SiC epitazial layers grown by chemical vapor deposition
Epitaxial growth of 4H-SiC is reported in a horizontal low-pressure hot-wall(LP-HW-CVD) reactor at temperature 1580℃ and lOOmbar. The substrates were Si-face, n-type, 4H-SiC oriented 8° off-axis toward the1 12- 0 direction. Surface of SiC epitaxial layers were studied. Atomic force microscope ( AFM) and scanning electron microscopy (SEM) were used to investigate the epitaxial layer surface. Fourier transform infrared spectroscopy(FTIR) was used to analysis epitaxial layers thickness. The surface roughness of the samples was analyzed using atomic force microscopy (AFM). Current-voltage (C-V) measurements determined the doping concentration in the films. The structural quality was assessed by X-ray diffraction rocking curves.
SiC CVD SEM FTIR AFM
Yuehu Wang Yuming Zhang Yimen Zhang Renxu Jia Da Chen
School of Microelectronics Xidian University Key Laboratory of Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices, Xian,Shaaxi, China 710071
国际会议
2008 International Workshop on Junction Technology(第六届结技术国际研讨会)
上海
英文
210-212
2008-05-15(万方平台首次上网日期,不代表论文的发表时间)