Cross-sectional scanning tunneling microscopy and spectroscopy of semimetallic ErAs nanostructures embedded in GaAs

Jason K. Kawasaki, Rainer Timm, Trevor E. Buehl, Edvin Lundgren, Anders Mikkelsen, Arthur C. Gossard, Chris J. Palmstrom

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

Abstract

The growth and atomic/electronic structure of molecular beam epitaxy-grown ErAs nanoparticles and nanorods embedded within a GaAs matrix are examined for the first time via cross-sectional scanning tunneling microscopy and spectroscopy. Cross sections enable the interrogation of the internal structure and are well suited for studying embedded nanostructures. The early stages of embedded ErAs nanostructure growth are examined via these techniques and compared with previous cross-sectional transmission electron microscopy work. Tunneling spectroscopy I(V) for both ErAs nanoparticles and nanorods was also performed, demonstrating that both nanostructures are semimetallic. (C) 2011 American Vacuum Society. [DOI: 10.1116/1.3547713]
Original languageEnglish
Title of host publicationJournal of Vacuum Science & Technology B
PublisherAmerican Vacuum Society
Pages03C104
Volume29
DOIs
Publication statusPublished - 2011
Event27th North American Molecular Beam Epitaxy Conference of the American-Vacuum-Society - Breckenridge, CO
Duration: 2010 Sept 262010 Sept 29

Publication series

Name
Number3
Volume29
ISSN (Print)1071-1023
ISSN (Electronic)1520-8567

Conference

Conference27th North American Molecular Beam Epitaxy Conference of the American-Vacuum-Society
Period2010/09/262010/09/29

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

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