A variety of technologically important crystalline phases are predicted by first-principles electronic structure methods to be mechanically unstable at 0 K, raising fundamental questions about the finite temperature excitations that stabilize these phases at high-temperature. Here, we show that anha
β¦ LIBER β¦
Landau theory for a cubic to tetragonal structural phase transformation
β Scribed by T.C. Choy; W. Young; R.D. Lowde
- Book ID
- 103810214
- Publisher
- Elsevier Science
- Year
- 1983
- Weight
- 45 KB
- Volume
- 119
- Category
- Article
- ISSN
- 0378-4363
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A cubic to tetragonal transformation leads to simultaneous nucleation and growth of several orientation variants. The size and morphology of a critical nucleus, comprising of one or more variants, are determined by the competition among bulk thermodynamic driving force, elastic strain energy, and in