PREPARATION AND ELECTRICAL-PROPERTIES OF (LAO)AGS AND (LNO)CUS (LN = LA, PR, OR ND)

被引：47

作者：

ISHIKAWA, K

KINOSHITA, S

SUZUKI, Y

MATSUURA, S

NAKANISHI, T

AIZAWA, M

SUZUKI, Y

机构：

[1] Department of Industrial Chemistry, Faculty of Engineering, Meiyi University, Tama-ku, Kawasaki 214, Higashi-mita

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1991年 / 138卷 / 04期

关键词：

D O I：

10.1149/1.2085735

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A layered compound, (LaO)AgS, was obtained from La2O2S and Ag2S in a sulfur gas atmosphere at 843 K, and (LnO)CuS (Ln = La, Pr, or Nd) from Ln2O2S and Cu2S in vacuo at 853-1373 K. The ac, ionic, and electronic conductivities and the thermoelectromotive forces of the products were measured under a purified helium gas atmosphere at 300-573 K and at 77.4-700 K, respectively. The compound (LaO)AgS was an n-type mixed ionic conductor, whereas (LaO)CuS and (PrO)CuS were an electronic p-type semiconductor. A conduction mechanism was proposed for (LaO)AgS and (LaO)CuS.

引用

页码：1166 / 1170

页数：5

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