Single-crystal growth and phase diagram of Tb2Fe17 compound | |
Chen, JL ; Wu, GH ; Zhao, DQ ; Gao, SX ; Zhan, WS ; Li, YX ; Qu, JP ; Xu, GZ | |
刊名 | JOURNAL OF CRYSTAL GROWTH
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2001 | |
卷号 | 222期号:4页码:779 |
关键词 | MAGNETIC-PROPERTIES SUBSTITUTION TRANSITION |
ISSN号 | 0022-0248 |
通讯作者 | Wu, GH (reprint author), Chinese Acad Sci, Inst Phys, Magnetism Lab, Beijing 100080, Peoples R China. |
中文摘要 | Single crystals of Tb2Fe17 have been grown by Czochralski method cold crucible system. Good-quality crystals can be obtained by using the relative low growth rate and stoichiometrical composition. The single crystalline sample shows a pure hexagonal Th2Ni17 structure with lattice parameters of n=0.8368 +/- 0.0005nm, c=0.8331 +/- 0.0003nm. No detectable traces of Th2Zn17 phase can be found. A new phase diagram has been given based on the DTA results. Tb2Fe17 compound shows a congruent melting point of 1316 degreesC with 89.5 at % Fe and an eutectic point at 1301 degreesC With 92.5 at % Fe, which is different From the peritectic reacting published in some previous reports (see Dariel et al., J. Lesscommon Met. 35 (1976) 91). The magnetic measurements revealed a small difference in the magneto-crystalline anisotropy which could be measured in good crystal samples. Some growth conditions, such as high rate and non-stoichiometrical starting material, caused second-phase defects. Those defects are difficult to be observed by metallography. but can be indirectly found by measuring the magnetization behavior, type II first-order magnetization process (FOMP). Our results indicate that some defects might affect the rotation path of the magnetic victors in the FOMP. (C) 2001 Elsevier Science B.V. All rights reserved. |
收录类别 | SCI |
语种 | 英语 |
公开日期 | 2013-09-24 |
内容类型 | 期刊论文 |
源URL | [http://ir.iphy.ac.cn/handle/311004/52630] ![]() |
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, JL,Wu, GH,Zhao, DQ,et al. Single-crystal growth and phase diagram of Tb2Fe17 compound[J]. JOURNAL OF CRYSTAL GROWTH,2001,222(4):779. |
APA | Chen, JL.,Wu, GH.,Zhao, DQ.,Gao, SX.,Zhan, WS.,...&Xu, GZ.(2001).Single-crystal growth and phase diagram of Tb2Fe17 compound.JOURNAL OF CRYSTAL GROWTH,222(4),779. |
MLA | Chen, JL,et al."Single-crystal growth and phase diagram of Tb2Fe17 compound".JOURNAL OF CRYSTAL GROWTH 222.4(2001):779. |
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