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Proceedings Paper

Defect creation by swift heavy ion induced secondary electrons
Author(s): Naresh C. Mishra; Rajib Biswal; Dinakar Kanjilal; Devesh K. Avasthi
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Paper Abstract

Evolution of c-axis oriented YBa2Cu3O7-y (YBCO) thin films under 200 MeV Ag ion irradiation at 79 K is studied by in-situ temperature dependent resistivity and in-situ low temperature x-ray diffraction. The electronic energy loss (25.18 keV nm-1) of these ions is shown to induce secondary electrons, which create oxygen disorder selectively in the CuO basal planes of fully oxygenated YBCO in a cylindrical region of radius 97 nm around the ion induced latent tracks of radius 1.9 nm. This technique provides a unique way of creating oxygen disorder in a fully oxygenated YBCO, which was not possible earlier.

Paper Details

Date Published: 13 September 2011
PDF: 9 pages
Proc. SPIE 8144, Penetrating Radiation Systems and Applications XII, 814406 (13 September 2011); doi: 10.1117/12.893025
Show Author Affiliations
Naresh C. Mishra, Utkal Univ. (India)
Rajib Biswal, Utkal Univ. (India)
Dinakar Kanjilal, Inter Univ. Accelerator Ctr. (India)
Devesh K. Avasthi, Inter Univ. Accelerator Ctr. (India)

Published in SPIE Proceedings Vol. 8144:
Penetrating Radiation Systems and Applications XII
Gary P Grim; Richard C. Schirato, Editor(s)

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