A simple theory of some phase transitions
- 1 July 1974
- journal article
- Published by IOP Publishing in Journal of Physics F: Metal Physics
- Vol. 4 (7), 960-968
- https://doi.org/10.1088/0305-4608/4/7/004
Abstract
For f.c.c. and h.c.p. crystals structural phase transitions involving soft acoustic modes are discussed. A simple nearest neighbour force model is used. Two extreme types of transition are distinguished; one of these entails a softening of all modes whereas in the second type there is only appreciable softening of a single mode.Keywords
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