Chin. Phys. Lett.  1995, Vol. 12 Issue (8): 489-492    DOI:
Original Articles |
Break Down of Vertical-Bloch-Line Chains in the First Kind of Dumbbell Domain Walls Subjected to an in-Plane Field
GUO Gexin;LU Wei1;SUN Huiyuan;NIE Xiangfu;MENG Guangqing2;HAN Baoshan2
Department of Physics, Hebei Teachers University, Shijiazhuang 050016 1Department of Physics, Hebei Teachers Institute, Shijiazhuang 050091 2State Key Laboratory for Magnetism, Institute of Physics, Academia Sinica, Beijing 100080
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GUO Gexin, LU Wei, SUN Huiyuan et al  1995 Chin. Phys. Lett. 12 489-492
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Abstract Experiments were statistically carried out on the behavior of the vertical-Bloch-line (VBL) chains of the first kind of dumbbell domains (IDs) in garnet bubble films subjected to an in-plane field, Hip. It was found that for IDs the critical in-plane field, (Hip)ID, above which their VBL chains disappear, is the same as that of ordinary hard bubbles (OHBs), H'ip. However, for IDS, the critical range of Hip for VBL chain softening is larger than that of OHBs. Besides, we also found some details of the softening process, e.g., the collapse field range of the remaining IDs shrinks rapidly towards H0,mas, and this very narrow range can maintain until all IDs are softened.

Keywords: 75.70.Kw     
Published: 01 August 1995
PACS:  75.70.Kw (Domain structure (including magnetic bubbles and vortices))  
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http://cpl.iphy.ac.cn/       OR      http://cpl.iphy.ac.cn/Y1995/V12/I8/0489
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GUO Gexin
LU Wei
SUN Huiyuan
NIE Xiangfu
MENG Guangqing
HAN Baoshan
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