The specific heat and a first order phase transition due to charge ordering in Nd1/2Sr1/2MnO3 in a magnetic field

被引：3
|
作者：
Garfield, NJ [1 ]
Howson, MA [1 ]
Balakrishnan, G [1 ]
Paul, DM [1 ]
机构：
[1] UNIV WARWICK,DEPT PHYS,COVENTRY CV4 7AL,W MIDLANDS,ENGLAND
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 1996年 / 46卷
关键词：
D O I：
10.1007/BF02562727
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present results for the specific heat of a Nd1/2Sr1/2MnO3 crystal. The continuous phase transition from paramagnet to metallic ferromagnet is observed at 250K and a first order transition from metallic ferromagnet to the insulating charge ordered state is observed at 150K in zero field. Hysteresis is observed on warming and cooling, which increases in a magnetic field. The magnetic field is seen to drive the low temperature charged ordered state into the ferromagnetic state through a first order transition.
引用
收藏
页码：1225 / 1226
页数：2
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