4.5 Article

Bi-rich grow topological insulator Bi2Se3 nanodomains structures

Journal

SUPERLATTICES AND MICROSTRUCTURES
Volume 66, Issue -, Pages 33-38

Publisher

ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2013.11.021

Keywords

Bi2Se3; Topological insulator; Nanodomains

Funding

  1. National Key Basic Research Program of China [201203934201]
  2. National Natural Science Foundation of China [11147024, 11247025, 11074129]

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Bi2Se3 hexagonal nanodomains structures have been synthesized under the condition of Bi-rich without surfactant. Bi-rich growth condition can result in the forming of quintuple-layer Bi2Se3 nanodomains through forming surface Se vacancy. Bi2Se3 nanodomains structures possess high crystal quality and Se defects without disrupting the host lattice. The forming mechanism of defects is discussed in details. (C) 2013 Elsevier Ltd. All rights reserved.

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