The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
Transmission of topological surface states through surface barriers
Open accessAbstract
Topological surface states are a class of novel electronic states that are of potential interest in quantum computing or spintronic applications. Unlike conventional two-dimensional electron states, these surface states are expected to be immune to localization and to overcome barriers caused by material imperfection. Previous experiments have demonstrated that topological surface states do not backscatter between equal and opposite momentum states, owing to their chiral spin texture. However, so far there is no evidence that these states in fact transmit through naturally occurring surface defects. Here we use a scanning tunnelling microscope to measure the transmission and reflection probabilities of topological surface states of antimony through naturally occurring crystalline steps separating atomic terraces. In contrast to non-topological surface states of common metals (copper, silver and gold), which are either reflected or absorbed by atomic steps, we show that topological surface states of antimony penetrate such barriers with high probability. This demonstration of the extended nature of antimony’s topological surface states suggests that such states may be useful for high current transmission even in the presence of atomic-scale irregularities—an electronic feature sought to efficiently interconnect nanoscale devices.
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Cites
Quantum Spin Hall Effect and Topological Phase Transition in HgTe Quantum Wells
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Experimental Realization of a Three-Dimensional Topological Insulator, Bi 2 Te 3
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Self-citationObservation of Unconventional Quantum Spin Textures in Topological Insulators
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Self-citationTopological surface states protected from backscattering by chiral spin texture
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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
Tunable Dirac cone in the topological insulator Bi2-xSbxTe3-ySey
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Atomic-scale determination of surface facets in gold nanorods
Goris, B., Bals, S., Van den Broek, W., Carbó-Argibay, E., Gómez-Graña, S., Liz-Marzán, L. M., & Van Tendeloo, G. (2012) · Nature Materials · doi:10.1038/nmat3462 · Cited by 334
Spatial fluctuations of helical Dirac fermions on the surface of topological insulators
Beidenkopf, H., Roushan, P., Seo, J., Gorman, L., Drozdov, I., Hor, Y. S., Cava, R. J., & Yazdani, A. (2011) · Nature Physics · doi:10.1038/nphys2108 · Cited by 330
Self-citationRecent Progress on Antimonene: A New Bidimensional Material
Ares, P., Palacios, J. J., Abellán, G., Gómez‐Herrero, J., & Zamora, F. (2018) · Advanced Materials · doi:10.1002/adma.201703771 · Cited by 300
Metadata
- Authors
- Seo, J., Roushan, P., Beidenkopf, H., Hor, Y. S., Cava, R. J., & Yazdani, A.
- Venue
- Nature
- Published
- 2010-07
- Volume
- 466
- Issue
- 7304
- Pages
- 343-346
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2037238525
- Cited by
- 219
- References
- 11
- FWCI
- 12.24
- Type
- journal article
- Language
- en
- Open access
- green
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