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Surface modifications in single crystal surfaces of YBa2Cu3O7-delta upon high energy ion irradiation

Lakhani, A and Ganesan, Vijaya and Elizabeth, Suja and Bhat, HL and Singh, R and Kanjilal, D (2006) Surface modifications in single crystal surfaces of YBa2Cu3O7-delta upon high energy ion irradiation. In: Indo German Workshop on Synthesis and Modifications of Nano-Structured Materials by Energetic Ion Beams,, Feb 20-24, 2005, New Delhi, India, pp. 120-123.

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Official URL: http://dx.doi.org/10.1016/j.nimb.2005.11.132


Atomic force microscopy investigations on swift heavy ion (200 MeV An) irradiated surfaces of a high T-c single crystal YBa2Cu3O7-delta are presented. Results obtained revealed an ion-induced erosion/sputtering clearly confirming our earlier observation on grain boundary dominated thin films. Apart from sputtering, notable effects were seen with many defect structures like dikes/hillocks surrounded by craters, dikes, holes, pearl like structures and ripple formation of sub-micron undulations, all in one crystal. Results are discussed in the light of co-operative phenomena of material re-distribution mechanism related to mass transfer and crater formations.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: SHI induced sputtering; erosion; craters and ripple formation; irradiation effects in YBCO; AFM.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Mr. BH Virupaksh
Date Deposited: 16 Sep 2010 10:52
Last Modified: 19 Sep 2010 06:15
URI: http://eprints.iisc.ac.in/id/eprint/31789

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