Influence of Alkali Metal Substitution on the Phase Transition Behavior of CsGaQ2 (Q = S, Se)

URN to cite this document:: urn:nbn:de:bvb:355-epub-376226
DOI to cite this document:: 10.5283/epub.37622

Friedrich, Daniel

; Schlosser, Marc ; Etter, Martin

; Pfitzner, Arno

License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 22 Aug 2018 08:00

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Abstract

The formation of solid solution series Cs(1-x)M(x)GaQ(2)-mC64 (M = K, Rb; Q = S, Se; x = 0-1) was studied by X-ray diffraction and spectroscopic methods, revealing a complete miscibility of CsGaQ(2)-mC64 with RbGaQ(2) and KGaSe2, and a large miscibility gap with KGaS2. All solid solution members exhibit similar Raman spectra, indicating the covalent Ga-Q bonding character. The similar optical ...