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PRV: Preisträgervorträge

PRV V

PRV V: Preisträgervortrag

Mittwoch, 18. März 2020, 15:00–15:30, WIL A317

Toward Atomic-Scale Optical Spectroscopy in Plasmonic STM Junctions — •Takashi Kumagai — Fritz-Haber Institute of the Max-Planck Society — Laureate of the Gaede Prize 2020

Light-matter interactions can be largely enhanced in the presence of optical near fields. Atomic-scale light-matter interactions in plasmonic 'picocavities' has emerged as a new frontier of fundamental physics [1]. The investigation of such light-matter interactions involves significant challenges for both experiment and theory. A combination of plasmon-enhanced spectroscopy with low-temperature STM can provide a unique way to investigate intriguing physics resulting from the strong interaction between cavity-mode plasmon and matter. I will show our recent development toward atomic-scale optical spectroscopy in plasmoic STM junctions [2-5]. References: [1] Science 354, 726 (2016). [2] PRL 121, 226802 (2018). [3] J. Phys. Chem. Lett 10, 2068 (2019). [4] Nano Lett. 19, 3597 (2019). [5] Nano Lett. 19, 5725 (2019).