Paramagnetic resonance and non-resonant microwave absorption in the Bi-Ca-Sr-Cu-Oxide high temperature superconductors

Electron paramagnetic resonance and low field non-resonant microwave absorption are reported in the BiCaSrCuoxide high temperature superconductor. Two different Cu 2+ EPR resonances are observed in samples with semiconducting impurities phases, one having an isotropic g tensor and the other an a...

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Bibliographic Details
Published inSolid state communications Vol. 68; no. 6; pp. 523 - 526
Main Authors Owens, F.J., Iqbal, Z.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.11.1988
Elsevier
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Properties of type I and type II superconductors
Superconductivity
Temperature
Microwave absorption
Josephson junction
Transition metal Compounds
Bismuth Calcium Copper Strontium Oxides Mixed
Electron paramagnetic resonance
Low field
Experimental study
High temperature superconductor
Low temperature
Inorganic compound
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Summary:Electron paramagnetic resonance and low field non-resonant microwave absorption are reported in the BiCaSrCuoxide high temperature superconductor. Two different Cu 2+ EPR resonances are observed in samples with semiconducting impurities phases, one having an isotropic g tensor and the other an anisotropic g tensor. An EPR signal is absent in samples in which no impurities phases are present. The low field microwave absorption attributed to inter-domain Josephson junctions formed within the grains of the material is observed and its temperature dependence in the superconducting phase has been measured.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(88)90196-2