The crystal structure of La-doped Co40V60 compound
文献类型：期刊论文
| 作者 | Chen, XJ ; Zhou, HY ; Wang, T ; Yang, YQ ; Rao, GH |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2010 |
| 卷号 | 503期号:2页码:281 |
| 关键词 | SIGMA-PHASE SPHERE PACKING CLASSIFICATION |
| ISSN号 | 0925-8388 |
| 通讯作者 | Zhou, HY (reprint author), Guilin Univ Elect Technol, Dept Informat Mat Sci & Engn, Guilin 541004, Guangxi, Peoples R China. |
| 中文摘要 | Crystal structure of the compounds Co40V60-2xLax has been investigated by means of X-ray powder diffraction (XRD). The compounds crystallize in the tetragonal sigma phase structure with the space group P4(2)/mnm and form a solid solution with a solubility limit of x = 9.52. The lattice parameters a, c and the unit cell volume V of the compounds decrease linearly with the La content. A structure model with a preferential substitution of La for V atoms on the 8j sites accompanied by the presence of vacancies on these sites is proposed for Co40V44La8. The proposal structure model gives a satisfactory fitting to the XRD data and a reasonable La content close to the nominal composition as well as a coincidence of the calculated density with the experimentally measured one. The preferential occupation of La atoms on the 8j site is discussed based on a consideration of geometric constrain and thermodynamics. (C) 2010 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| 资助信息 | National Natural Science Foundation of China [50631040]; Ministry of Science and Technology of China [200603601101] |
| 语种 | 英语 |
| 公开日期 | 2013-09-23 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/44964]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Chen, XJ,Zhou, HY,Wang, T,et al. The crystal structure of La-doped Co40V60 compound[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2010,503(2):281. |
| APA | Chen, XJ,Zhou, HY,Wang, T,Yang, YQ,&Rao, GH.(2010).The crystal structure of La-doped Co40V60 compound.JOURNAL OF ALLOYS AND COMPOUNDS,503(2),281. |
| MLA | Chen, XJ,et al."The crystal structure of La-doped Co40V60 compound".JOURNAL OF ALLOYS AND COMPOUNDS 503.2(2010):281. |
入库方式： OAI收割
来源：物理研究所
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