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Magnetic and magnetothermal properties of the GdTi0.05Fe0.95-xMnxSi canted ferrimagnets
Intermetallics ( IF 4.3 ) Pub Date : 2021-07-31 , DOI: 10.1016/j.intermet.2021.107304
S.P. Platonov 1 , A.G. Kuchin 1 , A.S. Volegov 1, 2 , V.S. Gaviko 1, 2 , M. Yu Yakovleva 1
Affiliation  

The GdTi0.05Fe0.95-xMnxSi, х = 0–0.95 intermetallic compounds with a tetragonal crystal structure of the CeFeSi type (space group P4/nmm, N 129, tP6) have been studied. The lattice parameter c and the Curie temperature TC increase quickly, whereas the lattice parameter a is almost unchanged in the system when the content of Mn increases. The saturation magnetization, magnetocaloric effect MCE and refrigerant capacity RC change non-monotonically with a dip at intermediate compositions that is presumably due to the canted ferrimagnetic structure of these compounds. The MCE and RC vary in a field changing to 17 kOe within the small ranges of 1.6–2.7 J/kgK and 60–117 J/kg around TC, respectively, while TC changes in a wide range around the room temperature from 160 to 360 K.



中文翻译:

GdTi0.05Fe0.95-xMnxSi倾斜亚铁磁体的磁性和磁热性能

已经研究了 GdTi 0.05 Fe 0.95- x Mn x Si, х  = 0–0.95 具有 CeFeSi 型四方晶体结构(空间群P4/nmm、N 129、tP6)的金属间化合物。晶格参数c和居里温度T C迅速增加,而当Mn含量增加时,体系中的晶格参数a几乎没有变化。饱和磁化强度、磁热效应 MCE 和制冷剂容量RC随中间成分的下降而非单调变化,这可能是由于这些化合物的倾斜亚铁磁结构。MCE 和RC中的一个领域变化1.6-2.7焦耳/ KGK和周围60-117焦耳/千克的小范围内改变至17千奥斯特Ť Ç同时分别Ť Ç改变在宽范围内围绕室温从160到360ķ .

更新日期:2021-08-01
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