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Phase Transition in Rb 3 H(SeO 4 ) 2 ‐Type Crystals. II. The Molecular Field Approximation
Author(s) -
Salejda W.,
Dzhavadov N. A.
Publication year - 1990
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221580208
Subject(s) - phase diagram , phase transition , type (biology) , phase (matter) , diagram , field (mathematics) , materials science , crystallography , condensed matter physics , chemistry , physics , mathematics , quantum mechanics , statistics , biology , pure mathematics , ecology
The microscopic model of the phase transitions in superionic Rb 3 H(SeO 4 ) 2 ‐type crystals is proposed. The phase diagrams are studied within the molecular field approximation. The phase diagram obtained is in agreement with the phase diagram of Rb 3 H(SeO 4 ) 2 crystals. Application of the proposed model to the description of phase transitions observed in Cs 3 H(SeO 4 ) 2 crystals is discussed.