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The Crystal Field Plasmon Splitting

Mezzasalma, Stefano A.; Grzelczak, Marek; Sancho-Parramon, Jordi (2020) The Crystal Field Plasmon Splitting. ACS Photonics, 7 (6). pp. 1551-1559. ISSN 2330-4022

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We present an electromagnetic analogue of crystal (or ligand) field theory that describes geometric eigenmodes and the resonant plasmon wavelength in plasmonic nanocrystals in terms of a simple shape descriptor. Our model, crystal field plasmon splitting, is based on secular equations for geometric eigenmodes, allowing for the separation of pure shape from materials effects. As an example, the model is implemented to the experimental gold nanoparticles that undergo cube-to-sphere transition, showing that geometric eigenvalues change correspondingly in analogy to the atomic energy levels in Tanabe–Sugano correlation diagrams.

Item Type: Article
Uncontrolled Keywords: plasmonics ; crystal field theory ; gold nanoparticles ; nonretarded and retarded theory ; excess charge correction
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Physics > Atomic and Molecular Physics
NATURAL SCIENCES > Physics > Condensed Matter Physics
Divisions: Division of Materials Physics
Project titleProject leaderProject codeProject type
Plazmonički alternativni materijali za konverziju solarne energijeSancho Parramon, JordiPKP-2016-06-4469HRZZ
Depositing User: Jordi Sancho Parramon
Date Deposited: 17 Nov 2021 07:37
DOI: 10.1021/acsphotonics.0c00381

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