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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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| Cite this article: |
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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.
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| Keywords:
75.70.Kw
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Published: 01 August 1995
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| PACS: |
75.70.Kw
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(Domain structure (including magnetic bubbles and vortices))
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