| Reversible magnetocaloric effect and critical behaviors in Mn1.9-xCoxSn compounds | |
| Feng, W. J.1; Gao, L.1; Fan, X. L.1; Li, C. M.1,2; Wang, S.1; Hong, X.1; Sun, X. S.3; Gao, M.1; Deng, Y. F.1 | |
| Corresponding Author | Feng, W. J.(wjfeng@aliyun.com) |
| 2019-03-01 | |
| Source Publication | MATERIALS RESEARCH EXPRESS
 |
| ISSN | 2053-1591 |
| Volume | 6Issue:3Pages:10 |
| Abstract | The structure, magnetic properties and magnetocaloric effect in the Mn1.9-xCoxSn (x = 0, 0.2, 0.4) compounds have been investigated. The reversible magnetic-entropy changes Delta S(m)(max )of Mn1.9Sn and Mn1.7Co0.2Sn are 2.13 (209 K) and 1.08 (113 K) J kg(-1) K-1, respectively, for magnetic field change between 0-5 T. The critical exponents in Mn1.9Sn and Mn1.7Co0.2Sn compounds have been determined. In the critical region, the data points of magnetization, field and temperature near T-C fall into two universal curves. By analysis on the critical exponents, we thought that the short-range ferri-magnetic order occurs in x = 0 compound at T < T-C and in x = 0.2 one at T > T-C. The analysis on long-range attractive interactions J(r) reveals the dominant long-range interactions in the vicinity of T-C in both compounds, besides a little short-range ferro- or ferri-magnetic order. |
| Keyword | magnetocaloric effect critical exponents modified Arrott plot long-range interaction |
| Funding Organization | National Natural Science Foundation of China ; Liaoning BaiQianWan Talents Program |
| DOI | 10.1088/2053-1591/aaf3c0 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[11674233] ; Liaoning BaiQianWan Talents Program |
| WOS Research Area | Materials Science |
| WOS Subject | Materials Science, Multidisciplinary |
| WOS ID | WOS:000452700500002 |
| Publisher | IOP PUBLISHING LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/130921 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Feng, W. J. |
| Affiliation | 1.Shenyang Normal Univ, Coll Phys Sci & Technol, Shenyang 110034, Liaoning, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110015, Liaoning, Peoples R China 3.Northeastern Univ, Sch Resources & Civil Engn, Shenyang 110819, Liaoning, Peoples R China |
| Recommended Citation GB/T 7714 | Feng, W. J.,Gao, L.,Fan, X. L.,et al. Reversible magnetocaloric effect and critical behaviors in Mn1.9-xCoxSn compounds[J]. MATERIALS RESEARCH EXPRESS,2019,6(3):10. |
| APA | Feng, W. J..,Gao, L..,Fan, X. L..,Li, C. M..,Wang, S..,...&Deng, Y. F..(2019).Reversible magnetocaloric effect and critical behaviors in Mn1.9-xCoxSn compounds.MATERIALS RESEARCH EXPRESS,6(3),10. |
| MLA | Feng, W. J.,et al."Reversible magnetocaloric effect and critical behaviors in Mn1.9-xCoxSn compounds".MATERIALS RESEARCH EXPRESS 6.3(2019):10. |
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