Scanning and transmission electron microscopy (SEM and TEM) were used to detect and characterize the interface de- fects. Conditions for preventing the formation of micropipes and …
In this work, we briefly survey the results of white beam phase contrast imaging to investigate the reactions of micropipes in SiC. We also give a short review of their experimental …
scanning electron microscopy (SEM) image in Fig. 1(c) shows the cross-section of the sample plate with 490 µm thickness. One can see hexagonal (I), slit-like (II), or elliptical (III) pores on …
- Studies of Cross Section Sem SIC Micropipe
micropipe formation mechanism, both micropipes and stacking fault clusters/partial dislocations are the products of the mismatched coalescence procedure, other than that the stacking fault …
Correlated reduction in micropipe cross sections in SiC …
Oct 13, 2008 · We reveal a correlated reduction in the cross sections of two neighboring micropipes (MPs) in the crystal growth of silicon carbide using computer simulation of phase contrast images. The correlated reduction is …
Micropipe healing in SiC wafers by liquid-phase epitaxy
Oct 15, 2004 · SEM micrograph of a cross-section cleavage plane trough a dislocation pit at the C-side grown from Si 10 Ge 90 melt. Raman micro-spectroscopy was performed on sample …
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Secondary electron and energy dispersive x-ray micrographs showing the cross-section of a thermal decomposition cavity in a 6H SiC crystal grown by physical vapor transport. The EDX …
Formation and evolution of micropipes in SiC crystals
Based on experimental observations of spiral steps at the growth front of SiC ingots, we propose that micropipes may originate from screw dislocation pairs with opposite Burgers vectors or …
Micropipe Reactions in Bulk SiC Growth - ResearchGate
Oct 10, 2011 · we experimentally measured the variatio n in cross-sections of two neighboring micropipes
Pink beam far-field imaging of micropipes and voids in …
Sep 24, 2014 · scanning electron microscopy (SEM) image in Fig. 1(c) shows the cross-section of the sample plate with 490 µm thickness. One can see hexagonal (I), slit-like (II), or elliptical (III) pores on...
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