Macroscopic persistent currents in laser deposited YBa2Cu307 films

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1989
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Fröhlingsdorf, Joachim
Zander, W.
Stritzker, Bernd
Feile, Rudolf
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We have investigated persistent currents in a superconducting YBa2lCuO7 ring of about 1 cm diameter, which was deposited as c-axis textured film on a SrTiO3 substrate by laser ablation. The currents were registered, via their magnetic field distribution, with a small vibrating pick-up coil. At 77 K persistent currents with negligible decay over 103s have been observed below a critical current density jc=0.9xlo5A/cm2, both for a field-cooled and a zero-field-cooled sample. This demonstrates that it is possible to fabricate dissipationless devices of such films on a relatively large scale.

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ISO 690FRÖHLINGSDORF, Joachim, W. ZANDER, Bernd STRITZKER, Rudolf FEILE, Paul LEIDERER, 1989. Macroscopic persistent currents in laser deposited YBa2Cu307 films. In: Physica C. 1989, 159, pp. 513-518. Available under: doi: 10.1016/S0921-4534(89)80029-2
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@article{Frohlingsdorf1989Macro-9273,
  year={1989},
  doi={10.1016/S0921-4534(89)80029-2},
  title={Macroscopic persistent currents in laser deposited YBa2Cu307 films},
  volume={159},
  journal={Physica C},
  pages={513--518},
  author={Fröhlingsdorf, Joachim and Zander, W. and Stritzker, Bernd and Feile, Rudolf and Leiderer, Paul}
}
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