Differences in SiC thermal oxidation process between crystalline surface orientations observed by in-situ spectroscopic ellipsometry

2015 ◽  
Vol 117 (9) ◽  
pp. 095306 ◽  
Author(s):  
Daisuke Goto ◽  
Yasuto Hijikata ◽  
Shuhei Yagi ◽  
Hiroyuki Yaguchi
2010 ◽  
Vol 160-162 ◽  
pp. 330-335 ◽  
Author(s):  
Xue Juan Cao ◽  
Yun Bo Lei ◽  
Wei Wang

Base asphalt can be separated into four fractions, which are saturates, naphetene aromatics, polar-aromatics and asphaltenes. The thermal oxidation process of each fraction was studied by in-situ Fourier transform infrared (FTIR) analysis in different atmospheres in this paper. And the results show that each fraction in nitrogen atmosphere has no obvious aging phenomenon, while in oxygen and air atmosphere, only saturates and naphetene aromatics have a drastic change because of thermal oxidation, and polar-aromatics and asphaltenes almost keep unchanged. When adding 2.5% antioxidant 300 or 5% SBS respectively to saturates and naphthene aromatics, it can be found from the results that the degree of thermal oxidation of these two components decrease.


Refractories ◽  
1992 ◽  
Vol 33 (1-2) ◽  
pp. 14-18
Author(s):  
Yu. A. Pirogov ◽  
P. Ya. Pustovar ◽  
I. A. Kutuzyan ◽  
Yu. F. Boiko

2004 ◽  
Vol 457-460 ◽  
pp. 1357-1360 ◽  
Author(s):  
Antonella Poggi ◽  
Roberta Nipoti ◽  
Sandro Solmi ◽  
M. Bersani ◽  
L. Vanzetti

2000 ◽  
Vol 623 ◽  
Author(s):  
J. C. Ferrer ◽  
Z. Liliental-Weber ◽  
H. Reese ◽  
Y.J. Chiu ◽  
E. Hu

AbstractThe lateral thermal oxidation process of Al0.98Ga0.02As layers has been studied by transmission electron microscopy. Growing a low-temperature GaAs layer below the Al0.98Ga0.02As has been shown to result in better quality of the oxide/GaAs interfaces compared to reference samples. While the later have As precipitation above and below the oxide layer and roughness and voids at the oxide/GaAs interface, the structures with low-temperature have less As precipitation and develop interfaces without voids. These results are explained in terms of the diffusion of the As toward the low temperature layer. The effect of the addition of a Si02 cap layer is also discussed.


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