Short-range surface plasmonics: Localized electron emission dynamics from a 60-nm spot on an atomically flat single-crystalline gold surface

Author:

Frank Bettina1,Kahl Philip2ORCID,Podbiel Daniel2ORCID,Spektor Grisha3ORCID,Orenstein Meir3ORCID,Fu Liwei4,Weiss Thomas1,Horn-von Hoegen Michael2,Davis Timothy J.15,Meyer zu Heringdorf Frank-J.2ORCID,Giessen Harald1ORCID

Affiliation:

1. 4th Physics Institute and Stuttgart Research Center of Photonic Engineering, University of Stuttgart, 70569 Stuttgart, Germany.

2. Faculty of Physics and Center for Nanointegration Duisburg-Essen, University of Duisburg-Essen, Lotharstrasse 1-21, 47057 Duisburg, Germany.

3. Department of Electrical Engineering, Technion, Israel Institute of Technology, 32000 Haifa, Israel.

4. Institute of Applied Optics, University of Stuttgart, Pfaffenwaldring 9, 70569 Stuttgart, Germany.

5. School of Physics, University of Melbourne, Parkville, Victoria 3052, Australia.

Abstract

We demonstrate nanofocusing down to 60 nm with 800-nm light in atomically flat single-crystalline 22-nm-thick gold flakes.

Funder

European Research Council

German-Israeli Foundation for Scientific Research and Development

DFG

BW Stiftung

EU COST

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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