The second order nonlinear response from 4 nm diam gold clusters embedded in an alumina matrix deposited on a pure silica substrate has been recorded as a function of the wavelength of the fundamental incident beam. The spectrum exhibits a narrow resonance band peaked at 520 nm as a result of the coupling of the second harmonic field with the surface plasmon of the particles. The nonlinear second harmonic response of gold clusters is found to be blueshifted compared to the bulk, due to the finite size effects on the cluster optical properties, as already observed with the linear response. Furthermore, this nonlinear response appears to be well described with a simple free electron model where the valence electrons only participate through the screening of the ionic cores, owing to the weakness of the interband transition contribution.
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15 October 1998
Research Article|
October 15 1998
Surface plasmon enhanced second harmonic response from gold clusters embedded in an alumina matrix
R. Antoine;
R. Antoine
Laboratoire de Spectrométrie Ionique et Moléculaire, CNRS and Université Lyon I, 43, Boulevard du 11 Novembre 1918, F-69622 Villeurbanne Cedex, France
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M. Pellarin;
M. Pellarin
Laboratoire de Spectrométrie Ionique et Moléculaire, CNRS and Université Lyon I, 43, Boulevard du 11 Novembre 1918, F-69622 Villeurbanne Cedex, France
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B. Palpant;
B. Palpant
Laboratoire de Spectrométrie Ionique et Moléculaire, CNRS and Université Lyon I, 43, Boulevard du 11 Novembre 1918, F-69622 Villeurbanne Cedex, France
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M. Broyer;
M. Broyer
Laboratoire de Spectrométrie Ionique et Moléculaire, CNRS and Université Lyon I, 43, Boulevard du 11 Novembre 1918, F-69622 Villeurbanne Cedex, France
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B. Prével;
B. Prével
Département de Physique des Matériaux, CNRS and Université Lyon I, 43, Boulevard du 11 Novembre 1918, F-69622 Villeurbanne, Cedex, France
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P. Galletto;
P. Galletto
Laboratoire d’Electrochimie, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
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P. F. Brevet;
P. F. Brevet
Laboratoire d’Electrochimie, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
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H. H. Girault
H. H. Girault
Laboratoire d’Electrochimie, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
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J. Appl. Phys. 84, 4532–4536 (1998)
Article history
Received:
May 19 1998
Accepted:
July 08 1998
Citation
R. Antoine, M. Pellarin, B. Palpant, M. Broyer, B. Prével, P. Galletto, P. F. Brevet, H. H. Girault; Surface plasmon enhanced second harmonic response from gold clusters embedded in an alumina matrix. J. Appl. Phys. 15 October 1998; 84 (8): 4532–4536. https://doi.org/10.1063/1.368679
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