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Temperature Stability of Vertical Bloch Line Chains in the Walls of the First Kind of Dumbbell Domains |
JI Ping;LIU Dapeng1;NIU Xiude2;HAN Baoshan |
Institute of Physics, Academia Sinica, Beijing 100080
1North China Institute of Electric power, Baoding 071003
2Department of Physics, Shanghai Jiaotong University, Shanghai 200030
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Cite this article: |
JI Ping, LIU Dapeng, NIU Xiude et al 1991 Chin. Phys. Lett. 8 211-214 |
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Abstract The “softening” process of the first kind of dumbbell domains (IDs) with the increase of temperature was experimentally revealed as follows: IDs first convert to ordinary hard bubbles (OHBs) through a partial loss of the vertical Bloch lines (VBLs) in their walls and then these OHBs convert to soft (normal) bubbles (SBs) through a further loss of VBLs. As a result, the critical temperature for the break down of VBL chains of IDs is apparently higher than OHBs.
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Keywords:
75.70.Kw
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Published: 01 April 1991
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PACS: |
75.70.Kw
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(Domain structure (including magnetic bubbles and vortices))
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Abstract
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