Thermal-expansion and magnetostriction anomalies in phase transitions in La1-xSrxMnO3

被引：11

作者：

Kadomtseva, AM ^{[1
]}

Popov, YF

Vorob'ev, GP

Kamilov, KI

Ivanov, VY

Mukhin, AA

Balbashov, AM

机构：

[1] Moscow MV Lomonosov State Univ, Moscow 119899, Russia

[2] Russian Acad Sci, Inst Gen Phys, Moscow 117942, Russia

[3] Moscow Power Res Inst, Moscow 111250, Russia

来源：

PHYSICS OF THE SOLID STATE | 2000年 / 42卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/1.1131326

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A study is reported on phase transitions in the La1- xSrxMnO3 system, both spontaneous and induced by a pulsed magnetic field of up to 250 kOe, accompanied by anomalies in magnetoelastic properties. The temperatures of the polaron (charge) and magnetic ordering, as well as those of structural transitions, are observed to be in good agreement with the results obtained by other methods. Jumps in the field dependence of longitudinal and transverse magnetostriction associated with field-induced orbital ordering have been found. A strong temperature dependence of the corresponding threshold fields is observed. (C) 2000 MAIK "Nauka/Interperiodica".

引用

页码：1110 / 1115

页数：6

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