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- Title
1 分子を用いた電子放出位置の光制御.
- Authors
柳 澤 啓 史
- Abstract
In this article, we provide an overview of our recent study on light-induced electron emission from single fullerene molecules and subnanometric optical control of their electron emission sites. After depositing molecules on a sharp metallic needle and applying strong electric fields at the apex of the needle, single-molecule protrusions appear on the apex. The electric fields are further enhanced at the protrusions and the enhanced fields drive electron emissions from the single molecules. Single-molecule electron sources can thereby be created. By irradiating such electron sources with light, we observed large modulations in the electron emission patterns. Our simulations revealed that the emission patterns represent molecular orbitals in a single molecule, a mystery scientists have been trying to get to the bottom of for the past 70 years. Our simulations also explain that light-induced modulation is driven by changes in the molecular orbitals that the emitted electrons pass through. In effect, we realize that there are subnanometric modulations in electron emission sites
- Publication
Vacuum & Surface Science, 2023, Vol 66, Issue 8, p478
- ISSN
2433-5835
- Publication type
Article
- DOI
10.1380/vss.66.478