Epitaxial Overgrowth of 4H-SiC for Devices with p-Buried Floating Junction Structure

Author:

Nishio Johji1,Ota Chiharu1,Shinohe Takashi1,Kojima Kazutoshi2,Okumura Hajime2

Affiliation:

1. Toshiba Corporation

2. National Institute of Advanced Industrial Science and Technology (AIST)

Abstract

The epitaxial overgrowth process was examined with a view to realizing the p-buried floating junction structure. The growth condition was investigated to reduce the p-type impurity contamination and to minimize the auto-doping. Total p-type impurity concentration was reduced to 1/50 of the n-type carrier concentration of the drift layers. The buried p-type floating structure was realized for the first time, using 4H-SiC material.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference10 articles.

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