DEEP LEVELS IN 6H-SIC WAFERS AND STEP-CONTROLLED EPITAXIAL LAYERS

被引:13
作者
JANG, S [1 ]
KIMOTO, T [1 ]
MATSUNAMI, H [1 ]
机构
[1] KYOTO UNIV, DEPT ELECT ENGN, SAKYO KU, KYOTO 60601, JAPAN
关键词
D O I
10.1063/1.112302
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have investigated deep levels in 6H-SiC wafers grown by a modified Lely method and step-controlled epitaxial layers by transient capacitance methods. Several deep electron traps, Of which concentrations were on the order of 10(15) CM-3, located at 0.39-0.69 eV below the conduction band edge were observed in the 6H-SiC wafers. However, the epitaxial layers by step-controlled epitaxy had very few traps of which concentrations were below the detection limit (< 10(13) Cm-3).
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收藏
页码:581 / 583
页数:3
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