Synthesis and Quantum Transport Properties of Bi2Se3 Topological Insulator Nanostructures

被引：0
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作者：
Yuan Yan
Zhi-Min Liao
Yang-Bo Zhou
Han-Chun Wu
Ya-Qing Bie
Jing-Jing Chen
Jie Meng
Xiao-Song Wu
Da-Peng Yu
机构：
[1] Peking University,State Key Laboratory for Mesoscopic Physics, Department of Physics
[2] Trinity College Dublin,CRANN and School of Physics
来源：
Scientific Reports | / 3卷
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摘要：
Bi2Se3 nanocrystals with various morphologies, including nanotower, nanoplate, nanoflake, nanobeam and nanowire, have been synthesized. Well-distinguished Shubnikov-de Haas (SdH) oscillations were observed in Bi2Se3 nanoplates and nanobeams. Careful analysis of the SdH oscillations suggests the existence of Berry's phase π, which confirms the quantum transport of the surface Dirac fermions in both Bi2Se3 nanoplates and nanobeams without intended doping. The observation of the singular quantum transport of the topological surface states implies that the high-quality Bi2Se3 nanostructures have superiorities for investigating the novel physical properties and developing the potential applications.
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