Low temperature and magnetic field X-ray diffraction study for Nd0.5Sr0.5MnO3

被引：7
|
作者：
Awaji, S [1 ]
Watanabe, K [1 ]
Fujiwara, M [1 ]
Watanabe, Y [1 ]
Kobayashi, N [1 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
来源：
PHYSICA B | 2000年 / 284卷
关键词：
cryocooled superconducting magnet; low-temperature X-ray diffraction; magnetic field; Nd0.5Sr0.5MnO3;
D O I：
10.1016/S0921-4526(99)02891-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
First-order structural phase transition based on charge order for Nd-0.5 Sr-0.5 MnO3 was studied by a newly developed low temperature and magnetic field X-ray diffraction apparatus. The structural phase transition that corresponds to a jump of lattice constants was confirmed even in magnetic fields up to 5 T. We observed the coexistence region consisting of high and low-temperature phases in magnetic fields. This region increased with increasing field. The domain of the high-temperature ferromagnetic phase remains in the charge order phase at low temperature and low magnetic field. The magnetic behavior is explained by the volume fraction of high-temperature domain. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：1682 / 1683
页数：2
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