| Magnetic properties and magnetocaloric effect of Nd(Mn1-xFex)(2)Ge-2 compounds | |
| Chen, Y. Q.1; Luo, J.1; Liang, J. K.1,2; Li, J. B.1; Rao, G. H.1 | |
| Corresponding Author | Luo, J.(jluo@aphy.iphy.ac.cn) |
| 2010-01-07 | |
| Source Publication | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| ISSN | 0925-8388 |
| Volume | 489Issue:1Pages:13-19 |
| Abstract | Polycrystalline Nd(Mn1-xFex)(2)Ge-2 (0 <= x <= 1) compounds have been prepared by arc-melting. X-ray powder diffraction analysis shows that all samples crystallize in the ThCr2Si2-type structure with the space group 14/mmm. The substitution of Fe for Mn results in decreases of the lattice constants a, c and the unit-cell volume V. Magnetic properties and magnetocaloric effect of the compounds Nd(Mn0.9Fe0.1)(2)Ge-2 and Nd(Mn0.8Fe0.2)(2)Ge-2 have been studied by magnetic measurements. A spin reorientation transition at about 188 K is observed for Nd(Mn0.9Fe0.1)(2)Ge-2. The Nd(Mn0.8Fe0.2)(2)Ge-2 compound shows more complicated magnetic behavior, which is characterized by four magnetic ordering states below room temperature. The maximum values of the magnetic entropy change are 2.35 and 1.84 J kg(-1) K-1 for x = 0.1 and 0.2, respectively, under the applied field changing from 0 to 5T. The relative cooling powers of Nd(Mn0.9Fe0.1)(2)Ge-2 and Nd(Mn0.8Fe0.2)(2)Ge-2 are 145.9 and 133.8 J kg(-1) under an applied field change of 5T. (C) 2009 Elsevier B.V. All rights reserved. |
| Keyword | Metals and alloys Magnetocaloric X-ray diffraction |
| Funding Organization | National Basic Research Program of China |
| DOI | 10.1016/j.jallcom.2009.09.078 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Basic Research Program of China[2006CB601101] |
| WOS Research Area | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000273204100007 |
| Publisher | ELSEVIER SCIENCE SA |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/101865 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Luo, J. |
| Affiliation | 1.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China 2.Acad Sinica, Int Ctr Mat Phys, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Chen, Y. Q.,Luo, J.,Liang, J. K.,et al. Magnetic properties and magnetocaloric effect of Nd(Mn1-xFex)(2)Ge-2 compounds[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2010,489(1):13-19. |
| APA | Chen, Y. Q.,Luo, J.,Liang, J. K.,Li, J. B.,&Rao, G. H..(2010).Magnetic properties and magnetocaloric effect of Nd(Mn1-xFex)(2)Ge-2 compounds.JOURNAL OF ALLOYS AND COMPOUNDS,489(1),13-19. |
| MLA | Chen, Y. Q.,et al."Magnetic properties and magnetocaloric effect of Nd(Mn1-xFex)(2)Ge-2 compounds".JOURNAL OF ALLOYS AND COMPOUNDS 489.1(2010):13-19. |
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment