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The influence of radiation damage on the superconducting properties of thin film YBa2Cu3O7-δ

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4 Author(s)
D. B. Chrisey ; US Naval Res. Lab., Washington, DC ; W. G. Maisch ; G. P. Summers ; A. R. Knudson

The authors report measurements of the effects of high-energy (~60 MeV) H and He ion irradiation of thin films of YBa2Cu3 O7-δ produced by plasma-arc spray and laser evaporation, and of low-energy (~10 MeV) B and N ion irradiation of laser evaporated films. The observed changes in the resistance versus temperature behavior for H and He ion irradiation of the plasma-arc spray films are much more dramatic than that observed for films produced by other techniques and resembles, qualitatively, a bond percolation threshold. In contrast, high-energy H and He ion irradiation of the laser-evaporated films resulted in a negligible change in the resistance-temperature behavior. Low-energy B and N ion irradiation of laser-evaporated films gradually lowered the completion temperature of the superconducting transition

Published in:

IEEE Transactions on Nuclear Science  (Volume:35 ,  Issue: 6 )