Atiwongsangthong, Narin
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Preferred name
Atiwongsangthong, Narin
Alternative Name
Atiwongsangthong, N.
Main Affiliation
Email
narin.at@kmitl.ac.th
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Item type:Publication, Defects study by activation energy profile for lowering leakage current in p-n junction(2011-01-01); Niemcharoen, SurasakDiode leakage current consists of diffusion (I<inf>d</inf>) and generation current (I<inf>g</inf>), which is strongly sensitive to the residual defect density. These defects can be studied by activation energy (E<inf>a</inf>). Therefore, this paper presents a method for calculating activation energy of silicon p-n junctions from volume generation current. It combines temperature-dependent current-voltage (I -V) and capacitance- voltage (C-V) measurements of diodes. The I<inf>g</inf> can be found from the volume leakage current by subtraction of the volume diffusion current, which is calculated while the depletion width is zero. The activation energy (E<inf>a</inf>) is derived from slope of an Arrhenius plot of I<inf>g</inf>. To derive the correct slope the temperature dependence of the depletion width, which is obtained from the corrected volume capacitance has been applied. The E<inf>a</inf> profile below junction has been shown. The lower E<inf>a</inf> value has been found near the junction, which may relate to the junction implantation. © (2011) Trans Tech Publications. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Fabrication, characterization and analysis of ITO/n-Si Schottky photodetector(2010-07-30);