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Structural hierarchy and transformations in crystals of the perovskite family

✍ Scribed by V. Sh. Shekhtman; I. S. Smirnova; V. D. Sedykh; I. M. Shmyt’ko; N. S. Afonikova; A. V. Dubovitskii

Book ID
110137671
Publisher
SP MAIK Nauka/Interperiodica
Year
2004
Tongue
English
Weight
102 KB
Volume
49
Category
Article
ISSN
1063-7745

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📜 SIMILAR VOLUMES

Selfconsistent Lattice-Dynamical Theory
Selfconsistent Lattice-Dynamical Theory of Structural Phase Transitions in Perovskite-Type Crystals
✍ B. Pietrass 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 English ⚖ 457 KB

## Abstract The temperature dependence of the soft mode frequency and of the displacement parameter, associated with the structural phase transition in perovskite‐type crystals, is calculated from anharmonic lattice dynamics in a selfconsistent way. The theory describes the change‐over from the Lan