Solid state chemistry of rare earth compounds with homogeneously and heterogeneously mixed valence
โ Scribed by Emanuel Kaldis
- Book ID
- 116014519
- Publisher
- Elsevier Science
- Year
- 1983
- Weight
- 147 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0022-5088
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๐ SIMILAR VOLUMES
We show the possibility of the formation of two-phonon bound states which give rise to a localized phonon mode like the one discovered recently in the compound Sm0.75Y0.25 S. A crucial point in our model is to take account of an indirect two-phonon interaction due to local lattice-distortions around
Rare-Earth Mixed-Valence Vanadium Oxides with Superlattice Structures of Calcium Ferrite. -The novel compounds ฮฑ-and ฮฒ-YbV4O8 are prepared by solid state reaction of the binary oxides at 1973 and 1673 K, resp., and the structure of a single crystal of the ฮฑ-phase and of a twinned one of the ฮฒ-phase