Laser-Induced, Polarization Dependent Shape Transformation of Au/Ag Nanoparticles in Glass

被引：34
|
作者：
Seifert, G. [1 ]
Stalmashonak, A. [1 ]
Hofmeister, H. [2 ]
Haug, J. [3 ]
Dubiel, M. [3 ]
机构：
[1] Univ Halle Wittenberg, Inst Phys, Fachgrp Opt, D-06120 Halle, Germany
[2] Max Planck Inst Mikrostrukturphys, D-06120 Halle, Germany
[3] Univ Halle Wittenberg, Inst Phys, Fachgrp ANM, D-06099 Halle, Germany
来源：
NANOSCALE RESEARCH LETTERS | 2009年 / 4卷 / 11期
关键词：
Alloy nanoparticles; Glass; Laser irradiation; Femtosecond laser processing; Dichroism; SILVER NANOPARTICLES; IRRADIATION;
D O I：
10.1007/s11671-009-9408-5
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Bimetallic, initially spherical Ag/Au nanoparticles in glass prepared by ion implantation have been irradiated with intense femtosecond laser pulses at intensities still below the damage threshold of the material surface. This high-intensity laser processing produces dichroism in the irradiated region, which can be assigned to the observed anisotropic nanoparticle shapes with preferential orientation of the longer particle axis along the direction of laser polarization. In addition, the particle sizes have considerably been increased upon processing.
引用
收藏
页码：1380 / 1383
页数：4
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