Magnetic and electrical transport properties of Ce5RhGe2

被引：5
|
作者：
Skornia, Pawel [1 ]
Deniszczyk, Jozef [2 ]
Fijalkowski, Marcin [1 ]
Slebarski, Andrzej [1 ]
机构：
[1] Univ Silesia Katowice, Inst Phys, Ul 75 Pulku Piechoty 1, PL-41500 Chorzow, Poland
[2] Univ Silesia Katowice, Inst Mat Sci, 75 Pulku Piechoty 1A, PL-41500 Chorzw, Poland
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 775卷
关键词：
Rare earth alloys and compounds; Electronic band structure; Magnetic measurements; Electronic properties; ELECTRONIC-STRUCTURE; SPIN FLUCTUATIONS; CE; TEXTURE;
D O I：
10.1016/j.jallcom.2018.10.096
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：
We report a comprehensive investigations of the electronic structure and magnetic properties for Ce5RhGe2, that crystallizes in orthorhombic Y2HfS5-type structure. This novel phase was found to be ferromagnetic-type with the Curie temperature T-c of 11.5 K in coexistence with spin-glass-like phase, displayed in the magnetic H - T phase diagram. The resistivity and magnetic susceptibility data also exhibit characteristic features of spin fluctuations at temperatures higher than T-c. A combined experimental and theoretical study based on x-ray photoelectron spectroscopy (XPS) data together with ab initio band structure calculations indicate a mixed valence of Ce ions due to strong hybridization between Ce 4f states and conduction band. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：524 / 532
页数：9
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