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Kabanov, V.V.; Nikitenko, V.I.; Welp, U.; Crabtree, G.W.
Argonne National Lab., IL (United States). Funding organisation: USDOE Office of Energy Research, Washington, DC (United States)1997
Argonne National Lab., IL (United States). Funding organisation: USDOE Office of Energy Research, Washington, DC (United States)1997
AbstractAbstract
[en] The magnetic flux structure in HTSC single crystal plates during remagnetization in unidirectional and rotating fields is imaged using advanced magneto-optical techniques. it is found that bending of the flux lines is crucial for remagnetization scenario even in the case of thin plates in parallel fields. Flux bending results in formation of flux free cylinders (Meissner holes) surrounded by closed vortex loops. Essential increase of the current along the holes stipulates instabilities and appearance of unusual turbulent current and flux patterns
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1997; 2 p; International conference on materials and mechanisms of superconductivity: high temperature superconductors; Beijing (China); 28 Feb - 4 Mar 1997; CONF-970235--2; CONTRACT W-31109-ENG-38; Also available from OSTI as DE97003215; NTIS; US Govt. Printing Office Dep
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