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Field Emission Mechanism of H-Terminated N-Type Diamond NEA Surface
Published online by Cambridge University Press: 10 January 2012
Abstract
Field electron emission model of hydrogen-terminated n-type diamond was discussed. Ultra-violet photoelectron spectroscopy characterizations indicated that the electron affinity was -0.7 eV and an internal barrier of about 3.5 eV existed on the surface. Field electron emission properties depended on anode-diamond distances. Schottky barrier lowering model suggested that this internal barrier was lowered by the electric field (5.4x106 V/cm) applied onto the negative electron affinity surface of the H-terminated n-type diamond.
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- Copyright © Materials Research Society 2012