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Characterization of 3C-SiC Films Grown on 4H- and 6H-SiC Substrate Mesas during Step-Free Surface Hetero-Epitaxy

  • Philip G. Neudeck
  • , J. Anthony Powell
  • , David J. Spry
  • , Andrew J. Trunek
  • , Xianrong Huang
  • , William M. Vetter
  • , Michael Dudley
  • , Marek Skowronski
  • , Jinqiang Liu
  • NASA Glenn Research Center
  • Ohio Aerospace Institute
  • Stony Brook University
  • Carnegie Mellon University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

16 Scopus citations

Abstract

This paper reports detailed structural characterization of 3C-SiC heteroepitaxial films grown on 4H- and 6H-SiC mesa surfaces. 3C-SiC heterofilms grown by the "step-free surface heteroepitaxy" process, free of double-positioning boundary (DPB) and stacking-fault (SF) defects, were compared to less-optimized 3C-SiC heterofilms using High Resolution X-ray Diffraction (HRXRD), High Resolution Cross-sectional Transmission Electron Microscopy (HRXTEM), molten potassium hydroxide (KOH) etching, and dry thermal oxidation. The results suggest that step free surface heteroepitaxy enables remarkably benign partial lattice mismatch strain relief during heterofilm growth.

Original languageEnglish
Title of host publicationMaterials Science Forum
EditorsPeder Bergman, Erik Janzén
PublisherTrans Tech Publications Ltd
Pages213-216
Number of pages4
ISBN (Print)9780878499205
DOIs
StatePublished - 2003
EventProceedings of the 4th European Conference on Silicon Carbide and Related Materials - Linkoping, Sweden
Duration: Sep 2 2002Sep 5 2002

Publication series

NameMaterials Science Forum
Volume433-436
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

ConferenceProceedings of the 4th European Conference on Silicon Carbide and Related Materials
Country/TerritorySweden
CityLinkoping
Period09/2/0209/5/02

Keywords

  • 3C-SiC
  • Cubic-SiC
  • Epitaxial Growth
  • Hetero-Epitaxy
  • Step-Free Surface Hetero-Epitaxy

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