• Renu Tyagi

      Articles written in Bulletin of Materials Science

    • Temperature dependence of current—voltage characteristics of Au/n-GaAs epitaxial Schottky diode

      R Singh S K Arora Renu Tyagi S K Agarwal D Kanjilal

      More Details Abstract Fulltext PDF

      The influence of temperature on current-voltage (I-V) characteristics of Au/n-GaAs Schottky diode formed on n-GaAs epitaxial layer grown by metal organic chemical vapour deposition technique has been investigated. The dopant concentration in the epitaxial layer is 1 X 1016 cm-3. The change in various parameters of the diode like Schottky barrier height (SBH), ideality factor and reverse breakdown voltage as a function of temperature in the range 80–300 K is presented. The variation of apparent Schottky barrier height and ideality factor with temperature has been explained considering lateral inhomogeneities in the Schottky barrier height in nanometer scale lengths at the metal-semiconductor interface

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