Magnetic and electronic measurements in CeB6

被引：4
|
作者：
Terzioglu, C [1 ]
Ozturk, O
Kilic, A
Goodrich, RG
Fisk, Z
机构：
[1] Abant Izzet Baysal Univ, Fac Arts & Sci, Dept Phys, TR-14280 Bolu, Turkey
[2] Ankara Univ, Fac Sci, Dept Phys, TR-06100 Ankara, Turkey
[3] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[4] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 298卷 / 01期
关键词：
Kondo effect; magnetic phase transition; magnetoresistance;
D O I：
10.1016/j.jmmm.2005.03.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have performed AC and DC-electrical resistivity, magnetization and magnetoresistance measurements of CeB6 with temperature Lip to 250 K and the magnetic field tip to 5 T. From these measurements, three magnetic phases are observed as Phase I, Phase II and Phase III. In Phase I, typical Kondo-like behavior is observed and the value of T-K found is 19 K. From Kondo-like and negative inagnetoresistance behavior, the existence of localized moments at high temperature is concluded. From the analysis of the CeB6 high-temperature resistivity measurements, a bump below 50 K has been observed and this evidence shows that Gamma(8) levels are dynamically split around 40 K. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：33 / 37
页数：5
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