Forms of solid solution ordering upon decreasing temperature

S. K. Filatov, A. P. Shablinskii, S. N. Volkov, R. S. Bubnova

Research output

Abstract

The work reports different forms of solid solution ordering: from the well-known atom redistribution processes over positions and the decomposition of the solid solution to the formation of superstructures, modulated structures, rotation of atomic groups, splitting of sites. For each ordering form as a crystal chemical phenomenon the position of atoms, molecules, and vacancies in the crystal structure of the solid solution is considered and the place of these processes among the main crystal chemical phenomena is determined. The manifestation of order–disorder processes in phase diagrams of systems is also analyzed: from the classical heterogeneous decomposition of solid solutions to the formation of ordered chemical compounds and other phase transitions. The necessity of a thorough study of the atomic-molecular nature of the solid solution ordering by modern X-ray diffraction crystallographic methods and high-resolution electron microscopy is demonstrated. For each ordering form examples are given, the driving force of the process is distinguished, and a brief literature review is presented.

Original languageEnglish
Pages (from-to)135-158
Number of pages24
JournalJournal of Structural Chemistry
Volume58
Issue number1
DOIs
Publication statusPublished - 1 Jan 2017

Fingerprint

Solid solutions
solid solutions
Temperature
temperature
Decomposition
decomposition
Atoms
chemical compounds
Crystals
Chemical compounds
High resolution electron microscopy
Vacancies
Phase diagrams
crystals
atoms
electron microscopy
Crystal structure
Phase transitions
phase diagrams
X ray diffraction

Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Filatov, S. K. ; Shablinskii, A. P. ; Volkov, S. N. ; Bubnova, R. S. / Forms of solid solution ordering upon decreasing temperature. In: Journal of Structural Chemistry. 2017 ; Vol. 58, No. 1. pp. 135-158.
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Forms of solid solution ordering upon decreasing temperature. / Filatov, S. K.; Shablinskii, A. P.; Volkov, S. N.; Bubnova, R. S.

In: Journal of Structural Chemistry, Vol. 58, No. 1, 01.01.2017, p. 135-158.

Research output

TY - JOUR

T1 - Forms of solid solution ordering upon decreasing temperature

AU - Filatov, S. K.

AU - Shablinskii, A. P.

AU - Volkov, S. N.

AU - Bubnova, R. S.

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AB - The work reports different forms of solid solution ordering: from the well-known atom redistribution processes over positions and the decomposition of the solid solution to the formation of superstructures, modulated structures, rotation of atomic groups, splitting of sites. For each ordering form as a crystal chemical phenomenon the position of atoms, molecules, and vacancies in the crystal structure of the solid solution is considered and the place of these processes among the main crystal chemical phenomena is determined. The manifestation of order–disorder processes in phase diagrams of systems is also analyzed: from the classical heterogeneous decomposition of solid solutions to the formation of ordered chemical compounds and other phase transitions. The necessity of a thorough study of the atomic-molecular nature of the solid solution ordering by modern X-ray diffraction crystallographic methods and high-resolution electron microscopy is demonstrated. For each ordering form examples are given, the driving force of the process is distinguished, and a brief literature review is presented.

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KW - rotational crystalline states

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KW - superstructures

KW - thermal atomic motion

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