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Central peaks and soft modes in praseodymium

✍ Scribed by J.G. Houmann; B. Lebech; A.R. Mackintosh; W.J.L. Buyers; O.D. McMasters; K.A. Gschneidner Jr.


Publisher
Elsevier Science
Year
1977
Weight
138 KB
Volume
86-88
Category
Article
ISSN
0378-4363

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πŸ“œ SIMILAR VOLUMES


Phonon relaxation due to anharmonism and
✍ V. N. Kashcheev πŸ“‚ Article πŸ“… 1983 πŸ› John Wiley and Sons 🌐 English βš– 473 KB

## Abstract In the modeβ€”mode coupling approximation the critical exponents (CE) are calculated for the dampings and frequency shifts of soft optic modes and acoustic phonons (in uniaxial ferroelectrics) and for the dampings of soft acoustic phonons (in cubic crystals) in the structural transition p