The plasmonic properties of argon cluster-bombarded InP surfaces

被引：10

作者：

Murdoch, B. J. ^{[1
]}

Barlow, A. J. ^{[2
]}

Fletcher, I. W. ^{[1
]}

Cumpson, P. J. ^{[1
]}

机构：

[1] Newcastle Univ, NEXUS, Sch Mech & Syst Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

[2] La Trobe Univ, CMSS, Dept Chem & Phys, Melbourne, Vic 3086, Australia

来源：

APPLIED PHYSICS LETTERS | 2017年 / 111卷 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

ION; PHOTOLUMINESCENCE;

D O I：

10.1063/1.4993535

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Gas cluster ion beam sputtering has been used to study the self-organising behaviour of In metallic nanoparticles produced by preferential sputtering of phosphorus atoms in InP. Discrete plasmonic In nanoparticles are observed at the earliest stages of surface modification. The surfaces have been investigated in situ by reflection electron energy loss spectroscopy, Auger electron spectroscopy, and photoluminescence spectroscopy. By altering the excitation intensity, we observe alterations of the photoluminescence spectrum that are attributed to photoconductive-coupling between In nanoparticles. The devices presented are suitable for visible wavelength surface enhanced Raman spectroscopy and, potentially, offer a route to active all-optical switches. Published by AIP Publishing.

引用

页数：5

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