Properties of exchange interaction in yb3fe5o12 under extreme conditions
文献类型：期刊论文
| 作者 | Wang, Wei1; Li, Deyao1,2 |
| 刊名 | Journal of magnetism and magnetic materials
 |
| 出版日期 | 2009-10-01 |
| 卷号 | 321期号:19页码:3307-3310 |
| 关键词 | Exchange interaction Anisotropy Temperature dependence Iron garnet |
| ISSN号 | 0304-8853 |
| DOI | 10.1016/j.jmmm.2009.05.068 |
| 通讯作者 | Wang, wei(wangwei@mail.buct.edu.cn) |
| 英文摘要 | In yb3fe5o12, the exchange effective field can be expressed as h-eff = -lambda center dot center dot center dot m-fe = -lambda chi(eff)center dot center dot center dot h-e = -gamma center dot center dot center dot h-e where gamma is named as the exchange field parameter and h-e is the external magnetic field. then, in this paper, by the discussions on the characteristics of the exchange field parameter gamma, the properties of exchange interaction in ytterbium iron garnet (yb3fe5o12) are analyzed under extreme conditions (high magnetic fields and low temperatures). our theory suggests that the exchange field parameter gamma is the function of the temperatures under different external magnetic fields, and gamma = a+b center dot center dot center dot t+c center dot center dot center dot t-2, where the coefficients a, b, c are associated with the external magnetic fields and the magnetized directions. thus, the temperature-dependence, field-dependence and anisotropic characteristics of the exchange interaction in yb3fe5o12 are revealed. also, excellent fits to the available experiments are obtained. (c) 2009 elsevier b.v. all rights reserved. |
| WOS关键词 | YTTERBIUM-IRON-GARNET ; HIGH DC FIELDS ; PHASE-TRANSITIONS ; MAGNETIZATION ; YBIG |
| WOS研究方向 | Materials Science ; Physics |
| WOS类目 | Materials Science, Multidisciplinary ; Physics, Condensed Matter |
| 语种 | 英语 |
| WOS记录号 | WOS:000268022700065 |
| 出版者 | ELSEVIER SCIENCE BV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2427626 |
| 专题 | 半导体研究所 |
| 通讯作者 | Wang, Wei |
| 作者单位 | 1.Beijing Univ Chem Technol, Sch Sci, Dept Phys & Elect, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Wei,Li, Deyao. Properties of exchange interaction in yb3fe5o12 under extreme conditions[J]. Journal of magnetism and magnetic materials,2009,321(19):3307-3310. |
| APA | Wang, Wei,&Li, Deyao.(2009).Properties of exchange interaction in yb3fe5o12 under extreme conditions.Journal of magnetism and magnetic materials,321(19),3307-3310. |
| MLA | Wang, Wei,et al."Properties of exchange interaction in yb3fe5o12 under extreme conditions".Journal of magnetism and magnetic materials 321.19(2009):3307-3310. |
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来源：半导体研究所
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