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Disorder and phase transitions in oxyfluoride (NH4)(3)Ta(O-2)(2)F-4

Описание

Тип публикации: статья из журнала

Год издания: 2011

Идентификатор DOI: 10.1016/j.jfluchem.2011.05.012

Ключевые слова: Cubic oxyfluorides, Structural disorder, Phase transitions, Entropy, Permittivity, Pressure effect

Аннотация: Calorimetric, X-ray, dielectric and DTA under pressure measurements have been performed on oxyfluoride (NH4)(3)Ta(O-2)(2)F-4. The succession of nonferroelectric phase transitions was found associated with the order-disorder processes. The comparative analysis tantalate with related niobate has revealed the important role of the cenПоказать полностьюtral atom in the physical properties behavior, mechanism of structural distortions and barocaloric effect in oxyfluorides with the eight-coordinated anionic polyhedra. (C) 2011 Elsevier By. All rights reserved.

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Издание

Журнал: JOURNAL OF FLUORINE CHEMISTRY

Выпуск журнала: Vol. 132, Is. 10

Номера страниц: 713-718

ISSN журнала: 00221139

Место издания: LAUSANNE

Издатель: ELSEVIER SCIENCE SA

Персоны

  • Flerov I.N. (Siberian Federal University)
  • Gorev M.V. (Siberian Federal University)
  • Fokina V.D. (L.V. Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences)
  • Bovina A.F. (L.V. Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences)
  • Bogdanov E.V. (L.V. Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences)
  • Pogoreltsev E.I. (L.V. Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences)
  • Laptash N.M. (Institute of Chemistry,Far Eastern Department of RAS)

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