ANNIHILATION OF VERTICAL-BLOCH-LINE CHAINS IN THE WALLS OF ORDINARY HARD BUBBLES SUBJECTED TO JOINT STATIC BIAS FIELD AND IN-PLANE FIELD
WANG YUAN-FEI (王远飞)a, HAN BAO-SHAN (韩宝善)a, TANG GUI-DE (唐贵德)b, WANG HONG-XIN (王洪信)b, NIE XIANG-FU (聂向富)b
a State Key Laboratory of Magnetism, Institute of Physics, Academia Sinica, Beijing 100080, China; b Department of Physics, Hebei Teachers University, Shijiazhuang 050016, China
Abstract For the ordinary hard bubbles(OHBs) of garnet bubble films, the annihilation of the vertical-Bloch line (VBL) chains in their walls subjected to joint static bias field Hb and in plane field Hip was experimentally studied. The curves of two critical in-plane fields, H(1)ip and H′ip, vs Hb were measured. By means of the so-called "head-cut" and "tail-cut" experiments designed in this work, it was verified that for the OHBs subjected to Hip, their VBL chains with different lengths lose VBLs and become shorter simultaneously. It was also verified that the critical in-plane fields H(1)ip and H′ip correspond to the break down of the shortest and longest VBL chains of OHBs, respectively.
Received: 20 February 1997
Accepted manuscript online:
PACS:
75.70.Kw
(Domain structure (including magnetic bubbles and vortices))
Fund: Project supported by the National Natural Science Foundation of China.
Cite this article:
WANG YUAN-FEI (王远飞), HAN BAO-SHAN (韩宝善), TANG GUI-DE (唐贵德), WANG HONG-XIN (王洪信), NIE XIANG-FU (聂向富) ANNIHILATION OF VERTICAL-BLOCH-LINE CHAINS IN THE WALLS OF ORDINARY HARD BUBBLES SUBJECTED TO JOINT STATIC BIAS FIELD AND IN-PLANE FIELD 1997 Acta Physica Sinica (Overseas Edition) 6 764
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