Magnetic instability in HTSC films

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132_physicaB_1994.pdf
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1994
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Brüll, Peter
Bujok, V.
Herminghaus, Stephan
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Physica / B [Condensed Matter]. 1994, 194-196(Part 2), pp. 1861-1862. Available under: doi: 10.1016/0921-4526(94)91430-3
Zusammenfassung

We have investigated the short time dynamics in the magnetic flux distribution of thin YBa2Cu3O7-x films by means of time resolved magnetooptics. Local heating of the superconductor with a focussed laser pulse in a region with high shielding currents leads to an instability in the magnetic flux distribution. A pump probe technique allowed to visualize changes in the flux distribultion on a nanosecond time sale. The instability develops in two steps giving rise to additional flux penetration and to a branching of the flux front into the superconductor.

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ISO 690BRÜLL, Peter, V. BUJOK, Johannes BONEBERG, Stephan HERMINGHAUS, Paul LEIDERER, 1994. Magnetic instability in HTSC films. In: Physica / B [Condensed Matter]. 1994, 194-196(Part 2), pp. 1861-1862. Available under: doi: 10.1016/0921-4526(94)91430-3
BibTex
@article{Brull1994Magne-4947,
  year={1994},
  doi={10.1016/0921-4526(94)91430-3},
  title={Magnetic instability in HTSC films},
  number={Part 2},
  volume={194-196},
  journal={Physica / B [Condensed Matter]},
  pages={1861--1862},
  author={Brüll, Peter and Bujok, V. and Boneberg, Johannes and Herminghaus, Stephan and Leiderer, Paul}
}
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