CRYSTAL-STRUCTURE AND MAGNETIC ORDER OF UCO5

被引：6

作者：

DOMMANN, A ^{[1
]}

BRANDLE, H ^{[1
]}

HULLIGER, F ^{[1
]}

FISCHER, P ^{[1
]}

机构：

[1] ETH,NEUTRONENSTREUUNG LAB,CH-5232 VILLIGEN,SWITZERLAND

来源：

JOURNAL OF THE LESS-COMMON METALS | 1990年 / 158卷 / 02期

关键词：

D O I：

10.1016/0022-5088(90)90063-P

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The crystal structure and the magnetic order of UCo5, the phase at the lower limit of the homogeneity region UCo5 + δ, was determined qualitatively from neutron diffraction measurements at 293,133 and 15 K using the Rietveld powder method. The rhombohedral structure of UCo5 (hR18) is a displacive derivative of the hexagonal CaCu5 type. Below 345-360 K, UCo5 + δ orders ferromagnetically with the cobalt moments of about 0.6 μB per cobalt atom oriented parallel to the trigonal axis. © 1990.

引用

页码：287 / 294

页数：8

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