• T Ravindran

      Articles written in Bulletin of Materials Science

    • Electrical switching in benzidine-DDQ under pressure

      T Ravindran S V Subramanyam

      More Details Abstract Fulltext PDF

      The effect of pressure on non-ohmic conduction and electrical switching in the charge transfer complex benzidine-DDQ has been studied up to a pressure of 7·66 GPa at a temperature of 300K. Pulsed I-V measurements reveal heating contribution to non-ohmicity and switching. At high electric fields (∼ 3 × 103 V/cm), the sample switches from high resistance OFF state of several kiloohms to low resistance ON state of several ohms. Temperature dependence of conductivity of ON state show semiconducting behaviour with very low activation energy.

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