Study of surface phenomena in the ferroelastic phase transition in a semi-infinite crystal

Surface phenomena are studied during ferroelastic phase transition in a semi-infinite crystal with tetragonal symmetry. It is shown that the strictional bond between the order parameter and lattice deformation leads to the emergence of a spatially modulated structure with a finite value of the wave...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 1997-08, Vol.23 (8), p.662-664
Main Author: Lavrinenko, N. M.
Format: Article
Language:English
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Summary:Surface phenomena are studied during ferroelastic phase transition in a semi-infinite crystal with tetragonal symmetry. It is shown that the strictional bond between the order parameter and lattice deformation leads to the emergence of a spatially modulated structure with a finite value of the wave vector at the surface phase transition point. The surface phase transition always precedes the ferroelastic phase transition in the bulk.
ISSN:1063-777X
1090-6517
DOI:10.1063/1.593443