Double-spin-flip mode of rhodium nuclei

被引：1
|
作者：
Knuuttila, T
Martikainen, J
Rasmussen, F
Tuoriniemi, J
机构：
[1] Helsinki Univ Technol, Low Temp Lab, FIN-02015 HUT, Finland
[2] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen O, Denmark
来源：
PHYSICA B | 2000年 / 284卷
关键词：
double spin flip; rhodium; SQUID NMR;
D O I：
10.1016/S0921-4526(99)02944-0
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have observed the double-spin-flip mode, corresponding to one photon flipping two nuclear spins, in rhodium with low-frequency SQUID NMR at ultralow temperatures. The shift and magnitude of the absorption line at around twice the Larmor frequency has been studied. The shift of the double-spin-flip mode can be used to calculate the relative strength of the Ruderman-Kittel exchange interaction, for which we obtain R = - 0.9 +/- 0.1. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：1700 / 1701
页数：2
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