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

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2024年 / 970卷

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

引用

页数：8

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