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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 crystals / K. S. Aleksandrov, B. V. Beznosikov // Crystallogr. Rep. - 1997. - Vol. 42, Is. 4. - P. 556-566 . - ISSN 1063-7745
Аннотация: The structures of the well-known perovskite-like crystals, including stoichiometric and both cation- and anion-dencient compounds, are considered as intergrowth systems of stacks consisting either of n layers (n = 1 - ?) connected via the vertices of the BX6 octahedra or of combinations of layers of octahedra, BX5 pyramids, and planar networks of BX4 squares with intermediate block layers of various types. The classification of stacks and block layers in these structures is suggested. Based on this classification, the known structure types are considered and new structure types, including various possible superconductor structures, are predicted.

Scopus

Публикация на русском языке Александров, Кирилл Сергеевич. Архитектура перовскитоподобных кристаллов [Текст] / К. С. Александров, Б. В. Безносиков // Кристаллография. - 1997. - Т. 42 Вып. 4. - С. 613-623


Доп.точки доступа:
Beznosikov, B. V.; Безносиков, Борис Валерьевич; Александров, Кирилл Сергеевич
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3.


    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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4.


    Aleksandrov, K. S.
    Behaviour of the elastic constants of KMnF3 single crystals near the transition of puckering / K. S. Aleksandrov, L. M. Reshchikova, B. V. Beznosikov // Phys. Status Solidi. - 1966. - Vol. 17, Is. 1. - P. K17-K20, DOI 10.1002/pssb.19660180149. - Cited References: 7 . - ISSN 0370-1972
   Перевод заглавия: Поведение упругих констант вблизи перехода смятия

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Доп.точки доступа:
Reshchikova, L. M.; Beznosikov, B. V.; Безносиков, Борис Валерьевич; Александров, Кирилл Сергеевич
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5.


    Aleksandrov, K. S.
    Crystal chemistry and prediction of compounds with a structure of skutterudite type / K. S. Aleksandrov, B. V. Beznosikov // Crystallogr. Rep. - 2007. - Vol. 52, Is. 1. - P. 28-36, DOI 10.1134/S106377450701004X. - Cited References: 47 . - ISSN 1063-7745
Рубрики:
SUPERCONDUCTOR PROS4SB12
   MAGNETIC-PROPERTIES

   HIGH-PRESSURE

   RARE-EARTH

   TRANSITION

   LAFE4P12

Аннотация: Crystallochemical analysis of skutterudite-type structures in the BX3, AB(4)X(12), and A B-3' B4O12 compositions (A and B are metals; X = P, As, Sb) has been performed. Probable regions of structure formation are determined, thereby indicating that more than 270 new compounds of the AB4X12 composition can be synthesized.(1)

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Публикация на русском языке Александров, Кирилл Сергеевич. Кристаллохимия и прогноз соединений со структурой типа скуттерудита [Текст] / К. С. Александров, Б. В. Безносиков // Кристаллография. - 2007. - Т. 52 Вып. 1. - С. 32-40

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН

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


    Aleksandrov, K. S.
    Hierarchies of perovskite-like crystals (Review) / K. S. Aleksandrov, V. V. Beznosikov // Phys. Solid State. - 1997. - Vol. 39, Is. 5. - P. 695-715, DOI 10.1134/1.1130120. - Cited References: 143 . - ISSN 1063-7834
Рубрики:
CU-O SYSTEM
   HIGH-PRESSURE SYNTHESIS

   SUPERCONDUCTING COPPER OXIDES

   STRUCTURAL PHASE-TRANSITIONS

   NEUTRON POWDER DIFFRACTION

   SINGLE-CRYSTAL

   X-RAY

   CUPRATE SUPERCONDUCTORS

   DIELECTRIC-PROPERTIES

   HOMOLOGOUS SERIES

Аннотация: A system of mutual relationships (a hierarchy) is constructed between various perovskite-like crystal structures based on available structural data. All the perovskite-like structures are characterized by a common indicator of their relationship-the presence of layers, stacks, or frameworks made up of BX6 octahedra linked at their vertices (where B is a cation, X is an anion) or fragments of octahedra in the form of BX5 pyramids or BX4 squares in anion-deficient compounds. In layered structures, these stacks are joined to each other by various intermediate blocks. It is well known that one homological series of compounds is constructed by increasing the number of layers in a stack while preserving the same kind of connecting block. Crystals of various series that contain identical stacks (but different blocks of one or two types) can also be related to one another via this feature. The hierarchical system includes compounds with small distortions in their structures for various reasons. (C) 1997 American Institute of Physics.

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Публикация на русском языке Александров, Кирилл Сергеевич. Иерархия перовскитоподобных кристаллов (Обзор) [Текст] / К. С. Александров, Б. В. Безносиков // Физ. тверд. тела. - Санкт-Петербург, 1997. - Т. 39 Вып. 5. - С. 785-808


Доп.точки доступа:
Beznosikov, B. V.; Безносиков, Борис Валерьевич; Александров, Кирилл Сергеевич
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7.


    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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8.


    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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9.


    Aleksandrov, K. S.
    Successive phase-transitions in crystals of K2MGF4-type structure / K. S. Aleksandrov, B. V. Beznosikov, S. V. Misyul // Phys. Status Solidi A. - 1987. - Vol. 104, Is. 2. - P. 529-543, DOI 10.1002/pssa.2211040204. - Cited References: 66 . - ISSN 0031-8965
РУБ Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter


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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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10.


    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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