Optical properties of Ag nanocrystals in Sc and O sequentially implanted silica

被引：2

作者：

Magruder, R. H., III ^{[1
]}

Meldrum, Al ^{[2
]}

机构：

[1] Belmont Univ, Dept Phys, Nashville, TN 37212 USA

[2] Univ Alberta, Dept Phys, Edmonton, AB, Canada

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2009年 / 355卷 / 01期

关键词：

Optical spectroscopy; TEM/STEM; Nanocrystals; Absorption; Silica; ION-IMPLANTATION; SIO2; TI; NANOPARTICLES; NANOCLUSTERS; EXTINCTION; ABSORPTION; SPECTRA; GLASSES; AU;

D O I：

10.1016/j.jnoncrysol.2008.09.041

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The implantation of Sc and O results in the modification of the silica with polarizable Sc3+ ions. During annealing the Sc ions are incorporated with the O in the network to form a Sc-O-silicate layer. Subsequent implantation of Ag into this layer results in the formation of Ag metal nanocrystals with significantly modified optical properties compared to samples without the Sc ions. The size distribution of the Ag nanocrystals narrowed with increasing Sc concentration, due to the gradual elimination of a band of large Ag clusters. The incorporation of the Sc results in a shift in the wavelength of the surface plasmon resonance of the Ag nanocrystals and a change in the magnitude of the surface plasmon resonance absorption. The results are interpreted using effective medium theory. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：17 / 22

页数：6

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