Direct measurement of the single-metal-cluster optical absorption

The absorption of a single isolated metal cluster is directly measured using a novel far-field optical technique based on modulation of its position. Single gold nanoparticles with average diameters down to 5 nm, dispersed on a transparent substrate, are optically detected and their absolute absorpt...

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Veröffentlicht in:	Physical review letters 2004-09, Vol.93 (12), p.127401.1-127401.4, Article 127401
Hauptverfasser:	ARBOUET, A, CHRISTOFILOS, D, DEL FATTI, N, VALLEE, F, HUNTZINGER, J. R, ARNAUD, L, BILLAUD, P, BROYER, M
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic and Molecular Clusters Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Nanocrystals and nanoparticles Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures Physics
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Beschreibung
Zusammenfassung:	The absorption of a single isolated metal cluster is directly measured using a novel far-field optical technique based on modulation of its position. Single gold nanoparticles with average diameters down to 5 nm, dispersed on a transparent substrate, are optically detected and their absolute absorption cross section determined.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/physrevlett.93.127401