期刊
JOURNAL OF MATERIALS SCIENCE
卷 47, 期 8, 页码 3849-3854出版社
SPRINGER
DOI: 10.1007/s10853-011-6240-y
关键词
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资金
- National Natural Science Foundation of China [11047026]
- Education Bureau of Henan Province in China [2011A140010, 2011A140013]
- Foundation for University Young Core Instructors of Henan Province, China [2010GGJS-066]
First-principles calculations were performed to investigate the elastic, electronic, and optical properties of defect-chalcopyrite (DC) structure CdGa2 X (4) (X = S, Se) compounds. The present calculations shown that the DC structure CdGa2 X (4) (X = S, Se) compounds are mechanically stable and have similar electronic structures. Optical properties including the dielectric function, optical reflectivity, refractive index and electron energy loss, are discussed for radiation up to 22 eV, and present calculations reveal a weak anisotropy in CdGa2S4 and CdGa2Se4 compounds.
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