期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 545, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2021.168796
关键词
Anisotropy of magnetoresistance; Phase diagram; RKKY exchange; Charge stripes
The study investigates the charge transport and magnetization anisotropy in the antiferromagnetic metal ErB 12 with cooperative Jahn-Teller distortions and electronic instability. It is found that fluctuations of electron density play a crucial role in producing magnetic phase diversity in ErB12.
The nature of charge transport and magnetization anisotropy was investigated in the ErB 12 antiferromagnetic metal with both cooperative Jahn-Teller distortions of the fcc crystal structure and electronic instability (dynamic charge stripes). A butterfly pattern of the H-phi magnetic phase diagram in the (1 1 0) plane was reconstructed, including a large number of different magnetic phases separated from each other by radial and circular boundaries. It is argued that fluctuations of electron density are responsible for the suppression of the indirect Ruderman-Kittel-Kasuya-Yoshida (RKKY) exchange between the nearest neighbored Er3+ ions located along the < 110 > directions producing the magnetic phase diversity in ErB12.
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