Characteristics of nanostructured Ag films by the reduction of sputtered AgOx thin films

Tomofumi Arai, Carsten Rockstuhl, Paul Fons, Kazuma Kurihara, Takashi Nakano, Koichi Awazu, Junji Tominaga

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

The fabrication process and the optical properties of nanostructured silver (Ag) films made from silver oxide (AgOx) thin films have been studied in detail. The formation of Ag nanoparticles with a diameter of about 50 nm during the reduction of AgOx films was clearly demonstrated by scanning electron microscopy (SEM) and cross-sectional transmission electron microscopy (TEM) observations. The reflectance spectra of the nanostructured Ag films exhibited an intensive localized surface plasmon resonance (LSPR). The transformation in the reflectance spectra with reduction time was in good agreement with computer simulations based on Mie theory. The composition ratio of AgOx films during the reduction was analysed by the Ag L III edge x-ray absorption near-edge structure (XANES) measurements.

Original languageEnglish
Pages (from-to)79-82
Number of pages4
JournalNanotechnology
Volume17
Issue number1
DOIs
Publication statusPublished - 2006 Jan 14
Externally publishedYes

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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