MAGNETIC ORDER OF RBA2CU4O8 (R = RARE-EARTH) DUE TO DIPOLE-DIPOLE AND EXCHANGE INTERACTIONS

被引：3

作者：

FELSTEINER, J ^{[1
]}

MISRA, SK ^{[1
]}

机构：

[1] CONCORDIA UNIV,DEPT PHYS,MONTREAL H3G 1M8,QUEBEC,CANADA

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 10期

关键词：

D O I：

10.1103/PhysRevB.50.7184

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Luttinger-Tisza method has been applied, taking into account both the dipole-dipole and exchange interactions, to calculate the low-temperature ordered states of the magnetic rare-earth ions in the various R Ba2Cu4O8 (R = rare earth) compounds. Dipolar interaction alone has been found to explain the observed orderings in ErBa2Cu4O8 and DyBa2Cu4O8, the only materials whose low-temperature magnetic orderings have been determined by neutron diffraction. The expected low-temperature orderings for the other R Ba2Cu4O8 compounds based on purely dipolar interactions have also been calculated.

引用

页码：7184 / 7187

页数：4

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