期刊
MRS COMMUNICATIONS
卷 6, 期 1, 页码 1-8出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrc.2015.81
关键词
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资金
- National Science Foundation [ECCS 14-20952, ECCS 12-20176]
- Illinois Drive Postdoctoral Fellowship
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1420952] Funding Source: National Science Foundation
There has been increasing interest in so-called phononic materials, which can support surface modes known as surface phonon polaritons, consisting of electromagnetic waves coupled to lattice vibrations at the surface of a polar material. While such excitations have a variety of desirable features, they are limited to the spectral range between a material's longitudinal and transverse optical phonon frequencies. In this work, we demonstrate that for materials whose free-carrier concentrations can be controlled, hybrid plasmonic/phononic modes can be supported across a range of frequencies including those generally forbidden by purely phononic materials.
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