The preparation of hot-pressed chalcogenide spinels. II. Stoichiometry and optical transparency in CdCr2S4 and CoCr2S4期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

The preparation of hot-pressed chalcogenide spinels. II. Stoichiometry and optical transparency in CdCr₂S₄ and CoCr₂S₄

Authors:	D. Pearlman E. Carnall T.W. Martin

Affiliation:	Research Laboratories, Eastman Kodak Company, Rochester, New York 14650 USA

Abstract:	The compounds CdCr₂S₄ and CoCr₂S₄ have been hot pressed into disks that are highly transparent in the infrared. Stoichiometry has been altered by varying the $Cr^{3+} M^{2+}$ ratio, where M²⁺ is Cd²⁺ or Co²⁺. The effects of nonstoichiometry on optical transmission were determined. Excess M²⁺ attenuates the transmission much more than excess Cr³⁺.

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