4.2 Article

Characterization of Bi2Te3 and Bi2Se3 topological insulators grown by MBE on (001) GaAs substrates

Journal

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
Volume 30, Issue 2, Pages -

Publisher

A V S AMER INST PHYSICS
DOI: 10.1116/1.3668082

Keywords

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Funding

  1. NSF [DMR10-05851, ECCS10-02114]
  2. AFOSR [FA9550-10-1-0129]
  3. DARPA MESO (Purdue)
  4. Division Of Materials Research
  5. Direct For Mathematical & Physical Scien [1005851] Funding Source: National Science Foundation

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Films of pseudohexagonal Bi(T)(2)e(3), Bi2Se3 and their alloys were successfully grown by molecular beam epitaxy on GaAs (001) substrates. The growth mechanism and structural properties of these films were investigated by reflection high-energy electron diffraction, atomic force microscopy, x-ray diffraction (XRD), high-resolution transmission electron microscopy, and Raman spectroscopy and mapping. The results indicate that the epitaxial films are highly uniform and are of high crystalline quality. (C) 2012 American Vacuum Society. [DOI:10.1116/1.3668082]

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