Magnetic study on single crystals of YMn6Ge6 and LuMn6Ge6

被引:0
作者
Koyama, M. [1 ]
Narumi, Y. [1 ]
Yoshii, S. [1 ]
Kindo, K. [1 ]
Zhang, L. [2 ]
Brück, E. [2 ]
Buschow, K.H.J. [2 ]
De Boer, F.R. [1 ,2 ]
Lefèvre, C. [3 ]
Venturini, G. [3 ]
机构
[1] KYOKUGEN, Osaka University, Toyonaka, Osaka 560-8531, Japan
[2] Van der Waals-Zeeman Instituut, Universiteit Van Amsterdam, 1018 XE Amsterdam, Netherlands
[3] Lab. Chim. Sol. Minéral, Université Henri Poincaré-Nancy 1, 54506 Vandoeuvre les Nancy Cedex, France
来源
Journal of Alloys and Compounds | 1600年 / 408-412卷
关键词
The magnetic properties of single crystals of the HfFe6Ge 6-type compounds YMn6Ge6 and LuMn 6Ge6 obtained in an In flux have been investigated by thermomagnetic measurements and by a high-field magnetization study. Both the compounds display Néel point at TN = 482 and 527 K; respectively. The compound YMn6Ge6 saturates at M s = 12 μB/f.u. above 33 T; whereas LuMn 6Ge6 is still not saturated in the largest applied field (M(50 T) = 9 μB/f.u.); thus indicating different strengths of the antiferromagnetic interactions. The magnetization curves of YMn 6Ge6 and LuMn6Ge6 recorded with the field applied along the c-axis display a field-induced transition at relatively low field (around 10 and 15 T; respectively); which should be related to spin reorientation process. In larger applied fields; all magnetization loops display two field-induced transitions with pronounced hysteretic behaviour which may be related to the successive stabilization of helical and fan structures. © 2005 Elsevier B.V. All rights reserved;
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页码:161 / 163
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