Chin. Phys. Lett.  2007, Vol. 24 Issue (1): 210-213    DOI:
Original Articles |
In-Situ Alignment of MnBi Crystals Induced by High Magnetic Field above Curie Temperature
LIU Yong-Sheng1;ZHANG Jin-Cang2;REN Zhong-Ming3;CAO Shi-Xun2
1Department of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090 2Department of Physics, Shanghai University, Shanghai 200444 3Department of Materials Science and Engineering, Shanghai University, Shanghai 200444
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LIU Yong-Sheng, ZHANG Jin-Cang, REN Zhong-Ming et al  2007 Chin. Phys. Lett. 24 210-213
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Abstract Above Curie temperature, MnBi crystals are aligned in situ along the c-axis in a Bi matrix by a high fabrication magnetic field Hf of 10T. Magnetic testing shows a pronounced anisotropy in magnetization in directions normal and parallel to the fabrication field, resulting from the alignment. The successful alignment may result from the fact that the easy magnetization direction is along the c-axis of MnBi and the high fabrication field of 10T is large enough to rotate the MnBi crystal to this direction even though the temperature is above the Curie temperature.
Keywords: 75.30.-m      75.30.Kz      75.25.+z     
Published: 01 January 2007
PACS:  75.30.-m (Intrinsic properties of magnetically ordered materials)  
  75.30.Kz (Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.))  
  75.25.+z  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2007/V24/I1/0210
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LIU Yong-Sheng
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