Zobrazeno 1 - 10
of 22
pro vyhledávání: '"K Chourou"'
Autor:
Michel Pons, Y Grange, C Faure, J.M. Dedulle, Jean-Marie Bluet, Elisabeth Blanquet, M Anikin, P Grosse, K Chourou, Claude Bernard, Roland Madar, G Basset
Publikováno v:
Materials Science and Engineering: B. :82-85
The influence of the temperature and its gradient on powder features and defect formation is discussed in the light of experimental results in the physical vapour transport process. The recrystallization of the source powder during crystal growth app
Autor:
Y Grange, M Couchaud, M Anikin, P Grosse, C Faure, B Ferrand, K Chourou, G Basset, C. Calvat, Roland Madar, Jean-Marie Bluet
Publikováno v:
Materials Science and Engineering: B. :58-62
We have investigated the influence of crucible purity on SiC crystals grown by physical vapor transport. A quadrupole gas analyser has been used to monitor the outgas stage of the growth system. Secondary ion mass spectroscopy (SIMS) and glow dischar
Autor:
C Faure, Y Grange, Jean-Marie Bluet, K Chourou, P Grosse, M Anikin, Michel Pons, G Basset, Roland Madar
Publikováno v:
Materials Science and Engineering: B. :73-76
6H-SiC ingots with diameters of 25-35 mm with flat natural surfaces have been grown by the Modified Lely method. Influence of the growth conditions and crucible geometry on the growth front shape and on the enlargement of the seeds have been investig
Autor:
P Grosse, M Anikin, Claude Bernard, Roland Madar, G Basset, K Chourou, C Faure, Alexander Pisch, Michel Pons, J.M. Dedulle, Elisabeth Blanquet, Y Grange
Publikováno v:
Scopus-Elsevier
Different computational tools have helped to provide additional information on the sublimation growth of SiC single crystals by the modified-Lely method. The modelling work was motivated by the need of a better control of the local temperature field
Publikováno v:
Materials Science and Engineering: B. :212-216
Infrared reflectivity is investigated as a useful tool for SiC polytype identification. The oscillator parameters (energy, oscillator strength and damping) of the weak folded modes, arising from the folding of the axial optic branch, are determined i
Autor:
M Anikin, Georges Bremond, Bernard Clerjaud, Roland Madar, K Chourou, C Naud, Gérard Guillot, V Lauer, Abdelkader Souifi
Publikováno v:
Materials Science and Engineering: B. :248-252
Vanadium deep acceptor level in bulk 6H–SiC and 4H–SiC has been studied by deep level transient spectroscopy (DLTS), optical absorption (OA), photoluminescence (PL) and deep level optical spectroscopy (DLOS). DLTS reveals two levels related to va
Publikováno v:
Materials Science Forum. :45-48
Autor:
Gérard Guillot, Odette Chaix-Pluchery, Sandrine Juillaguet, K Chourou, V. Lauer, R. Pons, M Anikin, Jean-Marie Bluet, Michel Pons, Jean Camassel
Publikováno v:
Materials Science Forum. :17-20
Autor:
Roland Madar, Michel Pons, J.M. Dedulle, M Anikin, Elisabeth Blanquet, Claude Bernard, K Chourou
Publikováno v:
Surface and Coatings Technology. :279-284
The deposition of single SiC crystals has been processed inside a sealed enclosure at temperatures above 2300 K and pressures lower than 5 × 103 Pa by the modified Lely method. The purpose of this work is to present different optimized macroscopic m
Autor:
Claude Bernard, Elisabeth Blanquet, Michel Pons, M. Labeau, K Chourou, S. Milita, J.M. Dedulle, J. Baruchel, M Anikin, Roland Madar
Publikováno v:
Scopus-Elsevier
A perfect understanding of the origin of defects in connection with crystal growth conditions is of prime importance for the future of SiC based electronic. In the generally used modified Lely method (M-Lely), the growth takes place by incongruent su
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