The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
Ultrathin Topological Insulator Bi2Se3 Nanoribbons Exfoliated by Atomic Force Microscopy
Open accessAbstract
Ultrathin topological insulator nanostructures, in which coupling between top and bottom surface states takes place, are of great intellectual and practical importance. Due to the weak van der Waals interaction between adjacent quintuple layers (QLs), the layered bismuth selenide (Bi(2)Se(3)), a single Dirac-cone topological insulator with a large bulk gap, can be exfoliated down to a few QLs. In this paper, we report the first controlled mechanical exfoliation of Bi(2)Se(3) nanoribbons (>50 QLs) by an atomic force microscope (AFM) tip down to a single QL. Microwave impedance microscopy is employed to map out the local conductivity of such ultrathin nanoribbons, showing drastic difference in sheet resistance between 1-2 QLs and 4-5 QLs. Transport measurement carried out on an exfoliated ( 50 QLs) ribbons. These AFM-exfoliated thin nanoribbons afford interesting candidates for studying the transition from quantum spin Hall surface to edge states.
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Citations
Cites
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Experimental Realization of a Three-Dimensional Topological Insulator, Bi 2 Te 3
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Self-citationA topological Dirac insulator in a quantum spin Hall phase
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Aharonov–Bohm interference in topological insulator nanoribbons
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Self-citationExciton Condensation and Charge Fractionalization in a Topological Insulator Film
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Cited by
Topological insulators and superconductors
Qi, X.-L., & Zhang, S.-C. (2011) · Reviews of Modern Physics · doi:10.1103/revmodphys.83.1057 · Cited by 14,394
Li, H., Yin, Z., He, Q., Li, H., Huang, X., Lu, G., Fam, D. W. H., Tok, A. I. Y., Zhang, Q., & Zhang, H. (2012) · Small · doi:10.1002/smll.201101016 · Cited by 1,536
Raman Spectroscopy of Few-Quintuple Layer Topological Insulator Bi2Se3 Nanoplatelets
Zhang, J., Peng, Z., Soni, A., Zhao, Y., Xiong, Y., Peng, B., Wang, J., Dresselhaus, M. S., & Xiong, Q. (2011) · Nano Letters · doi:10.1021/nl200773n · Cited by 511
Synthesis and Photoresponse of Large GaSe Atomic Layers
Lei, S., Ge, L., Liu, Z., Najmaei, S., Shi, G., You, G., Lou, J., Vajtai, R., & Ajayan, P. M. (2013) · Nano Letters · doi:10.1021/nl4010089 · Cited by 454
Zhao, S., Li, Z., & Yang, J. (2014) · Journal of the American Chemical Society · doi:10.1021/ja5065125 · Cited by 353
Metadata
- Authors
- Hong, S. S., Kundhikanjana, W., Cha, J. J., Lai, K., Kong, D., Meister, S., Kelly, M. A., Shen, Z.-X., & Cui, Y.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-07-12
- Volume
- 10
- Issue
- 8
- Pages
- 3118-3122
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1975084501
- Cited by
- 177
- References
- 11
- FWCI
- 8.96
- Type
- journal article
- Language
- en
- Open access
- green
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