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http://hdl.handle.net/1942/10302| Title: | Plasmonic Ratchet Wheels: Switching Circular Dichroism by Arranging Chiral Nanostructures | Authors: | Valev, V. K. SMISDOM, Nick Silhanek, A. V. DE CLERCQ, Ben Gillijns, W. AMELOOT, Marcel Moshchalkov, V. V. Verbiest, T. |
Issue Date: | 2009 | Publisher: | AMER CHEMICAL SOC | Source: | NANO LETTERS, 9(11). p. 3945-3948 | Abstract: | We demonstrate circular dichroism (CD) in the second harmonic generation (SHG) signal from chiral assemblies of G-shaped nanostructures made of gold. The arrangement of the G shapes is crucial since upon reordering them the SHG-CD effect disappears. Microscopy reveals SHG "hotspots" assemblies, which originate in enantiomerically sensitive plasmon modes, having the novel property of exhibiting a chiral geometry themselves in relation with the handedness of the material. These results open new frontiers in studying chirality. | Notes: | [Valev, V. K.; Silhanek, A. V.; Gillijns, W.; Moshchalkov, V. V.] Katholieke Univ Leuven, INPAC, Nanoscale Superconduct & Magnetism & Pulsed Field, B-3001 Heverlee, Belgium. [Smisdom, N.; De Clercq, B.; Ameloot, M.] Univ Limburg, BIOMED, Univ Hasselt & Transnatl, B-3590 Diepenbeek, Belgium. | Document URI: | http://hdl.handle.net/1942/10302 | ISSN: | 1530-6984 | e-ISSN: | 1530-6992 | DOI: | 10.1021/nl9021623 | ISI #: | 000271566400048 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2010 |
| Appears in Collections: | Research publications |
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| Plasmonic ratchet wheels.pdf Restricted Access | 4.78 MB | Adobe PDF | View/Open Request a copy |
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