中国物理学会期刊网
Chin.Phys.B  2017, Vol.26 Issue (9): 096101  DOI:10.1088/1674-1056/26/9/096101
Synthesis and magnetotransport properties of Bi2Se3 nanowires
1 National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China;2 National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, School of Physics, Nanjing University, Nanjing 210093, China>

Abstract

Bi2Se3, as a three-dimensional topological insulator, has attracted worldwide attention for its unique surface states which are protected by time-reversal symmetry. Here we report the synthesis and characterization of high-quality single-crystalline Bi2Se3 nanowires. Bi2Se3 nanowires were synthesized by chemical vapor deposition (CVD) method via gold-catalyzed vapor-liquid-solid (VLS) mechanism. The structure and morphology were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), x-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. In magnetotransport measurements, the Aharonov-Bohm (AB) effect was observed in a nanowire-based nanodevice, suggesting the existence of surface states in Bi2Se3 nanowires.
收稿日期:2017-04-06

基金资助

Project supported by the National Key Basic Research Program of China (Grant Nos. 2014CB921103 and 2013CB921103), the National Natural Science Foundation of China (Grant Nos. 11274003 and 91421109), and Collaborative Innovation Center of Solid-State Lighting and Energy-Saving Electronics, China.

引用本文

[英文]
Kang Zhang, Haiyang Pan, Zhongxia Wei, Minhao Zhang, Fengqi Song, Xuefeng Wang, Rong Zhang. Synthesis and magnetotransport properties of Bi2Se3 nanowires[J]. Chin. Phys. B, 2017, 26(9): 096101.
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