Commensurability oscillations in NdBa2Cu3Oy single crystals

被引：0
|
作者：
Küpfer, H
Ravikumar, G
Wolf, T
Zhukov, AA
Wühl, H
机构：
[1] Forschungszentrum Karlsruhe, Phys Tech Inst, D-76021 Karlsruhe, Germany
[2] Univ Karlsruhe, D-76021 Karlsruhe, Germany
[3] Bhabha Atom Res Ctr, Tech Phys & Prototype Engn Div, Bombay 400085, Maharashtra, India
[4] Forschungszentrum Karlsruhe, Inst Festkorperphys, D-76021 Karlsruhe, Germany
[5] Univ Southampton, Dept Phys & Astron, Southampton SO17 1BJ, Hants, England
[6] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 117234, Russia
来源：
PRAMANA-JOURNAL OF PHYSICS | 2002年 / 58卷 / 5-6期
关键词：
magnetization hysteresis; commensurability oscillations; NdBa(2)Cu3O(7);
D O I：
10.1007/s12043-002-0195-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Commensurability between inter-vortex distance and crystal lattice constant is investigated by angular dependent magnetization in very pure twinned and twin-free NdBa2 Cu-3 O-y single crystals. With increasing temperature the incommensurate states split up and become finally commensurate with half the vortex distance. These new commensurate states are related to a substructure of the intrinsic pinning potential within the unit cell and discussed with respect to temperature, field, anisotropy, and twin structure.
引用
收藏
页码：919 / 924
页数：6
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