Concentration dependence of the modulation parameter with the lock‐in phase transition in the system K 2 Mo  x  W 1− x  O 4 | Zendy

Bzowski B. | Zendy; Duda H. | Zendy; Kusz J. | Zendy; Warczewski J. | Zendy; Behruzi M. | Zendy; Hahn Th. | Zendy

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Concentration dependence of the modulation parameter with the lock‐in phase transition in the system K 2 Mo x W 1− x O 4

Author(s) -

Bzowski B.,

Duda H.,

Kusz J.,

Warczewski J.,

Behruzi M.,

Hahn Th.

Publication year - 2003

Publication title -

journal of applied crystallography

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.429

H-Index - 162

ISSN - 1600-5767

DOI - 10.1107/s0021889802018617

Subject(s) - modulation (music) , phase diagram , phase transition , phase (matter) , character (mathematics) , chemistry , bar (unit) , thermodynamics , crystallography , analytical chemistry (journal) , materials science , physics , geometry , mathematics , meteorology , organic chemistry , acoustics , chromatography

An improved method for synthesizing the compounds K 2 Mo x W 1− x O 4 has been applied. The phase diagram, both on heating and cooling, is presented. The observed nearly linear character of the concentration dependence of the modulation parameter p at 693 K (both after heating and cooling) indicates the existence of a continuous series of incommensurate structures in the concentration interval 0 ≤ x ≤ 1. Either at x = 0 exactly or close to this value a lock‐in phase transition takes place, making the structure commensurately modulated.

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