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Electronic properties and superlattice formation in the semimetalTiSe2
Abstract
Neutron-diffraction studies of ${\mathrm{TiSe}}_{2}$ show that a second-order structural phase transition occurs at ${T}_{0}=202$ K involving transverse atomic displacements with wave vector $\stackrel{\ensuremath{\rightarrow}}{\mathrm{q}}=(\frac{1}{2},0,\frac{1}{2})$. The electronic transport properties of the most nearly stoichiometric crystals show that ${\mathrm{TiSe}}_{2}$ is a semimetal with ${n}_{e}={n}_{h}={10}^{20}$/${\mathrm{cm}}^{3}$. Small impurity concentrations or deviations from stoichiometry reduce ${n}_{h}$, increase ${n}_{e}$, and suppress the phase transition. This reduction together with the observed displacement pattern lead us to speculate that the transition is driven by an electron-hole coupling.
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Cited by
Large, non-saturating magnetoresistance in WTe2
Ali, M. N., Xiong, J., Flynn, S., Tao, J., Gibson, Q. D., Schoop, L. M., Liang, T., Haldolaarachchige, N., Hirschberger, M., Ong, N. P., et al. (2014) · Nature · doi:10.1038/nature13763 · Cited by 1,673
Morosan, E., Zandbergen, H. W., Dennis, B. S., Bos, J. W. G., Onose, Y., Klimczuk, T., Ramirez, A. P., Ong, N. P., & Cava, R. J. (2006) · Nature Physics · doi:10.1038/nphys360 · Cited by 991
Evidence for an Excitonic Insulator Phase in1T−TiSe2
Cercellier, H., Monney, C., Clerc, F., Battaglia, C., Despont, L., Garnier, M. G., Beck, H., Aebi, P., Patthey, L., Berger, H., et al. (2007) · Physical Review Letters · doi:10.1103/physrevlett.99.146403 · Cited by 512
van der Waals Metallic Transition Metal Dichalcogenides
Han, G. H., Duong, D. L., Keum, D. H., Yun, S. J., & Lee, Y. H. (2018) · Chemical Reviews · doi:10.1021/acs.chemrev.7b00618 · Cited by 371
Metadata
- Authors
- Di Salvo, F. J., Moncton, D. E., & Waszczak, J. V.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1976-11-15
- Volume
- 14
- Issue
- 10
- Pages
- 4321-4328
- ISSN
- 0556-2805 (ISSN-L)
- OpenAlex
- W2034589850
- Cited by
- 647
- References
- 0
- FWCI
- 18.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- Di Salvo, F. J., Moncton, D. E., & Waszczak, J. V. (1976). Electronic properties and superlattice formation in the semimetalTiSe2. Physical Review B. https://doi.org/10.1103/physrevb.14.4321
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