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Surface Resonant Raman Scattering from Cu(110)

M. Denk, E. Speiser, J. Plaickner, S. Chandola, S. Sanna, P. Zeppenfeld, and N. Esser
Phys. Rev. Lett. 128, 216101 – Published 26 May 2022
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Abstract

We report the first evidence of Raman scattering from surface phonons of a pristine metal surface. Our study reveals a Raman-active surface vibrational resonance on Cu(110) with a surprisingly large scattering efficiency. With the incident photon energy close to the energy of the Cu(110) surface state electronic transition, the Raman scattering from the surface optical resonance can be significantly enhanced, while any contribution from bulk phonons is absent.

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  • Received 2 May 2021
  • Revised 17 November 2021
  • Accepted 3 April 2022

DOI:https://doi.org/10.1103/PhysRevLett.128.216101

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

M. Denk1,2,*, E. Speiser1, J. Plaickner3,1, S. Chandola3,1, S. Sanna4, P. Zeppenfeld2, and N. Esser5,1

  • 1Leibniz-Institut für Analytische Wissenschaften—ISAS—e.V., Schwarzschildstrasse 8, 12489 Berlin, Germany
  • 2Institute of Experimental Physics, Johannes Kepler University, Linz, Altenberger Strasse 69, 4040 Linz, Austria
  • 3Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
  • 4Institut für Theoretische Physik and Center for Materials Research (LaMa), Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 16, 35392 Gießen, Germany
  • 5Institut für Festkörperphysik, Technische Universität Berlin, Hardenbergstrasse 36, 10623 Berlin, Germany

  • *Corresponding author. mariella.denk@jku.at

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Issue

Vol. 128, Iss. 21 — 27 May 2022

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