Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.110.067401
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dc.titleTerahertz conductivity of twisted bilayer graphene
dc.contributor.authorZou, X.
dc.contributor.authorShang, J.
dc.contributor.authorLeaw, J.
dc.contributor.authorLuo, Z.
dc.contributor.authorLuo, L.
dc.contributor.authorLa-O-Vorakiat, C.
dc.contributor.authorCheng, L.
dc.contributor.authorCheong, S.A.
dc.contributor.authorSu, H.
dc.contributor.authorZhu, J.-X.
dc.contributor.authorLiu, Y.
dc.contributor.authorLoh, K.P.
dc.contributor.authorCastro Neto, A.H.
dc.contributor.authorYu, T.
dc.contributor.authorChia, E.E.M.
dc.date.accessioned2014-10-16T08:45:01Z
dc.date.available2014-10-16T08:45:01Z
dc.date.issued2013-02-07
dc.identifier.citationZou, X., Shang, J., Leaw, J., Luo, Z., Luo, L., La-O-Vorakiat, C., Cheng, L., Cheong, S.A., Su, H., Zhu, J.-X., Liu, Y., Loh, K.P., Castro Neto, A.H., Yu, T., Chia, E.E.M. (2013-02-07). Terahertz conductivity of twisted bilayer graphene. Physical Review Letters 110 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.110.067401
dc.identifier.issn00319007
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95202
dc.description.abstractUsing terahertz time-domain spectroscopy, the real part of optical conductivity [σ1(ω)] of twisted bilayer graphene was obtained at different temperatures (10-300 K) in the frequency range 0.3-3 THz. On top of a Drude-like response, we see a strong peak in σ 1(ω) at ∼2.7 THz. We analyze the overall Drude-like response using a disorder-dependent (unitary scattering) model, then attribute the peak at 2.7 THz to an enhanced density of states at that energy, which is caused by the presence of a van Hove singularity arising from a commensurate twisting of the two graphene layers. © 2013 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevLett.110.067401
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevLett.110.067401
dc.description.sourcetitlePhysical Review Letters
dc.description.volume110
dc.description.issue6
dc.description.page-
dc.description.codenPRLTA
dc.identifier.isiut000314770600024
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