Transition from Curie-Weiss to enhanced Pauli paramagnetism in RNiO3 (R = La,Pr,...Gd) -: art. no. 020404

被引：83

作者：

Zhou, JS

Goodenough, JB

Dabrowski, B

机构：

[1] Univ Texas, Texas Mat Inst, Austin, TX 78712 USA

[2] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA

来源：

PHYSICAL REVIEW B | 2003年 / 67卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.67.020404

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High-oxygen-pressure annealing, cold pressing, and measurement of properties under pressure have been used to reveal and to follow in the single-valent perovskites RNiO3 (R=lanthanide) a crossover from localized to itinerant electronic behavior. Cold pressing proved critical for obtaining nearly intrinsic transport properties such as electronic and thermal conductivity in polycrystalline samples not available as single crystals. Suppression of the thermal conductivity in the crossover compositions NdNiO3 and PrNiO3 suggests cooperative bond-length fluctuations in this region.

引用

页数：4

共 23 条

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