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Magnetic field penetration depth in thallium(2)-barium(2)-copper-oxide(6+) in the overdoped regime.

Author(s) : UEMURA Y. J., KEREN A., LE L. P., LUKE G. M., WU W. D., KUBO Y., MANAKO T., SHIMAKAWA Y., SUBRAMANIAN M., COBB J. L., MARKERT J. T.

Type of article: Article

Summary

The authors report muon spin relaxation measurements of magnetic field penetration depth in ceramic specimens of this superconductor (thallium-2201) in the "overdoped" region where critical temperature decreases with increasing hole doping. They find that the muon spin relaxation rate in thallium 2201 decreases with increasing hole doping. This behaviour of overdoped thallium-2201 is in marked contrast to conventional metallic superconductors having a retarded interaction, in which the normal-state properties directly represent the corresponding values in the superconducting state.

Details

  • Original title: Magnetic field penetration depth in thallium(2)-barium(2)-copper-oxide(6+) in the overdoped regime.
  • Record ID : 1994-2086
  • Languages: English
  • Source: Nature - vol. 364 - n. 6438
  • Publication date: 1993/08/12
  • Document available for consultation in the library of the IIR headquarters only.

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