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Optomagnetic Effect Induced by Magnetized Nanocavity Plasmon
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Theoretical Chemistry and Biology. Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China..ORCID iD: 0000-0002-3282-0711
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Theoretical Chemistry and Biology. KTH, Centres, SeRC - Swedish e-Science Research Centre. Kaunas Univ Technol, Dept Phys, LT-51368 Kaunas, Lithuania..ORCID iD: 0000-0003-2729-0290
Yanshan Univ, Sch Sci, Key Lab Microstruct Mat Phys Hebei Prov, Qinhuangdao 066004, Hebei, Peoples R China..
Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China..
2019 (English)In: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 141, no 35, p. 13795-13798Article in journal (Refereed) Published
Abstract [en]

We propose a new type of optomagnetic effect induced by a highly confined plasmonic field in a nanocavity. It is shown that a very large dynamic magnetic field can be generated as the result of the inhomogeneity of nanocavity plasmons, which can directly activate spin-forbidden transitions in molecules. The dynamic optomagnetic effects on optical transitions between states of different spin multiplicities are illustrated by first-principles calculations for C-60. Remarkably, the intensity of spin forbidden singlet-to-triplet transitions can even be stronger than that of singlet-to-singlet transitions when the spatial distribution of plasmon is comparable with the molecular size. This approach not only offers a powerful optomagnetic means to rationally fabricate molecular excited states with different multiplicities but also provides a groundbreaking concept of the light-matter interaction that could lead to the observation of new physical phenomena and the development of new techniques.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2019. Vol. 141, no 35, p. 13795-13798
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-261018DOI: 10.1021/jacs.9b07817ISI: 000484828900019PubMedID: 31429565Scopus ID: 2-s2.0-85071788615OAI: oai:DiVA.org:kth-261018DiVA, id: diva2:1356852
Note

QC 20191002

Available from: 2019-10-02 Created: 2019-10-02 Last updated: 2019-10-02Bibliographically approved

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Duan, SaiRinkevicius, Zilvinas

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