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High critical-temperature superconducting switch.

Author(s) : DHALI S. K., MOHSIN M.

Type of article: Article

Summary

An investigation of a high-temperature superconducting switch using optical and current switching is reported. The switch was fabricated using a thin film of YBCO on strontium-titanium oxide substrate. A neodymium:YAG pulsed laser was used as a triggered source. The results of optical switching indicate that the switching from the superconducting to the normal state is due to the heating of the superconductor by the laser. Switching using current pulses shows a thermal hysteresis effect. The dependence of the switching characteristics on the bias and trigger intensity is discussed. Also, the results of a model based on heat equations is presented.

Details

  • Original title: High critical-temperature superconducting switch.
  • Record ID : 1993-1840
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 63 - n. 1
  • Publication date: 1992/01
  • Document available for consultation in the library of the IIR headquarters only.

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