Journal
APPLIED PHYSICS LETTERS
Volume 99, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3610971
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- Research Grant Council of Hong Kong Special Administrative Region [7061/10P, 7061/11P, HKU 10/CRF/08]
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Superlattices (SLs) consisted of alternating Bi2Se3 and In2Se3 layers are grown on Si(111) by molecular-beam epitaxy. Bi2Se3, a three-dimensional topological insulator (TI), showed good chemical and structural compatibility with In2Se3, a normal band insulator with large energy bandgap. The individual layers in the SLs are very uniform, and the hetero-interfaces are sharp. Therefore, such SL structures are potential candidates for explorations of the quantum size effects of TIs. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3610971]
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