    Mechanisms of the ferroelectric and structural phase transitions. Structural distortions in perovskites / K. S. Aleksandrov // Ferroelectrics. - 1978. - Vol. 20, Spesial issue. - P. 61-67DOI 10.1080/00150197808239430

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Доп.точки доступа:
Александров, Кирилл Сергеевич; International meeting on ferroelectricity(4 ; 1977 ; 18-23 Sept. ; Leningrad)
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5.


    Aleksandrov, K. S.
    Phase transitions in crystals related to α-K2SO4 / K. S. Aleksandrov, B. V. Beznosikov // Ferroelectrics. - 1991. - Vol. 117, Is. 1. - P. 331-345, DOI 10.1080/00150199108222426. - Cited References: 20 . - ISSN 0015-0193
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter

Аннотация: Sequences of phase transitions (PT's) related to α-K2SO4 prototype (G0) are considered as the ordered phases mainly due to orientational ordering of tetrahedral groups. Possibilities of statistical models with four and twelve states in G0 are compared. Last model allows to describe PT's from G0 to all known relative structures including K2MoO4-, Sr2GeS4- and Na2SO4III-types. PT's in CsLiCrO4, Cs2CdI4 and sequence of PT's in KLiSO4 are considered as examples.

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Доп.точки доступа:
Beznosikov, B. V.; Безносиков, Борис Валерьевич; Александров, Кирилл Сергеевич
}
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6.


    Aleksandrov, K. S.
    Preface / K. S. Aleksandrov, G. W. Taylor // Ferroelectrics. - 1991. - Vol. 117, Is. 1. - P. XIDOI 10.1080/00150199108222396. - Библиогр.: 75 назв.

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Доп.точки доступа:
Taylor, G. W.; Александров, Кирилл Сергеевич
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7.


    Aleksandrov, K. S.
    Spectroscopic investigation of phase transitions in CsLiMoO//4 crystals. / K. S. Aleksandrov, Yu. N. Ivanov, A. D. Schafer // Ferroelectrics. - 1983. - Vol. 55, Is. 1. - P. 671-674 . - ISSN 0015-0193
Кл.слова (ненормированные):
CRYSTALS - Structure -- MAGNETIC RESONANCE -- SPECTROSCOPY, RAMAN -- CESIUM LITHIUM MOLYBDATE -- PHASE TRANSITIONS -- FERROELECTRIC MATERIALS
Аннотация: Raman and NMR spectra in cubic and two distorted phases of CsLiMoO//4 have been studied. Phase transitions in the crystal are shown to belong to order-disorder type.

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Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Schafer, A. D.; Александров, Кирилл Сергеевич; European Meeting on Ferroelectricity(5 ; 1983 ; Sept. ; 26-30 ; Malaga, Sp)
}
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8.


    Aleksandrov, K. S.
    Spectroscopic investigation of phase-transitions in CsLiMoO4 crystals / K. S. Aleksandrov, Y. N. Ivanov, A. D. SCHAFER // Ferroelectrics. - 1984. - Vol. 55, Is. 1. - P. 671-674, DOI 10.1080/00150198408015320. - Cited References: 4 . - ISSN 0015-0193
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter

Аннотация: Raman and NMR spectra in cubic and two distorted phases of CsLiMoO4 have been studied. Phase transitions in the crystal are shown to belong to order-disorder type.

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Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Schafer, A. D.; Александров, Кирилл Сергеевич
}
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9.


    Aleksandrov, K. S.
    Structural aspects of phase transitions in crystals / K. S. Aleksandrov // Ferroelectrics. - 1983. - Vol. 53, Is. 1. - P. 153-154, DOI 10.1080/00150198408245044 . - ISSN 0015-0193
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter

Кл.слова (ненормированные):
FERROELECTRIC MATERIALS -- LITHIUM COMPOUNDS - X-Ray Analysis -- PHASE TRANSITIONS -- CRYSTALS
Аннотация: Modern X-ray methods obtain in a short time the complete set of structural amplitudes and solve a crystal structure at constant temperatures (or pressures) on both sides of phase transition. A review of structure investigations with the crystals having the common formula Me prime Me double prime BX//4 (Me prime , Me double prime equals Li, Na, K, Rb, Cs, NH//4 and H; BX//4**2** plus equals SO//4, SeO//4, BeF//4, ZnCl//4) is presented.

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Доп.точки доступа:
Александров, Кирилл Сергеевич; European Meeting on Ferroelectricity(5 ; 1983 ; Sept. ; 26-30 ; Malaga, Sp)
}
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10.


    Aleksandrov, K. S.
    Successive phase transitions in perovskites. II. Structures of distorted phases / K. S. Aleksandrov // Ferroelectrics. - 1976. - Vol. 12, Spesial issue. - P. 197-198DOI 10.1080/00150197608241424
Аннотация: Estimation of atomic displacements from the unit cell distortions is discussed for the perovskites having successive structural phase transitions. The distorted structures of CsPbCl3 and CsSrCl3 are proposed.

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Доп.точки доступа:
Beznosikov, B. V.; Безносиков, Борис Валерьевич; Posdnjakova, L. A.; Александров, Кирилл Сергеевич; European meeting on ferroelectricity(3 ; 1976 ; Sept. 22-26 ; Zurich)
}
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11.


    Aleksandrov, K. S.
    Successive structural phase-transitions in layered crystals. 1. TlAlF4 type crystals / K. S. Aleksandrov, B. V. Beznosikov, S. V. Misyul // Ferroelectrics. - 1987. - Vol. 73, Is. 1. - P. 201-220, DOI 10.1080/00150198708227918. - Cited References: 50 . - ISSN 0015-0193
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter

Аннотация: Rotational distortions due to octahedral tilts and possible ways of successive phase transitions are considered in crystals of TIAIF4-type structure. Crystallographical and group-theoretical analysis of possible transitions from the initial space group D14h was performed. It is shown that in some crystals of the studied type there exist the examples of distortional polytypism, i.e., different types of octahedral tilts in the neighbour layers which have been equivalent in the initial phase.

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Доп.точки доступа:
Beznosikov, B. V.; Безносиков, Борис Валерьевич; Misyul, S. V.; Мисюль, Сергей Валентинович; Александров, Кирилл Сергеевич
}
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12.


    Aleksandrov, K. S.
    Symmetrical analysis of structural phase transitions in crystals with the Oh 5 space group / K. S. Aleksandrov, S. V. Misyul, E. E. Baturinets // Ferroelectrics. - 2007. - Vol. 354, Is. 1. - P. 60-68, DOI 10.1080/00150190701454529. - Cited References: 13 . - ISSN 0015-0193
Кл.слова (ненормированные):
Complete condensate of order parameters -- Elpasolites -- Group-theoretical methods -- Phase transitions -- Elpasolites -- Experimental data -- Group-theoretical methods -- Order parameter -- Permutation representation -- Space Groups -- Structural phase transition -- Ammonium compounds -- Crystals -- Halide minerals -- Phase transitions
Аннотация: Using the group-theoretical methods, the complete set of critical and noncritical order parameters arising at phase transitions in crystals with the Oh 5- Fm3m space group has been obtained and analyzed. The mechanical and permutation representations have been constructed, and their composition for all the right systems of points of the Oh 5 space group has been determined. Experimental data on structural phase transitions in ammonium cryolites and elpasolites have been considered.

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Держатели документа:
Siberian Federal University, 660041 Krasnoyarsk, Russian Federation
L. V. Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Scientific and Research Institute of Physics, Southern Federal University, 344090 Rostov-on-Don, Russian Federation

Доп.точки доступа:
Misyul, S. V.; Мисюль, Сергей Валентинович; Baturinets, E. E.; Александров, Кирилл Сергеевич
}
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13.


    Aleksandrov, K. S.
    The sequences of structural phase transitions in perovskites / K. S. Aleksandrov // Ferroelectrics. - 1976. - Vol. 14, Is. 1. - P. 801-805DOI 10.1080/00150197608237799
Аннотация: A classification of the octahedral tilt systems in perovskites is given, based on the work of Glazer1 but extending it and using a new notation; this leads to a simple description of the sequences of phase transitions, and shows how they are related to the soft modes M3 and R25. Examples from the literature are discussed.

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Доп.точки доступа:
Александров, Кирилл Сергеевич
}
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14.


    Aleksandrov, K. S.
    X-ray and optic investigations of phase-transition in cslicro4 crystal / K. S. Aleksandrov, S. V. Mel'nikova, A. I. Kruglik // Ferroelectrics. - 1988. - Vol. 81, Is. 1. - P. 153-156, DOI 10.1080/00150198808008833. - Cited References: 2 . - ISSN 0015-0193
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter

Аннотация: The study of optical properties and X-ray investigations were carried out in CsLiCrO4crystal. It was found (is discussed) an unusual 4 temperature dependence of optical indicatrix rotation and monoclinic angles.

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Доп.точки доступа:
Mel'nikova, S. V.; Мельникова, Светлана Владимировна; Kruglik, A. I.; Александров, Кирилл Сергеевич
}
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15.


    Aleksandrova, I. P.
    Dielectric permittivity behavior at nonequilibrium processes in nh4hseo4 ferroelectrics / I. P. Aleksandrova, I. V. Seryukova, L. I. Zherebtsova // Fiz. Tverd. Tela. - 1985. - Vol. 27, Is. 11. - P. 3438-3441. - Cited References: 5 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


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Доп.точки доступа:
Seryukova, I. V.; Zherebtsova, L. I.; Александрова, Инга Петровна
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16.


    Aleksandrova, I. P.
    The ferroelectric and pressure induced phase transitions in LiNH4SO4 / I. P. Aleksandrova, T. I. Shekmasova // Ferroelectrics. - 1978. - Vol. 20, Spesial issue. - P. 283-284DOI 10.1080/00150197808237237
Аннотация: The model and statistical description of the phase transitions in LiNH4SO4 were proposed. The nmr investigation of the high pressure phase was carried out.

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Доп.точки доступа:
Shekmasova, T. I.; Александрова, Инга Петровна; International meeting on ferroelectricity(4 ; 1977 ; 18-23 Sept. ; Leningrad)
}
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17.


    Andryushin, N. D.
    Lattice dynamics in improper ferroelectric YGaO3 / N. D. Andryushin, M. S. Pavlovskiy, V. I. Zinenko // Ferroelectrics. - 2020. - Vol. 567, Is. 1 : Special Issue in Honor of Professor Stanislav A. Grindev on the Occasion of His 83rd Birthday. - P. 28-36, DOI 10.1080/00150193.2020.1791584. - Cited References: 19. - This study was supported by the Russian Foundation for Basic Research and Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund by project No. 18-02-00130 . - ISSN 0015-0193
Кл.слова (ненормированные):
YGaO3 -- lattice dynamics -- phase transition -- improper ferroelectric
Аннотация: The structural phase transition P63/mmc → P63cm in hexagonal YGaO3 crystal is studied by first-principles methods. From lattice dynamics calculations it was obtained that the mechanism of transition into polar phase is similar to the one in isostructural YMnO3 crystal. As a result of calculations the improper ferroelectricity and electrical polarization were revealed in YGaO3.

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Держатели документа:
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Pavlovskiy, M. S.; Павловский, Максим Сергеевич; Zinenko, V. I.; Зиненко, Виктор Иванович; Андрюшин, Никита Дмитриевич
}
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18.


   
    Anisotropy of piezocaloric effect at ferroelectric phase transitions in ammonium hydrogen sulphate / E. A. Mikhaleva, M. V. Gorev, M. S. Molokeev [et al.] // J. Alloys Compd. - 2020. - Vol. 839. - Ст. 155085, DOI 10.1016/j.jallcom.2020.155085. - Cited References: 31. - The reported study was supported by the Russian Science Foundation (project no. 19-72-00023 ). X-ray and dilatometric data were obtained using the equipment of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center "Krasnoyarsk Science Center SB RAS" . - ISSN 0925-8388
Кл.слова (ненормированные):
Piezocaloric effect -- Phase transition -- Ferroelectrics -- Thermal expansion -- High-pressure -- Entropy
Аннотация: The role of anisotropy of the thermal expansion in formation of piezocaloric effect (PCE) near ferroelectric phase transitions in NH4HSO4 was studied. Strong difference in linear baric coefficients and as a result in intensive and extensive PCE associated with the different crystallographic axes was found. PCE giving the main contribution to the barocaloric effect were determined at both phase transitions. Rather strong effect of the lattice dilatation on the tuning of PCE was observed. Comparative analysis of PCE at the phase transitions in different materials showed that NH4HSO4 can be considered as a promising solid-state refrigerant. A hypothetical cooling cycle based on alternate using uniaxial pressure along two axes was considered.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, 660074, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Astafijev Krasnoyarsk State Pedagogical University, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич
}
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19.


   
    Barocaloric effect in ferroelastic fluorides and oxyfluorides / I. N. Flerov [et al.] // Ferroelectrics. - 2016. - Vol. 500, Is. 1. - P. 153-163, DOI 10.1080/00150193.2016.1214525. - Библиогр.: 33. - The reported study was partially supported by the Russian Foundation for Basic Research (RFBR), research project No. 15-02-02009 a. . - ISSN 0015-0193
Кл.слова (ненормированные):
Phase transition -- fluorides -- oxyfluorides -- thermal properties -- barocaloric effect
Аннотация: Using the data about the temperature - pressure phase diagram and the phase transition entropy at ambient and high pressure, intensive and extensive barocaloric effects were analyzed in the region of single and successive order-disorder phase transitions in fluorides and oxyfluorides with the elpasolites-cryolite structure. It was found that hydrostatic as well as chemical pressure are the effective tools to change the entropy of compounds with disordered ionic groups or atoms in structure and to realize the significant intensive and extensive barocaloric effects comparable with the values of baro- and magnetocaloric effects, characteristic for materials, considered as promising solid refrigerants. © 2016 Taylor & Francis Group, LLC.

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Держатели документа:
Kirensky Institute of Physics, Siberian Department of RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Krasnoyarsk State Agrarian University, Krasnoyarsk, Russian Federation
Institute of Chemistry, Far Eastern Department of RAS, Vladivostok, Russian Federation

Доп.точки доступа:
Flerov, I. N.; Флёров, Игорь Николаевич; Gorev, M. V.; Горев, Михаил Васильевич; Bogdanov, E. V.; Богданов, Евгений Витальевич; Laptash, N. M.
}
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20.


   
    Barocaloric effect in oxyfluorides Rb2KTiOF5 and (NH4)2NbOF5 / M. V. Gorev, E. V. Bogdanov [et al.] // The 12th International Meeting on Ferroelectricity and 18th IEEE International Symposium on Applications of Ferroelectrics (IMF-ISAF 2009) : Xi'an, China, August 23-27, 2009 . - 2009


Доп.точки доступа:
Gorev, M.V.; Bogdanov, E.V.; Flerov, I.N.; Laptash, N.M.; IEEE International Symposium on Applications of Ferroelectrics(18 ; 2009 ; Aug ; Xi'an, China); International Meeting on Ferroelectricity(12 ; 2009 ; Aug ; Xi'an, China)
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