Conductivity if the interface between La₀.₇Ca(Sr)₀.₃MnO₃ and underdoped YBa₂Cu₃O₇δ

Pavlo Mikheenko, Radoslav Chakalov, Radka Chakalova, Mark Colclough, Christopher Muirhead

Research output: Contribution to journalArticle

1 Citation (Scopus)


We report resistance/temperature, conductance/voltage and voltage/magnetic field measurements in a range of junctions between collosal magnetoresistive materials and the high temperature superconductor YBa2Cu3O7-delta We identify two forms of behaviour. In one form the resistance of the junction falls monotonically with decreasing temperature and is associated with zero bias conductance peaks. In the other form the resistance rises below some characteristic temperature T-*. In this latter case there is no zero bias conductance peak, but there are peaks in the voltage/magnetic field behaviour below T-*. We tentatively associate T-* with the pseudogap temperature. (C) 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)365-366
Number of pages2
JournalPhysica C Superconductivity
Publication statusPublished - 1 Aug 2004


  • Andreev reflection
  • pseudogap
  • interfaces
  • spin-polarisation


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