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Influence of the Heat Treatment Duration on the Critical Temperature for the Break-Down of Vertical Bloch Line Chains |
| HAN BaoShan;R.Dahlbeck;Yuan Yuling;J.Engemann |
| Department of Electrical Engineering, Unversity of Wuppertal 5600 Wuppertal 1, Germany on leave from the Institute of Physics, Academia Sinica, Beijing 100080 |
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| Cite this article: |
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HAN BaoShan, R.Dahlbeck, Yuan Yuling et al 1991 Chin. Phys. Lett. 8 597-599 |
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Abstract For longer heat treatment duration(10 and 30 min), near and within the transition region, the softening fraction ρ has an obvious, but not very large increase and the increment for 30 min is greater than that for 10 min. As a result, the critical temperature T0 is only lowered by 2～3°C for a typical sample. The above results indicate the existence of a quasi-static athermal instability, and the thermal activation of Bloch points is only of secondary importance.
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| Keywords:
75.70.Kw
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Published: 01 November 1991
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| PACS: |
75.70.Kw
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(Domain structure (including magnetic bubbles and vortices))
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