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First-principles calculations for phonons in AgGaX 2 (X = Se,Te) chalcopyrite crystals

✍ Scribed by Lazewski, J; Parlinski, K


Book ID
120537313
Publisher
Institute of Physics
Year
1999
Tongue
English
Weight
590 KB
Volume
11
Category
Article
ISSN
0953-8984

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Growth and properties of LiGaX2 (X = S,
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## Abstract Single crystals LiGaX~2~ (X = S, Se, Te) of optical quality were grown, with transparency ranges at 5 cm^‐1^ absorption level of 0.32‐11.6 ΞΌm, 0.37‐13.2 ΞΌm and 0.54‐14.2 ΞΌm, respectively. The first two, LiGaS~2~ and LiGaSe~2~, have a wurtzite‐type structure whereas LiGaTe~2~ is tetragon