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Optical properties of 4H-SiC

Ahuja, Rajeev (author)
Condensed Matter Theory Group, Department of Physics, Uppsala University, P.O. Box 530, SE-751 21 Uppsala, Sweden
da Silva, A. F. (author)
Ferreira Da Silva, A., Instituto de Física, Universidade Federal da Bahia, Campus Universitario de Ondina, 40 210 340 Salvador, Ba, Brazil
Persson, Clas (author)
Condensed Matter Theory Group, Department of Physics, Uppsala University, P.O. Box 530, SE-751 21 Uppsala, Sweden
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Osorio-Guillen, J. M. (author)
Osorio-Guillén, J.M., Condensed Matter Theory Group, Department of Physics, Uppsala University, P.O. Box 530, SE-751 21 Uppsala, Sweden
Pepe, I. (author)
Instituto de Física, Universidade Federal da Bahia, Campus Universitario de Ondina, 40 210 340 Salvador, Ba, Brazil
Järrendahl, Kenneth (author)
Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
Lindquist, O.P.A. (author)
Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
Edwards, N. V. (author)
Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
Wahab, Qamar Ul (author)
Linköpings universitet,Tekniska högskolan,Halvledarmaterial
Johansson, Börje (author)
Condensed Matter Theory Group, Department of Physics, Uppsala University, P.O. Box 530, SE-751 21 Uppsala, Sweden
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Condensed Matter Theory Group, Department of Physics, Uppsala University, PO. Box 530, SE-751 21 Uppsala, Sweden Ferreira Da Silva, A., Instituto de Física, Universidade Federal da Bahia, Campus Universitario de Ondina, 40 210 340 Salvador, Ba, Brazil (creator_code:org_t)
AIP Publishing, 2002
2002
English.
In: Journal of Applied Physics. - : AIP Publishing. - 0021-8979 .- 1089-7550. ; 91:4, s. 2099-2103
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The optical band gap energy and the dielectric functions of n-type 4H-SiC have been investigated experimentally by transmission spectroscopy and spectroscopic ellipsometry and theoretically by an ab initio full-potential linear muffin-tin-orbital method. We present the real and imaginary parts of the dielectric functions, resolved into the transverse and longitudinal photon moment a, and we show that the anisotropy is small in 4H-SiC. The measurements and the calculations fall closely together in a wide range of energies.

Keyword

sic polytypes
n-type
power applications
brillouin-zone
special
points
band
systems
devices
TECHNOLOGY

Publication and Content Type

ref (subject category)
art (subject category)

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