Collective antenna effects in the terahertz and infrared response of highly aligned carbon nanotube arrays

dc.citation.firstpage161401en_US
dc.citation.journalTitlePhysical Review Ben_US
dc.citation.volumeNumber87en_US
dc.contributor.authorRen, L.en_US
dc.contributor.authorZhang, Q.en_US
dc.contributor.authorPint, C.L.en_US
dc.contributor.authorWójcik, A.K.en_US
dc.contributor.authorBunney, M. Jren_US
dc.contributor.authorArikawa, T.en_US
dc.contributor.authorKawayama, I.en_US
dc.contributor.authorTonouchi, M.en_US
dc.contributor.authorHauge, R.H.en_US
dc.contributor.authorBelyanin, A.A.en_US
dc.contributor.authorKono, J.en_US
dc.date.accessioned2014-11-11T16:18:42Zen_US
dc.date.available2014-11-11T16:18:42Zen_US
dc.date.issued2013en_US
dc.description.abstractWe study macroscopically aligned single-wall carbon nanotube arrays with uniform lengths via polarization-dependent terahertz and infrared transmission spectroscopy. Polarization anisotropy is extreme at frequencies less than ∼100 cm−1 with no sign of attenuation when the polarization is perpendicular to the alignment direction. The attenuation for both parallel and perpendicular polarizations increases with increasing frequency, exhibiting a pronounced and broad peak around 450 cm−1 in the parallel case. We model the electromagnetic response of the sample by taking into account both radiative scattering and absorption losses. We show that our sample acts as an effective antenna due to the high degree of alignment, exhibiting much larger radiative scattering than absorption in the mid/far-infrared range. Our calculated attenuation spectrum clearly shows a non-Drude peak at ∼450 cm−1 in agreement with the experiment.en_US
dc.identifier.citationRen, L., Zhang, Q., Pint, C.L., et al.. "Collective antenna effects in the terahertz and infrared response of highly aligned carbon nanotube arrays." <i>Physical Review B,</i> 87, (2013) The American Physical Society: 161401. http://dx.doi.org/10.1103/PhysRevB.87.161401.en_US
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevB.87.161401en_US
dc.identifier.urihttps://hdl.handle.net/1911/78266en_US
dc.language.isoengen_US
dc.publisherThe American Physical Societyen_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.titleCollective antenna effects in the terahertz and infrared response of highly aligned carbon nanotube arraysen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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