Neutron diffraction study of a La2CoO4.15 single crystal

被引：3
作者：
Gardner, JS
Paul, DM
Lcbech, B
机构：
[1] UNIV WARWICK,DEPT PHYS,COVENTRY CV4 7AL,W MIDLANDS,ENGLAND
[2] RISO NATL LAB,DEPT SOLID STATE PHYS,DK-4000 ROSKILDE,DENMARK
来源：
PHYSICA B | 1997年 / 234卷
关键词：
neutron diffraction; superconductivity; La2CoO4;
D O I：
10.1016/S0921-4526(96)01127-1
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A single crystal of La2CoO4.15 has been grown by the floating zone method and characterised extensively by bulk magnetisation and neutron diffraction studies. Long range antiferromagnetic order (AFM) is observed below (227.7 +/- 0.5) K and at (103 +/- 2) K a new AFM phase appears. The low temperature phase transition is associated with a first-order structural phase transition from a high-temperature orthorhombic phase to a low-temperature tetragonal phase.
引用
收藏
页码：721 / 722
页数：2
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