FERROMAGNETIC LAYERS IN Y2CU2O5 - A NEUTRON-DIFFRACTION STUDY

被引:18
作者
GARCIAMUNOZ, JL
RODRIGUEZCARVAJAL, J
OBRADORS, X
VALLETREGI, M
CALBET, JG
GARCIA, E
机构
[1] CNRS,CRISTALLOG LAB,F-38042 GRENOBLE,FRANCE
[2] RENFE VCM,MAGNETISMO APLICADO LAB,E-28290 LAS MATAS,SPAIN
[3] UNIV COMPLUTENSE MADRID,DEPT QUIM INORGAN,E-28040 MADRID,SPAIN
关键词
D O I
10.1016/0375-9601(90)90439-U
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Long range antiferromagnetic order is observed below TN ≈ 13 K for Y2Cu2O5. The magnetic structure consists of quasi-two-dimensional ferromagnetic layers coupled antiferromagnetically. The magnetic moment is characteristic of S = 1 2 without quantum fluctuation effect as in 2D antiferromagnets related to high temperature superconductors. It is inferred that the fundamental difference with the related superconducting systems is the in-plane ferromagnetic interactions. © 1990.
引用
收藏
页码:319 / 327
页数:9
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