Paper Title:
6H(n+)/3C(n)/6H(p+) - SiC Structures Grown by Sublimation Epitaxy
  Abstract

Investigation of the multilayer 6H(n+)/3C(n)/6H(p+)-SiC heterostructure grown by sublimation epitaxy show that the injection electroluminescence (IEL) in the green region (hνmax≈2.30-2.35eV) of spectrum is dominant. This band is close to the electroluminescence peak due to defects in 6H-SiC but also can be due to free exciton annihilation in a quantum well in 3C-SiC at the 6H/3C-SiC heterointerface. At high current the IEL peak at hνmax≈2.9 eV is found. This peak (and also two another peaks in blue part of spectra: hνmax≈2.6 eV and hνmax≈2.72 eV) can be attributed to recombination in 6H-SiC. The forward current-voltage characteristics for best structures are close to those for ideal 6H-SiC pn homostructure and characterized by abrupt breakdown. A lot of structures are characterized by barrier type excess current. Structure in the region of evident 3C-SiC inclusion is characterized by high forward and reverse excess currents.

  Info
Periodical
Solid State Phenomena (Volumes 108-109)
Edited by
B. Pichaud, A. Claverie, D. Alquier, H. Richter and M. Kittler
Pages
713-716
DOI
10.4028/www.scientific.net/SSP.108-109.713
Citation
A. M. Strel'chuk, A. A. Lebedev, A.E. Cherenkov, A. N. Kuznetsov, A. S. Tregubova, M.P. Scheglov, L.M. Sorokin, S. Yoneda, S. Nishino, "6H(n+)/3C(n)/6H(p+) - SiC Structures Grown by Sublimation Epitaxy ", Solid State Phenomena, Vols. 108-109, pp. 713-716, 2005
Online since
December 2005
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$32.00
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