Preparation and properties of dysprosium nanocapsules coated with boron, carbon, and dysprosium oxide
文献类型：期刊论文
| 作者 | P. Z. Si ; E. Bruck ; Z. D. Zhang ; I. Skorvanek ; J. Kovac ; M. Zhang |
| 刊名 | Materials Research Bulletin
 |
| 出版日期 | 2004 |
| 卷号 | 39期号:7-8页码:1005-1012 |
| 关键词 | nanostructures electron microscopy magnetic properties magnetic-properties arc-discharge nanoparticles particles |
| ISSN号 | 0025-5408 |
| 中文摘要 | Boron-coated dysprosium/dysprosium oxide, carbon-coated dysprosium/DyC(2), and dysprosium oxide-coated dysprosium nanocapsules were prepared using an arc discharge method in diborane, methane, and argon, respectively. The magnetization of these nanocapsules has been measured at temperatures between 4 and 290 K, in applied fields up to 6 T. The transition temperature of nanocrystalline Dy from the helical phase to the ferromagnetic phase is much lower than that of bulk Dy. The linear temperature dependence of the inverse susceptibility of these nanocapsules, being a mixture of superparamagnetic Dy and paramagnetic dysprosium oxide or carbide, can be explained within the molecular field theory with magnetic moments with the total angular momentum J = 15/2 and the Lande factor g = 4/3. We discuss the relations between the structure and the magnetization of these nanocapsules. (C) 2004 Elsevier Ltd. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/35545]  |
| 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 | P. Z. Si,E. Bruck,Z. D. Zhang,et al. Preparation and properties of dysprosium nanocapsules coated with boron, carbon, and dysprosium oxide[J]. Materials Research Bulletin,2004,39(7-8):1005-1012. |
| APA | P. Z. Si,E. Bruck,Z. D. Zhang,I. Skorvanek,J. Kovac,&M. Zhang.(2004).Preparation and properties of dysprosium nanocapsules coated with boron, carbon, and dysprosium oxide.Materials Research Bulletin,39(7-8),1005-1012. |
| MLA | P. Z. Si,et al."Preparation and properties of dysprosium nanocapsules coated with boron, carbon, and dysprosium oxide".Materials Research Bulletin 39.7-8(2004):1005-1012. |
入库方式： OAI收割
来源：金属研究所
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