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Showing papers by "Ajit Kumar Meikap published in 1991"


Journal ArticleDOI
TL;DR: In this paper, the magnetoresistance due to weak electron localization is used to investigate inelastic and spin-orbit scattering times in vanadium oxide films, and the temperature dependence of inlastic scattering time is compared with the theoretical values.
Abstract: Low temperature magnetoresistance measurements of vanadium oxide films have been performed. Both the resistance and magnetoresistance are well explained by weak electron localization and electron-electron interaction effects. The magnetoresistance due to weak electron localization is used to investigate inelastic and spin-orbit scattering times. Spin-orbit scattering time is independent of temperature. The temperature dependence of inelastic scattering time is compared with the theoretical values. In the temperature range 1.5 K≤T≤5 K, the inelastic scattering occurs due to only electron-electron interaction.

13 citations


Journal ArticleDOI
TL;DR: The magnetic scattering of Co on the surface of Al has been extensively investigated by weak localization method as mentioned in this paper, and the anomalous sharp decrease of magnetic scattering with lowering temperature is observed.

9 citations