Structure and magnetic phase transition in R(Co1-xGax)(2) (R = Nd, Gd, Tb, Dy) compounds
文献类型：期刊论文
| 作者 | Z. W. Ouyang ; G. H. Rao ; H. F. Yang ; W. F. Liu ; G. Y. Liu ; X. M. Feng ; J. K. Liang |
| 刊名 | Physica B-Condensed Matter
 |
| 出版日期 | 2004 |
| 卷号 | 344期号:1-4页码:436-442 |
| 关键词 | structure Curie temperature magnetic phase transition itinerant-electron metamagnetism intermetallic compounds ac susceptibility order temperature behavior r(co yco2 |
| ISSN号 | 0921-4526 |
| 中文摘要 | X-ray powder diffraction and magnetization measurements reveal that light rare earth and heavy rare earth have different effects on the structure, Curie temperature and magnetic phase transition of the compounds R(Co1-xGax)(2) (R = Nd, Gd, Tb, Dy) (x = 0.0-0.3). The lattice constant exhibits a giant increase with increasing Ga concentration in all compounds. The Curie temperature shows no variation for R = Nd, a monotonic decrease for R = Gd and a maximum for R=Tb and Dy, respectively. The Curie temperature is strongly related with volume expansion, in which a critical value of a(c) approximate to 7.26 Angstrom is reached. The observed magnetic transition in all compounds is well explained within the framework of the Inoue-Shimizu model. It is revealed that both the lattice constant and the Curie temperature have a strong relationship with the order of the magnetic phase transition. (C) 2003 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/35508]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | Z. W. Ouyang,G. H. Rao,H. F. Yang,et al. Structure and magnetic phase transition in R(Co1-xGax)(2) (R = Nd, Gd, Tb, Dy) compounds[J]. Physica B-Condensed Matter,2004,344(1-4):436-442. |
| APA | Z. W. Ouyang.,G. H. Rao.,H. F. Yang.,W. F. Liu.,G. Y. Liu.,...&J. K. Liang.(2004).Structure and magnetic phase transition in R(Co1-xGax)(2) (R = Nd, Gd, Tb, Dy) compounds.Physica B-Condensed Matter,344(1-4),436-442. |
| MLA | Z. W. Ouyang,et al."Structure and magnetic phase transition in R(Co1-xGax)(2) (R = Nd, Gd, Tb, Dy) compounds".Physica B-Condensed Matter 344.1-4(2004):436-442. |
入库方式： OAI收割
来源：金属研究所
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