Microwave study of the high-Tc superconductor La1.8Sr0.2CuO4

M. Poirier*, G. Quirion, Kenneth Poeppelmeier, J. P. Thiel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


High-Tc superconductivity is investigated by a microwave-cavity perturbation technique in the compound La1.8Sr0.2CuO4. Both the microwave loss and frequency shift show a rapid decrease at 39 K, the onset of the superconducting transition. A significant microwave absorption is also observed well below the transition. The data are used to determine the sample resistivity in the normal state and characterize the superconducting transition in an applied magnetic field.

Original languageEnglish (US)
Pages (from-to)3906-3909
Number of pages4
JournalPhysical Review B
Issue number7
StatePublished - Jan 1 1987

ASJC Scopus subject areas

  • Condensed Matter Physics

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