Synthesis and Thermostructural Studies of a CuFe1-xCrxO2 Delafossite Solid Solution with 0 ≤ x ≤ 1

被引：58
|
作者：
Lalanne, M. [1 ]
Barnabe, A. [1 ]
Mathieu, F. [1 ]
Tailhades, Ph. [1 ]
机构：
[1] Univ Toulouse, UPS Inst Carnot CIRIMAT, F-31062 Toulouse 9, France
来源：
INORGANIC CHEMISTRY | 2009年 / 48卷 / 13期
关键词：
LATTICE ANTIFERROMAGNET CUFEO2; P-TYPE CONDUCTIVITY; NOBLE METAL OXIDES; THIN-FILMS; OPTOELECTRONIC PROPERTIES; THERMOELECTRIC PROPERTIES; TRANSPORT-PROPERTIES; CRYSTAL-GROWTH; CUCRO2; TRANSPARENT;
D O I：
10.1021/ic900437x
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The CuFe1-xCrxO2 (0 <= x <= 1) delafossite solid solution was prepared by a standard solid-state reaction. These oxides crystallize with the delafossite structure. Their thermostructural properties were studied by thermogravimetric analysis and high-temperature X-ray diffraction experiments under an air atmosphere up to 1000 degrees C, For x = 0, CuFeO2 is oxidized into the spinel (CuFe2O4) and CuO phases, whereas for x = 1, CuCrO2 is thermally stable. For all of the intermediate compositions (0 < x < 1), complex oxidation, reduction, and phase transitions between delafossite and spinel have been observed.
引用
收藏
页码：6065 / 6071
页数：7
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