Enhanced refrigeration capacity in Ho1-xDyxB2 compounds around liquid hydrogen temperature
文献类型：期刊论文
| 作者 | Li, Jinyang; Liu, Yanfeng; Lu, Xiang; Zhang, Yifei; Guo, Jianping; Zhang, Mingxiao; Liu, Jian |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2021 |
| 卷号 | 864 |
| 英文摘要 | In this study, the crystal structure, magnetic properties, and magnetocaloric effect of Ho1-xDyxB2 compounds were investigated. It was found that nearly single-phase (Ho,Dy)B-2 compounds with the AlB2-type structure directly form in the as-arc melted alloys and have two successive magnetic transitions. With the increase of Dy concentration x from 0 to 0.8, the spin reorientation transition temperature remains at about 13 K, while the Curie temperature significantly increases from 16 to 43 K. As a result, the full-width at half-maximum of the magnetic entropy change versus temperature curve increases from 19.9 to 48.2 K. Also, these Ho1-xDyxB2 compounds exhibit a large refrigeration capacity of 523-635 J kg(-1) under a magnetic field change of 5 T, although the maximum magnetic entropy change decreases from 34.3 to 17.2 J kg(-1) K-1. In addition, Dy-containing compounds exhibit a table-like magnetocaloric effect compared with the HoB2 compound. Our results indicate that Ho(1-x)Dy(x)B(2 )compounds are a promising candidate for cryogenic magnetic refrigeration around liquid hydrogen temperature. (C) 2021 Elsevier B.V. All rights reserved. |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/21900]  |
| 专题 | 中国科学院宁波材料技术与工程研究所 2021专题_期刊论文 |
| 作者单位 | 1.Zhang, MX 2.Liu, J (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Prov Key Lab Magnet Mat & Applicat Techn, Ningbo 315201, Peoples R China. 3.Liu, J (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, CAS Key Lab Magnet Mat & Devices, Ningbo 315201, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Li, Jinyang,Liu, Yanfeng,Lu, Xiang,et al. Enhanced refrigeration capacity in Ho1-xDyxB2 compounds around liquid hydrogen temperature[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2021,864. |
| APA | Li, Jinyang.,Liu, Yanfeng.,Lu, Xiang.,Zhang, Yifei.,Guo, Jianping.,...&Liu, Jian.(2021).Enhanced refrigeration capacity in Ho1-xDyxB2 compounds around liquid hydrogen temperature.JOURNAL OF ALLOYS AND COMPOUNDS,864. |
| MLA | Li, Jinyang,et al."Enhanced refrigeration capacity in Ho1-xDyxB2 compounds around liquid hydrogen temperature".JOURNAL OF ALLOYS AND COMPOUNDS 864(2021). |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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