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Hybrid Surface-Phonon-Plasmon Polariton Modes in Graphene/Monolayer h-BN Heterostructures

Brar, Victor W. and Jang, Min Seok and Sherrott, Michelle and Kim, Seyoon and Lopez, Josue J. and Kim, Laura B. and Choi, Mansoo and Atwater, Harry (2014) Hybrid Surface-Phonon-Plasmon Polariton Modes in Graphene/Monolayer h-BN Heterostructures. Nano Letters, 14 (7). pp. 3876-3880. ISSN 1530-6984. http://resolver.caltech.edu/CaltechAUTHORS:20140610-084252887

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Abstract

Infrared transmission measurements reveal the hybridization of graphene plasmons and the phonons in a monolayer hexagonal boron nitride (h-BN) sheet. Frequency-wavevector dispersion relations of the electromagnetically coupled graphene plasmon/h-BN phonon modes are derived from measurement of nanoresonators with widths varying from 30 to 300 nm. It is shown that the graphene plasmon mode is split into two distinct optical modes that display an anticrossing behavior near the energy of the h-BN optical phonon at 1370 cm^(–1). We explain this behavior as a classical electromagnetic strong-coupling with the highly confined near fields of the graphene plasmons allowing for hybridization with the phonons of the atomically thin h-BN layer to create two clearly separated new surface-phonon-plasmon-polariton (SPPP) modes.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/nl501096sDOIArticle
http://pubs.acs.org/doi/abs/10.1021/nl501096sPublisherArticle
http://pubs.acs.org/doi/suppl/10.1021/nl501096sPublisherSupporting Information
ORCID:
AuthorORCID
Sherrott, Michelle0000-0002-7503-9714
Atwater, Harry0000-0001-9435-0201
Additional Information:© 2014 American Chemical Society. Received: March 24, 2014; Revised: May 20, 2014. Publication Date (Web): May 29, 2014. This work was supported by the Air Force Office of Scientific Research under MURI awards FA9550-12-1-0488 (V.W.B.), FA9550-12-1-0024 (S.K. and L.K.K.). M.S.J. and M.C. acknowledge support from the Global Frontier R&D Program on Center for Multiscale Energy Systems funded by the National Research Foundation under the Ministry of Science, ITC & Future Planning, Korea (2011-0031561, 2011-0031577). M.S.J. acknowledges a postdoctoral fellowship from the POSCO TJ Park Foundation. M.C.S. gratefully acknowledges graduate fellowship support from the Resnick Sustainability Institute at Caltech. The authors thank the Kavli Nanoscience Institute at Caltech for support of nanofabrication.
Group:Resnick Sustainability Institute, Kavli Nanoscience Institute
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)FA9550-12-1-0488
Air Force Office of Scientific Research (AFOSR)FA9550-12-1-0024
Global Frontier R&D Program on Center for Multiscale Energy SystemsUNSPECIFIED
National Research Foundation of Korea2011-0031561
National Research Foundation of Korea2011-0031577
POSCO TJ Park FoundationUNSPECIFIED
Resnick Sustainability InstituteUNSPECIFIED
Ministry of Science, ICT and Future Planning (Korea)UNSPECIFIED
Subject Keywords:Graphene; boron nitride; plasmonics; strong coupling; phonon-induced transparency; surface phonon plasmon polariton; plasmon phonon hybridization
Record Number:CaltechAUTHORS:20140610-084252887
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140610-084252887
Official Citation:Hybrid Surface-Phonon-Plasmon Polariton Modes in Graphene/Monolayer h-BN Heterostructures Victor W. Brar, Min Seok Jang, Michelle Sherrott, Seyoon Kim, Josue J. Lopez, Laura B. Kim, Mansoo Choi, and Harry Atwater Nano Letters 2014 14 (7), 3876-3880
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46173
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:10 Jun 2014 18:09
Last Modified:02 Jun 2017 23:13

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