JOURNAL ARTICLE
The Improper Ferroelastic Phase Transition in Superionic Rb3H(SeO4)2 Crystals
Year: 1988 Journal: physica status solidi (b) Vol: 148 (2)Pages: 473-481 Publisher: Wiley
Abstract
Abstract A phenomenological theory of improper ferroelastic Phase Transition, that superionic hydrogen‐bonded Rb 3 H(SeO 4 ) 2 , crystals undergo at T c = 447 K, is presented. The temperature dependences of components of the spontaneous deformation tensor, elastic coefficient tensor, and electric conductivity in the vicinity of phase transition are calculated. A possible microscopic model of order–disorder type of the phase transition in the proton subsystem is discussed briefly.
Keywords:
Phase transition Condensed matter physics Materials science Phase (matter) Tensor (intrinsic definition) Electrical resistivity and conductivity Thermodynamics Physics Quantum mechanics Geometry Mathematics
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28
Cited By
1.57
FWCI (Field Weighted Citation Impact)
15
Refs
0.80
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Citation History
Topics
Solid-state spectroscopy and crystallography
Physical Sciences → Materials Science → Materials Chemistry
Crystallography and molecular interactions
Physical Sciences → Chemistry → Physical and Theoretical Chemistry
Crystal Structures and Properties
Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials
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