Photoconductance of a submicron oxidized line in surface conductive single crystalline diamond - Condensed Matter > Mesoscale and Nanoscale PhysicsReport as inadecuate




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Abstract: We report on sub-bandgap optoelectronic phenomena of hydrogen-terminateddiamond patterned with a submicron oxidized line. The line acts as an energybarrier for the two-dimensional hole gas located below the hydrogenated diamondsurface. A photoconductive gain of the hole conductivity across the barrier ismeasured for sub-bandgap illumination. The findings are consistent withphotogenerated electrons being trapped in defect levels within the barrier. Wediscuss the spatial and energetic characteristics of the optoelectronicphenomena, as well as possible photocurrent effects.



Author: M. Stallhofer, M. Seifert, M. Hauf, G. Abstreiter, M. Stutzmann, J. Garrido, A.W. Holleitner

Source: https://arxiv.org/







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