Observation of inter-grain Josephson effects in Y-Ba-Cu-O samples
V S Tomar A K Gupta Anurag Gupta S K Agarwal B Jayaram A V Narlikar
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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.
V S Tomar1 A K Gupta1 Anurag Gupta1 S K Agarwal1 B Jayaram1 A V Narlikar1
Volume 97, 2023
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