Abstract
A simple, low-temperature synthesis of a family of alkaline earth metal chalcogenide thin films is reported. These materials have previously only been produced from demanding, high temperature, high pressure reactions. The decomposition of calcium, barium and copper xanthates leads to the clean formation of CaS, BaS, CaCu2S2, β-BaCu2S2 and β-BaCu4S3.
Highlights
A simple, low-temperature synthesis of a family of alkaline earth metal chalcogenide thin films is reported
The synthesis of potentially useful complex materials is a key area for research, and one class of these, metal chalcogenides, are of particular interest to the semiconductor industry
The mixed alkaline earth/transition metal compound CaCu2S2 has previously only been synthesized by a challenging ammonothermal process,[16] whilst BaCu2S2 has been reported via a hydrothermal method or in a flux of potassium thiocyanate.[17,18]
Summary
A simple, low-temperature synthesis of a family of alkaline earth metal chalcogenide thin films is reported. The decomposition of calcium, barium and copper xanthates leads to the clean formation of CaS, BaS, CaCu2S2, b-BaCu2S2 and b-BaCu4S3.
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