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Evidence for the presence of remnant strain in grey-tracked $KTiOPO_4$

Satyanarayan, MN and Bhat, HL and Srinivasan, MR and Ayyub, P and Multani, MS (1995) Evidence for the presence of remnant strain in grey-tracked $KTiOPO_4$. In: Applied Physics Letters, 67 (19). pp. 2810-2812.

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Abstract

Grey tracks produced in $KTiOPO_4$ (KTP) by applying a dc electric field have been studied through optical absorption, Raman scattering, and synchrotron x-ray topography. A study of the optical absorption and Raman scattering from the grey-tracked region suggests that their formation is accompanied by changes in the electronic levels of $Ti^{4+}$. There is no evidence for a major structural change or disorder in the grey-tracked region. However, the x-ray topographs do indicate the presence of a remnant strain in the lattice, which might contribute to the observed changes in the Raman intensities.

Item Type: Journal Article
Additional Information: Copyright belongs to American Institute of Physics.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 17 Jun 2008
Last Modified: 19 Sep 2010 04:46
URI: http://eprints.iisc.ernet.in/id/eprint/14427

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