Structure and ionic conductivity of mixed lead halides PbCl2xBr2(1−x). II
✍ Scribed by M. Lumbreras; J. Protas; S. Jebbari; G.J. Dirksen; J. Schoonman
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 392 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0167-2738
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## Abstract PbCl~2__x__~Br~2(1 − __x__)~ single crystals for various compositions were studied by Raman spectroscopy at 14 K. It is shown that the phonons are of one‐ or two‐mode behaviour when the proportion __x__ varies from 0 to 1. Lattice dynamic and group theory considerations related to struc
This paper describes the results of electron microscopy, high-temperature powder neutron di4raction, and impedance spectroscopy studies of brownmillerite-structured Ba 2 In 2 O 5 and perovskite structured Ba(In x Zr 1؊x )O 3؊x/2 . The ambient temperature structure of Ba 2 In 2 O 5 is found to adopt