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Half-Metallic Semi-Dirac-Point Generated by Quantum Confinement inTiO2/VO2Nanostructures
Open accessAbstract
Multilayer VO_{2}/TiO_{2} nanostructures (d;{1}-d;{0} interfaces with no polar discontinuity) are studied with first-principles density functional methods including structural relaxation. Quantum confinement of the half-metallic VO2 slab within insulating TiO2 produces an unexpected and unprecedented two-dimensional new state, with a (semi-Dirac) point Fermi surface: spinless charge carriers are effective-mass-like along one principal axis but are massless along the other. Effects of interface imperfection are addressed.
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Citations
Cites
Two-dimensional gas of massless Dirac fermions in graphene
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Katsnelson, M. I., Grigorieva, I. V., Dubonos, S. V., & Firsov, A. A. (2005) · Nature · doi:10.1038/nature04233 · Cited by 21,611
Cited by
Dirac semimetal and topological phase transitions in A 3 Bi ( A = Na , K, Rb)
Wang, Z., Sun, Y., Chen, X.-Q., Franchini, C., Xu, G., Weng, H., Dai, X., & Fang, Z. (2012) · Physical Review B · doi:10.1103/physrevb.85.195320 · Cited by 1,900
Oxide Electronics Utilizing Ultrafast Metal-Insulator Transitions
Yang, Z., Ko, C., & Ramanathan, S. (2011) · Annual Review of Materials Research · doi:10.1146/annurev-matsci-062910-100347 · Cited by 1,020
Control of the metal–insulator transition in vanadium dioxide by modifying orbital occupancy
Aetukuri, N. B., Gray, A. X., Drouard, M., Cossale, M., Gao, L., Reid, A. H., Kukreja, R., Ohldag, H., Jenkins, C. A., Arenholz, E., et al. (2013) · Nature Physics · doi:10.1038/nphys2733 · Cited by 585
The rare two-dimensional materials with Dirac cones
Wang, J., Deng, S., Liu, Z., & Liu, Z. (2015) · National Science Review · doi:10.1093/nsr/nwu080 · Cited by 447
Anisotropic Dirac Fermions in a Bi Square Net of SrMnBi 2
Park, J., Lee, G., Wolff-Fabris, F., Koh, Y. Y., Eom, M. J., Kim, Y. K., Farhan, M. A., Jo, Y. J., Kim, C., Shim, J. H., et al. (2011) · Physical Review Letters · doi:10.1103/physrevlett.107.126402 · Cited by 269
Metadata
- Authors
- Pardo, V., & Pickett, W. E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2009-04-22
- Volume
- 102
- Issue
- 16
- Pages
- 166803-166803
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2045257657
- Cited by
- 263
- References
- 1
- FWCI
- 5.20
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Half-Metallic Semi-Dirac-Point Generated by Quantum Confinement inTiO2/VO2Nanostructures. https://app.cochat.ai/papers/10.1103/physrevlett.102.166803
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- Pardo, V., & Pickett, W. E. (2009). Half-Metallic Semi-Dirac-Point Generated by Quantum Confinement inTiO2/VO2Nanostructures. Physical Review Letters. https://doi.org/10.1103/physrevlett.102.166803
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