Magnetic properties and low-temperature large magnetocaloric effect in the antiferromagnetic HoCu0.33Ge2 and ErCu0.25Ge2 compounds
文献类型：期刊论文
| 作者 | Gao, R. L.; Xu, Z. Y.; Wang, L. C.; Dong, Q. Y.; Zhang, Y.; Liu, F. H.; Mo, Z. J.; Niu, E.; Fu, C. L.; Cai, W. |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2015 |
| 卷号 | 631页码:33-37 |
| 关键词 | HoCu0.33Ge2 and ErCu0.25Ge2 Antiferromagnetic Metamagnetic transition Magnetocaloric effect Magnetic entropy changes |
| ISSN号 | 0925-8388 |
| 通讯作者 | Xu, ZY (reprint author), Natl Inst Metrol, Beijing 100029, Peoples R China. |
| 英文摘要 | Magnetic properties and magnetocaloric effect (MCE) of HoCu0.33Ge2 and ErCu0.25Ge2 compounds have been investigated. The compounds were determined to be antiferromagnetic with the Neel temperatures T-N = 9 K and 3.9 K, respectively. The critical transition magnetic fields for the metamagnetic transition from antiferromagnetic to ferromagnetic state below T-N were determined to be 10 kOe for HoCu0.33Ge2 at 5 K and 6 kOe for ErCu0.25Ge2 at 2 K. Large MCE with the maximal values of magnetic entropy changes (Delta S-M) as -10.2 J/kg K at 10.5 K were found in HoCu0.33Ge2 for field changes of 0-70 kOe and -10.5 J/kg K at 5.5 K in ErCu0.25Ge2 for field changes of 0-50 kOe, respectively. The large Delta S-M around T-N as well as no hysteresis loss made RCuxGe2 competitive candidates as low temperature magnetic refrigerant. (C) 2015 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI ; EI |
| 语种 | 英语 |
| 源URL | [http://ir.nssc.ac.cn/handle/122/4572]  |
| 专题 | 国家空间科学中心_空间技术部 |
| 推荐引用方式 GB/T 7714 | Gao, R. L.,Xu, Z. Y.,Wang, L. C.,et al. Magnetic properties and low-temperature large magnetocaloric effect in the antiferromagnetic HoCu0.33Ge2 and ErCu0.25Ge2 compounds[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2015,631:33-37. |
| APA | Gao, R. L..,Xu, Z. Y..,Wang, L. C..,Dong, Q. Y..,Zhang, Y..,...&Deng, X. L..(2015).Magnetic properties and low-temperature large magnetocaloric effect in the antiferromagnetic HoCu0.33Ge2 and ErCu0.25Ge2 compounds.JOURNAL OF ALLOYS AND COMPOUNDS,631,33-37. |
| MLA | Gao, R. L.,et al."Magnetic properties and low-temperature large magnetocaloric effect in the antiferromagnetic HoCu0.33Ge2 and ErCu0.25Ge2 compounds".JOURNAL OF ALLOYS AND COMPOUNDS 631(2015):33-37. |
入库方式： OAI收割
来源：国家空间科学中心
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