Synthesis, structure and properties of RNiBN (R = rare-earth elements)

被引:0
|
作者
Song, Shi-jie [1 ]
Li, Bai-Zhuo [1 ]
Zhu, Qin-Qing [2 ]
Ren, Zhi [2 ]
Cao, Guang-Han [1 ]
机构
[1] Zhejiang Univ, Interdisciplinary Ctr Quantum Informat, Sch Phys, Hangzhou 310058, Peoples R China
[2] Westlake Univ, Sch Sci, 18 Shilongshan Rd, Hangzhou 310064, Peoples R China
基金
中国国家自然科学基金;
关键词
Nickel nitridoborates; Rare-earth magnetism; Giant magnetocaloric effect; SUPERCONDUCTING LUNI2B2C; CRYSTAL-STRUCTURE; MAGNETISM; ORDER; INTERPLAY; SERIES; TB; HO; DY; ER;
D O I
10.1016/j.jallcom.2023.172491
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 the structural and physical properties of new nitridoborates RNiBN (R = Nd, Sm, Gd, Tb, Dy, Ho, and Er). These compounds crystallize in a tetragonal LaNiBN-type structure with two-dimensional Ni2B2 and RN layers. The physical properties measurements indicate that they are antiferromagnetic metals. For R = Gd and Ho, a successive magnetic transition was observed below N e ' el temperature, possibly associated with spin reorientation due to Ruderman-Kittel-Kasuya-Yosida interaction. A giant magnetocaloric effect was measured in the R = Er and Ho compounds, which is related to a field-induced first-order metamagnetic transition from antiferromagnetic to ferromagnetic state. Our results indicate that RNiBN (R = Er and Ho) may be promising candidates for low temperature magnetic refrigeration
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页数:8
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