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Physical Properties of Half-Heusler Antiferromagnet MnPtSn Single Crystal*

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Physical Properties of Half-Heusler Antiferromagnet MnPtSn Single Crystal*
文献类型:期刊
通讯作者:Lei, HC (reprint author), Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.; Lei, HC (reprint author), Renmin Univ China, Beijing Key Lab Optoelect Funct Mat & Micronano D, Beijing 100872, Peoples R China.; Petrovic, C (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Div, Upton, NY 11973 USA.
期刊名称:CHINESE PHYSICS LETTERS影响因子和分区
年:2020
卷:37
期:2
ISSN:0256-307X
关键词:75; 50; Ee; 75; 47; Np; 75; 47; -m
所属部门:物理学系
摘要:We report the growth of ternary half-Heusler MnPtSn single crystals and detailed study on its structural and physical properties. MnPtSn single crystal has a larger lattice parameter than that in polycrystal and it exhibits antiferromagnetism with transition temperature T-N at about 215 K, distinctly different from the ferromagnetism of MnPtSn polycrystal. Hall resistivity measurement indicates that the dominant carriers are hole-type and the nearly temperature-independent carrier concentration ...More
We report the growth of ternary half-Heusler MnPtSn single crystals and detailed study on its structural and physical properties. MnPtSn single crystal has a larger lattice parameter than that in polycrystal and it exhibits antiferromagnetism with transition temperature T-N at about 215 K, distinctly different from the ferromagnetism of MnPtSn polycrystal. Hall resistivity measurement indicates that the dominant carriers are hole-type and the nearly temperature-independent carrier concentration reaches about 2.86 x 10 (22) cm(-3) at 5 K. Moreover, the carrier mobility is also rather low (4.7 cm(2) center dot V(-1)s(-1) at 5 K). The above results strongly suggest that the significant Mn/Sn anti-site defects, i.e., the content of Mn in MnPtSn single crystal, play a vital role on structural, magnetic and transport properties. ...Hide

DOI:10.1088/0256-307X/37/2/027502
百度学术:Physical Properties of Half-Heusler Antiferromagnet MnPtSn Single Crystal*
语言:外文
基金:National Key R&D Program of China [2018YFE0202600, 2016YFA0300504]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [11574394, 11774423, 11822412]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities; Renmin University of China (RUC) [15XNLQ07, 18XNLG14, 19XNLG17]; Office of Basic Energy Sciences, Materials Sciences and Engineering Division, U.S. Department of Energy (DOE)United States Department of Energy (DOE) [DE-SC0012704]
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