Light-Induced Subnanometric Modulation of a Single-Molecule Electron Source

Single-molecule electron sources of fullerenes driven via constant electric fields, approximately 1 nm in size, produce peculiar emission patterns, such as a cross or a two-leaf pattern. By illuminating the electron sources with femtosecond light pulses, we discovered that largely modulated emission...

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Bibliographic Details
Published in:Physical review letters 2023-03, Vol.130 (10), p.106204-106204, Article 106204
Main Authors: Yanagisawa, Hirofumi, Bohn, Markus, Kitoh-Nishioka, Hirotaka, Goschin, Florian, Kling, Matthias F
Format: Article
Language:English
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Summary:Single-molecule electron sources of fullerenes driven via constant electric fields, approximately 1 nm in size, produce peculiar emission patterns, such as a cross or a two-leaf pattern. By illuminating the electron sources with femtosecond light pulses, we discovered that largely modulated emission patterns appeared from single molecules. Our simulations revealed that emission patterns, which have been an intractable question for over seven decades, represent single-molecule molecular orbitals. Furthermore, the observed modulations originated from variations of single-molecule molecular orbitals, practically achieving the subnanometric optical modulation of an electron source.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.130.106204