Raman Scattering Study of Mixed Quaternary AgxGaxGe1−xSe2 (0.167 ≤ x ≤ 0.333) Crystals. Issue 3 (27th October 2017)

• Record Type: Journal Article
• Authors: Valakh, Mykhailo Ya.; Dzhagan, Volodymyr M.; Havryliuk, Yevgen O.; Yukhymchuk, Volodymyr O.; Parasyuk, Oleg V.; Myronchuk, Galyna L.; Zahn, Dietrich R. T.; Litvinchuk, Alexander P.
• Is Part Of: Physica status solidi. Volume 255:Issue 3(2018)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2017-10-27
• Subjects: lattice dynamics -- optical materials -- phonons -- Raman scattering; Solid state physics -- Periodicals; Solids -- Periodicals; Atomic structure -- Periodicals; 530.41
• DOI: 10.1002/pssb.201700230
• Languages: English
• ISSNs: 0370-1972

Abstract

Abstract : Experimental Raman scattering study of mixed Ag x Ga x Ge1− x Se2 (0.167 ≤ x ≤ 0.333) single crystals is reported. The spectra transformation upon composition variation exhibits the two‐mode type of behavior, with lines of the end‐member compounds of the solid solution (AgGaSe2 and GeSe2 ) dominating in the spectra, whose relative intensities vary with composition. Abstract : The two‐mode transformation of the phonon spectra of Ag x Ga x Ge1− x Se2 crystalline alloys with composition has been established. Lines of both end‐member compounds (AgGaSe2 and GeSe2 ) of the solid solution are present in the spectra.