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Valley Splitting of AlAs Two-Dimensional Electrons in a Perpendicular Magnetic Field
Open accessAbstract
By measuring the angles at which the Landau levels overlap in tilted magnetic fields (the coincidence method), we determine the splitting of the conduction-band valleys in high-mobility two-dimensional electrons confined to AlAs quantum wells. The data reveal that, while the valleys are nearly degenerate in the absence of magnetic field, they split as a function of perpendicular magnetic field. The splitting appears to depend primarily on the magnitude of the perpendicular component of the magnetic field, suggesting electron-electron interaction as its origin.
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Cites
Electronic properties of two-dimensional systems
Ando, T., Fowler, A. B., & Stern, F. (1982) · Reviews of Modern Physics · doi:10.1103/revmodphys.54.437 · Cited by 7,455
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Emerging Device Applications for Semiconducting Two-Dimensional Transition Metal Dichalcogenides
Jariwala, D., Sangwan, V. K., Lauhon, L. J., Marks, T. J., & Hersam, M. C. (2014) · ACS Nano · doi:10.1021/nn500064s · Cited by 2,753
Schaibley, J. R., Yu, H., Clark, G., Rivera, P., Ross, J. S., Seyler, K. L., Yao, W., & Xu, X. (2016) · Nature Reviews Materials · doi:10.1038/natrevmats.2016.55 · Cited by 2,652
Valley Vortex States in Sonic Crystals
Lu, J., Qiu, C., Ke, M., & Liu, Z. (2016) · Physical Review Letters · doi:10.1103/physrevlett.116.093901 · Cited by 448
Room-temperature valleytronic transistor
Li, L., Shao, L., Liu, X., Gao, A., Wang, H., Zheng, B., Hou, G., Shehzad, K., Yu, L., Miao, F., et al. (2020) · Nature Nanotechnology · doi:10.1038/s41565-020-0727-0 · Cited by 161
Metadata
- Authors
- Shkolnikov, Y. P., De Poortere, E. P., Tutuc, E., & Shayegan, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2002-11-07
- Volume
- 89
- Issue
- 22
- Pages
- 226805-226805
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2054365229
- Cited by
- 169
- References
- 1
- FWCI
- 1.79
- Type
- journal article
- Language
- en
- Open access
- green
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- Shkolnikov, Y. P., De Poortere, E. P., Tutuc, E., & Shayegan, M. (2002). Valley Splitting of AlAs Two-Dimensional Electrons in a Perpendicular Magnetic Field. Physical Review Letters. https://doi.org/10.1103/physrevlett.89.226805
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