Fluorescent oxide nanoparticles adapted to active tips for near-field optics

被引：35

作者：

Cuche, A. ^{[2
,3
]}

Masenelli, B. ^{[1
,4
,5
]}

Ledoux, G. ^{[1
,4
,6
]}

Amans, D. ^{[1
,4
,6
]}

Dujardin, C. ^{[1
,4
,6
]}

Sonnefraud, Y. ^{[2
,3
,7
]}

Melinon, P. ^{[1
,4
,5
]}

Huant, S. ^{[2
,3
]}

机构：

[1] Univ Lyon, F-69622 Villeurbanne, France

[2] CNRS, Inst Neel, F-38042 Grenoble, France

[3] Univ Grenoble 1, F-38042 Grenoble, France

[4] Univ Lyon 1, F-69000 Lyon, France

[5] CNRS, UMR5586, Lab Phys Mat Condensee & Nanostruct, F-69622 Villeurbanne, France

[6] CNRS, UMR5620, Lab Physicochim Mat Luminescents, F-69622 Villeurbanne, France

[7] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BZ, England

来源：

NANOTECHNOLOGY | 2009年 / 20卷 / 01期

关键词：

ENERGY-TRANSFER; COLOR-CENTERS; NANOCRYSTALS; RESONANCE; LUMINESCENCE; FABRICATION; CLUSTERS; SPECTRA; PROBES; IONS;

D O I：

10.1088/0957-4484/20/1/015603

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We present a new kind of fluorescent oxide nanoparticle (NP) with properties well suited to active-tip based near-field optics. These particles with an average diameter in the 5-10 nm range are produced by low energy cluster beam deposition (LECBD) from a YAG:Ce3+ target. They are studied by transmission electron microscopy (TEM), x-ray photoelectron spectroscopy (XPS), cathodoluminescence, near-field scanning optical microscopy (NSOM) and fluorescence in the photon-counting mode. Particles of extreme photo-stability as small as 10 nm in size are observed. These emitters are validated as building blocks of active NSOM tips by coating a standard optical tip with a 10 nm thick layer of YAG: Ce3+ particles directly in the LECBD reactor and by subsequently performing NSOM imaging of test surfaces.

引用

页数：6

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