V. V. Nikesh

V. V. Nikesh
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V. V. Nikesh

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Physics - Mesoscopic Systems and Quantum Hall Effect (1)

Publications Authored By V. V. Nikesh

We study the effect of a surface modification at the interface between metallic electrodes and semiconducting substrate in Semi-Insulating GaAs (SI-GaAs) based photoconductive emitters (PCE) on the emission of Tera-Hertz (THz) radiation. We partially etch out 500 nm thick layer of SI-GaAs in grating like pattern with various periods before the contact deposition. By depositing the electrodes on the patterned surface, the electrodes follow the contour of the grating period. Read More