Observation of inter-grain Josephson effects in Y-Ba-Cu-O samples |
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| Authors: | V S Tomar A K Gupta Anurag Gupta S K Agarwal B Jayaram A V Narlikar |
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| Institution: | (1) National Physical Laboratory, Hillside Road, 110012 New Delhi, India |
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| Abstract: | Josephson effects have been observed in bulk samples of Y-Ba-Cu-O. The magnitude of the zero-voltage current is found to change
systematically with externally applied small magnetic fields of a few mG. It is also found to vary when samples are irradiated
with microwaves. These observations suggest the presence of inter-grain Josephson junctions. |
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| Keywords: | High temperature superconductivity Y-Ba-Cu-O Josephson effect |
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