The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Direct observation of spin-polarized bulk bands in an inversion-symmetric semiconductor
Open accessAbstract
The coupling between spin, valley and layer degrees of freedom in transition-metal dichalcogenides is shown to give rise to spin-polarized electron states, providing opportunities to create and manipulate spin and valley polarizations in bulk solids. Methods to generate spin-polarized electronic states in non-magnetic solids are strongly desired to enable all-electrical manipulation of electron spins for new quantum devices1. This is generally accepted to require breaking global structural inversion symmetry1,2,3,4,5. In contrast, here we report the observation from spin- and angle-resolved photoemission spectroscopy of spin-polarized bulk states in the centrosymmetric transition-metal dichalcogenide WSe2. Mediated by a lack of inversion symmetry in constituent structural units of the bulk crystal where the electronic states are localized6, we show how spin splittings up to ∼0.5 eV result, with a spin texture that is strongly modulated in both real and momentum space. Through this, our study provides direct experimental evidence for a putative locking of the spin with the layer and valley pseudospins in transition-metal dichalcogenides7,8, of key importance for using these compounds in proposed valleytronic devices.
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Cites
Coupled Spin and Valley Physics in Monolayers ofMoS2and Other Group-VI Dichalcogenides
Xiao, D., Liu, G.-B., Feng, W., Xu, X., & Yao, W. (2012) · Physical Review Letters · doi:10.1103/physrevlett.108.196802 · Cited by 5,152
Electronic analog of the electro-optic modulator
Datta, S., & Das, B. (1990) · Applied Physics Letters · doi:10.1063/1.102730 · Cited by 4,800
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Signatures of Majorana Fermions in Hybrid Superconductor-Semiconductor Nanowire Devices
Mourik, V., Zuo, K., Frolov, S. M., Plissard, S. R., Bakkers, E. P. A. M., & Kouwenhoven, L. P. (2012) · Science · doi:10.1126/science.1222360 · Cited by 4,163
Control of valley polarization in monolayer MoS2 by optical helicity
Mak, K. F., He, K., Shan, J., & Heinz, T. F. (2012) · Nature Nanotechnology · doi:10.1038/nnano.2012.96 · Cited by 4,034
Spin-Orbit Coupling Effects in Zinc Blende Structures
Dresselhaus, G. (1955) · Physical Review · doi:10.1103/physrev.100.580 · Cited by 3,695
Valley polarization in MoS2 monolayers by optical pumping
Zeng, H., Dai, J., Yao, W., Xiao, D., & Cui, X. (2012) · Nature Nanotechnology · doi:10.1038/nnano.2012.95 · Cited by 3,693
A topological Dirac insulator in a quantum spin Hall phase
Hsieh, D., Qian, D., Wray, L., Xia, Y., Hor, Y. S., Cava, R. J., & Hasan, M. Z. (2008) · Nature · doi:10.1038/nature06843 · Cited by 3,523
Spin and pseudospins in layered transition metal dichalcogenides
Xu, X., Yao, W., Xiao, D., & Heinz, T. F. (2014) · Nature Physics · doi:10.1038/nphys2942 · Cited by 2,855
Gate Control of Spin-Orbit Interaction in an Inverted In0.53Ga0.47As/In0.52Al0.48As Heterostructure
Nitta, J., Akazaki, T., Takayanagi, H., & Enoki, T. (1997) · Physical Review Letters · doi:10.1103/physrevlett.78.1335 · Cited by 2,284
Cited by
k · p theory for two-dimensional transition metal dichalcogenide semiconductors
Kormányos, A., Burkard, G., Gmitra, M., Fabian, J., Zólyomi, V., Drummond, N. D., & Fal’ko, V. (2015) · 2D Materials · doi:10.1088/2053-1583/2/2/022001 · Cited by 1,076
Electronic Structure and Enhanced Charge-Density Wave Order of Monolayer VSe2
Feng, J., Biswas, D., Rajan, A., Watson, M. D., Mazzola, F., Clark, O. J., Underwood, K., Marković, I., McLaren, M., Hunter, A., et al. (2018) · Nano Letters · doi:10.1021/acs.nanolett.8b01649 · Cited by 257
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Metadata
- Authors
- Riley, J. M., Mazzola, F., Dendzik, M., Michiardi, M., Takayama, T., Bawden, L., Granerød, C., Leandersson, M., Balasubramanian, T., Hoesch, M., Kim, T. K., Takagi, H., Meevasana, W., Hofmann, P., Bahramy, M. S., Wells, J. W., & King, P. D. C.
- Venue
- Nature Physics
- Published
- 2014-10-05
- Volume
- 10
- Issue
- 11
- Pages
- 835-839
- ISSN
- 1745-2473 (ISSN-L)
- 1745-2481
- OpenAlex
- W2019969660
- Cited by
- 364
- References
- 32
- FWCI
- 14.29
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Riley, J. M., Mazzola, F., Dendzik, M., Michiardi, M., Takayama, T., Bawden, L., Granerød, C., Leandersson, M., Balasubramanian, T., Hoesch, M., Kim, T. K., Takagi, H., Meevasana, W., Hofmann, P., Bahramy, M. S., Wells, J. W., & King, P. D. C. (2014). Direct observation of spin-polarized bulk bands in an inversion-symmetric semiconductor. Nature Physics. https://doi.org/10.1038/nphys3105
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