Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session D36: DMP Award Symposium
3:00 PM–6:00 PM,
Monday, March 6, 2023
Room: Room 236
Sponsoring
Unit:
DMP
Chair: Vivien Zapf, Los Alamos Natl Lab
Abstract: D36.00003 : James C. McGroddy Prize for New Materials Winner: Optical properties of Far-UV luminous hexagonal boron nitride and its applications
4:12 PM–4:48 PM
Presenter:
Kenji Watanabe
(National Institute for Materials Science)
Author:
Kenji Watanabe
(National Institute for Materials Science)
Originating from this anisotropic 2D crystal structure, this material is also known to have very interesting optical properties, such as high luminous efficiency of exciton in the far-UV region, three-dimensionally confined hyperbolic polaritons, symmetrically controlled polarisation characteristic, and single photon emitting point defect centers. Although h-BN is an indirect band gap material, the luminous efficiency is comparable to that of typical direct transition materials such as ZnO. The feature of confined hyperbolic polaritons is known as "natural metamaterial." The polarization switching is promising for atomically thin nonvolatile memory application, and the single photon source is attracting attention as the future quantum devices. We will review these new aspects of h-BN especially the peculiar and outstanding optical characteristics.
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