STABILIZATION OF TI3+ IN REDUCED (PB,LA)(TI,CU)O-3 CERAMICS - AN EPR STUDY

被引：12
作者：
BIDAULT, O
ACTIS, M
MAGLIONE, M
机构：
[1] LPUB - Matériaux pour l'Optique, URA CNRS 1796, Université de Bourgogne, 21004 Dijon, Bâtiment Mirande
来源：
SOLID STATE COMMUNICATIONS | 1995年 / 95卷 / 12期
关键词：
FERROELECTRICS; VALENCE FLUCTUATIONS; ELECTRON PARAMAGNETIC RESONANCE;
D O I：
10.1016/0038-1098(95)00399-1
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Unusual curvature at 160 K for the de resistivity measurements versus temperature in reduced PbTiO3:La,Cu samples have been evidenced. From our EPR results, this anomaly seems to be linked to the reduction of some Ti4+ into Ti3+ owing to a polaronic effect.
引用
收藏
页码：845 / 849
页数：5
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