Internal Nanostructure Diagnosis with Hyperbolic Phonon Polaritons in Hexagonal Boron Nitride
Name
Internal Nanostructure Diagnosis with Hyperbolic Phonon Polaritons in Hexagonal Boron Nitride.pdf
Description
Accepted version
Size
941.73 KB
Format
Adobe PDF
Checksum (MD5)
689c4411eaa51e941644cc1eb2ea550b
Author(s)
Dai, Siyuan
Tymchenko, Mykhailo
Xu, Zai-Quan
Tran, Toan Trong
Yang, Yafang
Ma, Qiong
Watanabe, Kenji
Taniguchi, Takashi
Jarillo-Herrero, Pablo
Aharonovich, Igor
Date Issued
2018
Journal
Nano Letters
Publisher
American Chemical Society (ACS)
Version
Author's final manuscript
Abstract
Copyright © 2018 American Chemical Society. Imaging materials and inner structures with resolution below the diffraction limit has become of fundamental importance in recent years for a wide variety of applications. We report subdiffractive internal structure diagnosis of hexagonal boron nitride by exciting and imaging hyperbolic phonon polaritons. On the basis of their unique propagation properties, we are able to accurately locate defects in the crystal interior with nanometer resolution. The precise location, size, and geometry of the concealed defects are reconstructed by analyzing the polariton wavelength, reflection coefficient, and their dispersion. We have also studied the evolution of polariton reflection, transmission, and scattering as a function of defect size and photon frequency. The nondestructive high-precision polaritonic structure diagnosis technique introduced here can be also applied to other hyperbolic or waveguide systems and may be deployed in the next-generation biomedical imaging, sensing, and fine structure analysis.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Terms of Use
Article 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.
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DOI of Published Version
https://doi.org/10.1021/ACS.NANOLETT.8B02162
