Unusual magnetization process of Gd5Ge4: Effects of impurities of Gd | |
Ouyang, ZW ; Xia, ZC ; Wang, YC ; Rao, GH | |
刊名 | JOURNAL OF APPLIED PHYSICS
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2011 | |
卷号 | 109期号:2 |
关键词 | TRANSITION GD5SI2GE2 GD-5(SI2GE2) ALLOYS METALS PURITY |
ISSN号 | 0021-8979 |
通讯作者 | Ouyang, ZW (reprint author), Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China. |
中文摘要 | Unusual magnetization process has been observed in Gd5Ge4 prepared with commercial Gd of 99.9 wt %. First, the zero-field-cooled M(H) curves below 25 K contain a significant low-field ferromagnetic (FM) component followed by an unusually broadened field-induced antiferromagnetic (AFM)-FM transition, which was not observed in previous reports no matter if the sample owns a residual FM component or not. Second, the M(H) curves at 4.2 K collected using pulsed magnetic fields reveal some unusual dynamics on the low-field FM state and the following AFM-FM transition. Thus, the present sample of Gd5Ge4 is a new example showing complexity of the influence from impurities of Gd upon the magnetization process. (c) 2011 American Institute of Physics. [doi: 10.1063/1.3531995] |
收录类别 | SCI |
资助信息 | Scientific Research Foundation for Returned Scholars, Huazhong University of Science and Technology [0124012014] |
语种 | 英语 |
公开日期 | 2013-09-23 |
内容类型 | 期刊论文 |
源URL | [http://ir.iphy.ac.cn/handle/311004/46443] ![]() |
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 | Ouyang, ZW,Xia, ZC,Wang, YC,et al. Unusual magnetization process of Gd5Ge4: Effects of impurities of Gd[J]. JOURNAL OF APPLIED PHYSICS,2011,109(2). |
APA | Ouyang, ZW,Xia, ZC,Wang, YC,&Rao, GH.(2011).Unusual magnetization process of Gd5Ge4: Effects of impurities of Gd.JOURNAL OF APPLIED PHYSICS,109(2). |
MLA | Ouyang, ZW,et al."Unusual magnetization process of Gd5Ge4: Effects of impurities of Gd".JOURNAL OF APPLIED PHYSICS 109.2(2011). |
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