Intrinsic Surface Phonons in Porous Glass

R. B. Laughlin, J. D. Joannopoulos, C. A. Murray, K. J. Hartnett, and T. J. Greytak
Phys. Rev. Lett. 40, 461 – Published 13 February 1978
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Abstract

Raman scattering and infrared reflectivity measurements have been performed on samples of porous Vycor glass. Three features in the spectra are due to intrinsic surface phonons. This identification is supported by a simple new theory for the surface.

  • Received 3 November 1977

DOI:https://doi.org/10.1103/PhysRevLett.40.461

©1978 American Physical Society

Authors & Affiliations

R. B. Laughlin and J. D. Joannopoulos

  • Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

C. A. Murray, K. J. Hartnett, and T. J. Greytak

  • Department of Physics and Center for Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

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Vol. 40, Iss. 7 — 13 February 1978

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