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

页码：6065 / 6071

页数：7

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