Pulsed laser annealing for metallic nanorods embedded in alumina

Yuyi Feng, Tobias Kemmer, Philipp Graus, Clayton A. Nemitz, Johannes Boneberg, Lingling Huang, Juan Liu, Yongtian Wang, Lukas Schmidt-Mende, Paul Leiderer

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Metallic nanorod metamaterials, arrays of vertically aligned nanorods embedded in an alumina matrix (diameter ∼80 nm, length 100-250 nm, period ∼113 nm), have recently emerged as a flexible platform for applications in photonics, opto-electronics and sensing. The optical constants for these nanostructured materials are directly associated with their crystallinity. Controlling the crystallinity of these metamaterials in a fast manner has presented a new challenge. Here we show a laser annealing with a pulsed Nd:YAG laser (λ = 532 nm, FWHM 15 ns) to rapidly change the crystallinity of the metallic nanorods. The small column X-Ray diffraction characterization shows that not only the crystallinity of the metallic nanorods is changed, but also that evaporation of the metal occurs with laser annealing.

Original languageEnglish
Title of host publicationAdvanced Laser Technology and Applications
EditorsLijun Wang, Pu Zhou, Shibin Jiang, Zejin Liu, Wei Shi
PublisherSPIE
ISBN (Electronic)9781510623309
DOIs
Publication statusPublished - 2018
EventInternational Symposium on Optoelectronic Technology and Application 2018: Advanced Laser Technology and Applications, OTA 2018 - Beijing, China
Duration: 22 May 201824 May 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10844
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceInternational Symposium on Optoelectronic Technology and Application 2018: Advanced Laser Technology and Applications, OTA 2018
Country/TerritoryChina
CityBeijing
Period22/05/1824/05/18

Keywords

  • AAO template
  • Crystallinity
  • Evaporation
  • Metallic nanorod
  • Pulsed laser annealing

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