Solution growth of single crystalline 6H-SiC from Si-Ti-C ternary solution

Kenji Suzuki*, Kazuhiko Kusunoki, Nobuyuki Yashiro, Nobuhiro Okada, Kazuhito Kamei, Akihiro Yauchi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Solution growth of 6H-SiC single crystal from Si-Ti-C ternary solution using the accelerated crucible rotation technique (ACRT) was performed. The SiC growth rate exceeding 200 um/hr was achieved in several ACRT conditions. Such a high growth rate can be ascribed to the enhancement of the carbon transport from the graphite crucible to the growth interface due to the use of the ACRT. The incorporation of inclusions of Si-Ti solvent in the grown SiC crystal was also significantly suppressed by using the ACRT. The intensive convection near the growth interface induced by the ACRT resulted in not only the marked increase of SiC growth rate but also the superior homogeneity in the surface morphology, It was concluded that faster stable growth could be accomplished in the SiC solution growth using the ACRT. The obtained SiC self-standing crystal exhibited homogeneous green colour without cracks and inclusions. We investigated the crystalline quality of the grown SiC crystal by means of X-ray diffraction. The ω-scan rocking curves of (0006) reflection measured by X-ray diffraction provided the FWHM of 15-20 arc second showing the excellent crystallinity of the solution grown 6H-SiC single crystal.

Original languageEnglish
Pages (from-to)89-94
Number of pages6
JournalKey Engineering Materials
Publication statusPublished - 2007
Externally publishedYes


  • 6H-SiC
  • Accelerated crucible rotation technique (ACRT)
  • Fluid flow analysis
  • Si-Ti-C ternary solution
  • Single crystal
  • Solution growth

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemical Engineering (miscellaneous)


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