Paper Title:
Influence of Cooling Rate after High Temperature Annealing on Deep Levels in High-Purity Semi-Insulating 4H-SiC
  Abstract

The influence of different cooling rates on deep levels in 4H-SiC after high temperature annealing has been investigated. The samples were heated from room temperature to 2300°C, followed by a 20 minutes anneal at this temperature. Different subsequent cooling sequences down to 1100°C were used. The samples have been investigated using photoluminescence (PL) and IV characteristics. The PL intensities of the silicon vacancy (VSi) and UD-2, were found to increase with a faster cooling rate.

  Info
Periodical
Materials Science Forum (Volumes 556-557)
Edited by
N. Wright, C.M. Johnson, K. Vassilevski, I. Nikitina and A. Horsfall
Pages
371-374
DOI
10.4028/www.scientific.net/MSF.556-557.371
Citation
A. Gällström, B. Magnusson, P. Carlsson, N. T. Son, A. Henry, F. C. Beyer, M. Syväjärvi, R. Yakimova, E. Janzén, "Influence of Cooling Rate after High Temperature Annealing on Deep Levels in High-Purity Semi-Insulating 4H-SiC", Materials Science Forum, Vols. 556-557, pp. 371-374, 2007
Online since
September 2007
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Price
$32.00
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