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Contactless conductivity of nanoparticles from electron magnetic resonance lineshape analysis

Padmalekha, KG and Bhat, SV (2010) Contactless conductivity of nanoparticles from electron magnetic resonance lineshape analysis. In: Solid State Communications, 150 (33-34). pp. 1518-1520.

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Official URL: http://dx.doi.org/10.1016/j.ssc.2010.06.014

Abstract

A contactless method to determine the electrical conductivity of nanoparticles is presented. It is based on the lineshape analysis of electron magnetic resonance signals which are `Dysonian' for conducting samples of sizes larger than the skin depth. The method is validated bymeasurements on a bulk sample of La0.67Sr0.33MnO3 where it gives values close to those obtained from direct measurement of conductivity and is then used to determine the conductivity of nanoparticles of La0.67Sr0.33MnO3 dispersed in polyvinyl alcohol as a function of temperature. (C) 2010 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Nanoparticles; Dysonian; Contactless conductivity; EMR.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 08 Sep 2010 06:28
Last Modified: 19 Sep 2010 06:15
URI: http://eprints.iisc.ernet.in/id/eprint/32016

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