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Tunable curie temperature around room temperature and magnetocaloric effect in ternary ce–fe–b amorphous ribbons
Li,Zhu-bai1,3; Zhang,Le-le1,2; Zhang,Xue-feng1,2; Li,Yong-feng1,2; Zhao,Qian1,2; Zhao,Tong-yun1,3; Shen,Bao-gen1,3
刊名Journal of physics d: applied physics
2016-11-22
卷号50期号:1
关键词Ce–fe–b Amorphous magnets Curie temperature Magnetocaloric effect
ISSN号0022-3727
DOI10.1088/1361-6463/50/1/015002
英文摘要Abstract ce13?xfe81+xb6 (x??=??0, 0.5, 1, 1.5, and 2) amorphous magnets were prepared by melt-spinning method. these magnets are magnetically soft at low temperature, and undergo a second-order phase transition from ferromagnetic to paramagnetic state near room temperature with a broad temperature span. the phase-transition temperature is tunable by the variation of the ce/fe atomic ratio, which is mainly due to the change of the coordination number of fe atoms in these ternary ce–fe–b amorphous magnets. though the entropy change is low, the refrigeration capacities are in the ranges of 116–150 j kg?1 and 319–420 j kg?1, respectively, for the magnetic field changes of 0–2 t and 0–5 t, which is comparable with those of conventional magnetic materials for room-temperature refrigeration. given the low cost of fe and ce, ce–fe–b amorphous magnets are attractive magnetic refrigerant candidates.
语种英语
出版者IOP Publishing
WOS记录号IOP:0022-3727-50-1-015002
内容类型期刊论文
URI标识http://www.corc.org.cn/handle/1471x/2373531
专题物理研究所
作者单位1.Key Laboratory of Integrated Exploitation of Bayan Obo Multi-Metal Resources, Inner Mongolia University of Science and Technology, Baotou 014010, People’s Republic of China
2.School of Science, Inner Mongolia University of Science and Technology, Baotou 014010, People’s Republic of China
3.State Key Laboratory for Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
推荐引用方式
GB/T 7714
Li,Zhu-bai,Zhang,Le-le,Zhang,Xue-feng,et al. Tunable curie temperature around room temperature and magnetocaloric effect in ternary ce–fe–b amorphous ribbons[J]. Journal of physics d: applied physics,2016,50(1).
APA Li,Zhu-bai.,Zhang,Le-le.,Zhang,Xue-feng.,Li,Yong-feng.,Zhao,Qian.,...&Shen,Bao-gen.(2016).Tunable curie temperature around room temperature and magnetocaloric effect in ternary ce–fe–b amorphous ribbons.Journal of physics d: applied physics,50(1).
MLA Li,Zhu-bai,et al."Tunable curie temperature around room temperature and magnetocaloric effect in ternary ce–fe–b amorphous ribbons".Journal of physics d: applied physics 50.1(2016).
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