On magnetic properties of LaMnO3±δ phase within its domain

被引：8
|
作者：
Horyn, R [1 ]
Zaleski, AJ [1 ]
Bukowska, E [1 ]
Sikora, A [1 ]
机构：
[1] Polish Acad Sci, Inst Low Temp & Struct Res, Wroclaw, Poland
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2004年 / 383卷 / 1-2期
关键词：
magnetism of LaMnO3 +/-delta phase;
D O I：
10.1016/j.jallcom.2004.04.012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Magnetic behaviour of LaxMnyO(3x+yV)/2 samples with different La/Mn ratios (0.91:1, 1:1, and 1:0.9) has been studied by dc-, and ac-susceptibility measurements. The samples were prepared under various sintering conditions with the aim to stabilize appropriate structure forms of this phase, i.e. the rhombohedral (Rh), the low-temperature orthorhombic (O*) and the high-temperature orthorhombic (O), each characterized by specific oxidation state of Mn ions (3.0-3.6) and specific distribution of the structure components. The results obtained have allowed to clarify more precisely complex magnetic properties of lanthanum manganite phase and their evolution versus oxidation state of Mn ions within the structure forms available. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：80 / 84
页数：5
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