The electrical properties of calcium sulfide doped with lanthanum sulfide and zirconium sulfide.
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概要
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Calcium sulfides doped with tri- and tetravalent metal sulfides were prepared. Their electromotive forces (EMF) were measured on a galvanic cell(Fe+FeS| Solid Electrolyte| Cu+Cu<SUB>2</SUB>S) where the solid electrolyte was a material in a CaS–Ln<SUB>2</SUB>S<SUB>3</SUB>–MS<SUB>2</SUB> system. The cell, using calcium sulfide doped with La<SUB>2</SUB>S<SUB>3</SUB> and ZrS<SUB>2</SUB>, exhibited an EMF value as high as the one calculated for thermodynamical equilibrium. The CaS–La<SUB>2</SUB>S<SUB>3</SUB>–ZrS<SUB>2</SUB> solid electrolyte showed, predominantly, an ionic conduction in the sulfur pressure range from 10<SUP>−4</SUP> to 10<SUP>2</SUP> Pa with an activation energy of approximately 56.7 kJ·mol<SUP>−1</SUP>, which was lower than for CaS and CaS–La<SUB>2</SUB>S<SUB>3</SUB>.
- 公益社団法人 日本化学会の論文
著者
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Adachi Gin-ya
Department Of Applied Chemistry Faculty Of Engineering Osaka University
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IMANAKA Nobuhito
Department of Applied Chemistry, Faculty of Engineering, Osaka University
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Sato Mineo
Department Of Chemistry And Chemical Engineering Faculty Of Engineering Niigata University
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Imanaka Nobuhito
Department Of Applied Chemistry Faculty Of Engineering
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Shiokawa Jiro
Department of Applied Chemistry, Faculty of Engineering, Osaka University
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