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Pulsed laser annealing for metallic nanorods embedded in alumina
Author(s): Yuyi Feng; Tobias Kemmer; Philipp Graus; Clayton A. Nemitz; Johannes Boneberg; Lingling Huang; Juan Liu; Yongtian Wang; Lukas Schmidt-Mende; Paul Leiderer
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Paper 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.

Paper Details

Date Published: 12 December 2018
PDF: 6 pages
Proc. SPIE 10844, Advanced Laser Technology and Applications, 108440O (12 December 2018); doi: 10.1117/12.2505211
Show Author Affiliations
Yuyi Feng, Beijing Institute of Technology (China)
Univ. of Konstanz (China)
Tobias Kemmer, Univ. of Konstanz (Germany)
Philipp Graus, Univ. of Konstanz (Germany)
Clayton A. Nemitz, Univ. of North Carolina, Chapel Hill (United States)
Johannes Boneberg, Univ. of Konstanz (Germany)
Lingling Huang, Beijing Institute of Technology (China)
Juan Liu, Beijing Institute of Technology (China)
Yongtian Wang, Beijing Institute of Technology (China)
Lukas Schmidt-Mende, Univ. of Konstanz (Germany)
Paul Leiderer, Univ. of Konstanz (Germany)

Published in SPIE Proceedings Vol. 10844:
Advanced Laser Technology and Applications
Shibin Jiang; Lijun Wang; Zejin Liu; Wei Shi; Pu Zhou, Editor(s)

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