Magnetic excitations in (VO)DPO4•1/2D2O

被引：1
|
作者：
Garrett, AW [1 ]
Nagler, SE
Tennant, DA
Barnes, T
Torardi, CC
机构：
[1] Univ Florida, Dept Phys, Gainesville, FL 32611 USA
[2] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
[3] Dupont Co, Cent Res & Dev, Wilmington, DE 19880 USA
来源：
PHYSICA B | 1997年 / 241卷
关键词：
spin dimer; vanadium compound; magnetism;
D O I：
10.1016/S0921-4526(97)00641-8
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The magnetic excitations of an antiferromagnetic spin-dimer system, (VO)DPO4.1/2D(2)O, are examined using inelastic neutron scattering technique. A dispersionless mode is found, consistent with our expectations for a dimer excitation. The intensity variation of the mode reveals a V4+-V4+ dimer separation of 4.43 Angstrom, almost 50% larger than the originally expected length. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：552 / 554
页数：3
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