Electric Field Breakdown of Lateral Schottky Diodes of Diamond
Electric Field Breakdown of Lateral Schottky Diodes of Diamond
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DOI:
10.1143/jjap.46.l196
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发表时间:
2007-02
影响因子:
1.5
通讯作者:
T. Teraji;S. Koizumi;Y. Koide;T. Ito
中科院分区:
文献类型:
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作者:
T. Teraji;S. Koizumi;Y. Koide;T. Ito
Current–voltage characteristics of Al lateral Schottky diodes fabricated on homoepitaxial diamond (100) films were analyzed. The currents in reverse-bias voltages smaller and larger than 3 V were well explained by the image-force lowering mechanism modified by localized-field enhancement and the thermionic-field emission mechanism, respectively. An electric field breakdown was observed when the maximum electric field was in the range 1.08–1.46 MV/cm. The breakdown electric field became large with increasing the Schottky barrier height. These features suggest that the electric field breakdown occurred at the electrode fringe due to the field enhancement.