Infrared optical characterization of (Cu 2 GeSe 3 ) 1− x   (CuGe 2 P 3 )  x   mixed crystals | Zendy

Riede V. | Zendy; Sharif N. | Zendy; Neumann H. | Zendy; Omar M. S. | Zendy; Sobotta H. | Zendy

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Infrared optical characterization of (Cu 2 GeSe 3 ) 1− x (CuGe 2 P 3 ) x mixed crystals

Author(s) -

Riede V.,

Sharif N.,

Neumann H.,

Omar M. S.,

Sobotta H.

Publication year - 1988

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.2170230520

Subject(s) - infrared , infrared spectroscopy , analytical chemistry (journal) , reflectivity , materials science , spectral line , characterization (materials science) , crystallography , chemistry , optics , physics , nanotechnology , organic chemistry , chromatography , astronomy

Infrared reflectivity spectra of (Cu 2 GeSe 3 ) 1− x (CuGe 2 P 3 ) x mixed crystals with x = 0.1 and 0.2 are measured in the wave‐number range from 180 to 4000 cm −1 . An analysis of the spectra reveals contributions from five vibrational modes and from free carriers to the reflectivity. The results are compared with previous measurements for Cu 2 GeSe 3 and CuGe 2 P 3 .

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