Absorption of electromagnetic radiation by superconducting YBa2Cu3O7: an oxygen-induced phenomenon

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, , Citation S V Bhat et al 1987 J. Phys. C: Solid State Phys. 20 L559 DOI 10.1088/0022-3719/20/23/008

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1 Dept. of Phys., Indian Inst. of Sci., Bangalore, India

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0022-3719/20/23/L559

Abstract

In the superconducting state, YBa2Cu3O7 absorbs electromagnetic radiation over a wide range of frequencies (8 MHz-9 GHz). The absorption is extremely sensitive to temperature, particle size and the magnetic field and depends crucially on the presence of oxygen. A possible explanation for the phenomenon based on the formation of Josephson junctions is suggested.

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