Epitaxial graphene-encapsulated surface reconstruction of Ge(110)

Gavin P. Campbell, Brian Kiraly, Robert M. Jacobberger, Andrew J. Mannix, Michael S. Arnold, Mark C Hersam, Nathan P. Guisinger, Michael J. Bedzyk

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Understanding and engineering the properties of crystalline surfaces has been critical in achieving functional electronics at the nanoscale. Employing scanning tunneling microscopy, surface x-ray diffraction, and high-resolution x-ray reflectivity experiments, we present a thorough study of epitaxial graphene (EG)/Ge(110) and report a Ge(110) "6 × 2" reconstruction stabilized by the presence of epitaxial graphene unseen in group-IV semiconductor surfaces. X-ray studies reveal that graphene resides atop the surface reconstruction with a 0.34 nm van der Waals (vdW) gap and provides protection from ambient degradation.

Original languageEnglish
Article number044004
JournalPhysical Review Materials
Volume2
Issue number4
DOIs
Publication statusPublished - Apr 13 2018

Fingerprint

Surface reconstruction
Graphite
Graphene
graphene
X rays
Scanning tunneling microscopy
Electronic equipment
Diffraction
Semiconductor materials
Crystalline materials
scanning tunneling microscopy
Degradation
x ray diffraction
x rays
engineering
degradation
reflectance
high resolution
Experiments
electronics

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Campbell, G. P., Kiraly, B., Jacobberger, R. M., Mannix, A. J., Arnold, M. S., Hersam, M. C., ... Bedzyk, M. J. (2018). Epitaxial graphene-encapsulated surface reconstruction of Ge(110). Physical Review Materials, 2(4), [044004]. https://doi.org/10.1103/PhysRevMaterials.2.044004

Epitaxial graphene-encapsulated surface reconstruction of Ge(110). / Campbell, Gavin P.; Kiraly, Brian; Jacobberger, Robert M.; Mannix, Andrew J.; Arnold, Michael S.; Hersam, Mark C; Guisinger, Nathan P.; Bedzyk, Michael J.

In: Physical Review Materials, Vol. 2, No. 4, 044004, 13.04.2018.

Research output: Contribution to journalArticle

Campbell, GP, Kiraly, B, Jacobberger, RM, Mannix, AJ, Arnold, MS, Hersam, MC, Guisinger, NP & Bedzyk, MJ 2018, 'Epitaxial graphene-encapsulated surface reconstruction of Ge(110)', Physical Review Materials, vol. 2, no. 4, 044004. https://doi.org/10.1103/PhysRevMaterials.2.044004
Campbell, Gavin P. ; Kiraly, Brian ; Jacobberger, Robert M. ; Mannix, Andrew J. ; Arnold, Michael S. ; Hersam, Mark C ; Guisinger, Nathan P. ; Bedzyk, Michael J. / Epitaxial graphene-encapsulated surface reconstruction of Ge(110). In: Physical Review Materials. 2018 ; Vol. 2, No. 4.
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