Geometrical control of 3C and 6H-SiC nucleation on low off-axis substrates

Valdas Jokubavicius, Rickard Liljedahl, Yiyu Ou, Haiyan Ou, Satoshi kamiyama, Rositza Yakimova, Mikael Syväjärvi

Research output: Contribution to journalJournal articleResearchpeer-review


Growth of 3C or 6H-SiC epilayers on low off-axis 6H-SiC substrates can be mastered by changing the size of the on axis plane formed by long terraces in the epilayer using geometrical control. The desired polytype can be selected in thick (~200 μm) layers of both 6H-SiC and 3C-SiC polytypes on substrates with off-orientation as low as 1.4 and 2 degrees. The resultant crystal quality of the 3C and the 6H-SiC epilayers, grown under the same process parameters, deteriorates when lowering the off-orientation of the substrate.
Original languageEnglish
JournalMaterials Science Forum
Pages (from-to)103-106
Publication statusPublished - 2011


  • Sublimation Epitaxy
  • 6H-SiC
  • 3C-SiC
  • Geometrical Control

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