Crossover from Valence Phase Transition to Kondo Behavior in Yb1-xCexInCu4 as Probed by Cu NQR

被引：0
|
作者：
Gippius, A. A. [1 ,2 ,3 ]
Okhotnikov, K. S. [1 ]
Anferova, P. A. [1 ]
Baenitz, M. [3 ]
Mushnikov, N. V. [4 ]
Vasiliev, A. N. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia
[2] Shubnikov Insti Crystallogr, Moscow 119333, Russia
[3] Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany
[4] RAS, Inst Met Phys, Ekaterinburg 620219, Russia
来源：
MAGNETISM AND MAGNETIC MATERIALS | 2009年 / 152-153卷
关键词：
NQR; Kondo behavior; nuclear spin-lattice relaxation; YBINCU4; YBXIN1-XCU2; STATE;
D O I：
10.4028/www.scientific.net/SSP.152-153.419
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：
Influence of cerium substitution on the valence phase transition in Yb1-xCexInCu4 system (x = 0, 0.04, 0.08, 0.12 and 0.16) has been studied by means of Cu-63 NQR. Discontinuous change in Cu NQR frequency was detected around valence transition temperature T-v in YbInCu4, Yb0.96Ce0.04InCu4 and Yb0.92Ce0.08InCu4. In the vicinity of Ce concentration x = 0.08 a crossover from the 1-st order valence phase transition to gradual change of electronic and magnetic properties of Yb1-xCexInCu4 system is observed.
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收藏
页码：419 / +
页数：2
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