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M. Brezeanu, T. Butler, N. L. Rupesinghe, G. A. J. Amaratunga, S. J. Rashid, F. Udrea, M. Avram, G. Brezeanu. Ramp oxide termination structure using high-k dielectrics for high voltage diamond Schottky diodes . Diamond and Related Materials, Volume 16, Issues 4-7, pp. 1020-1024 , 2007.

Abstract: The promising theoretical properties of diamond, together with the recent advances in producing high-quality single crystal diamond substrates, have increased the interest in using diamond in power electronic devices. This paper presents numerical and experimental off-state results for a diamond Schottky barrier diode (SBD), one of most studied unipolar devices in diamond. Finding a suitable termination structure is an essential step towards designing a high voltage diamond device. The ramp oxide structure shows very encouraging electronic performance when used to terminate diamond SBDs. High-k dielectrics are also considered in order to further improve the reliability and electrical performance of the structure.

Keywords: Electronic device structures, High power electronics, Schottky diodes


Posted by Mihai Brezeanu


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