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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/10661

Title: Control of Cross-Sections and Optical Nonlinearity of Pt Nanowires and the Roughness Effect
Authors: Ogata, Y.
Mizutani, G.
Keywords: Pt
nanowire
roughness
SHG
MgO
Issue Date: 2012
Publisher: Hindawi Publishing Corporation
Magazine name: Physics Research International
Volume: 2012
Start page: Article ID 969835
DOI: 10.1155/2012/969835
Abstract: In this paper we review our fabrication of Pt nanowire arrays on MgO(110) faceted templates by a shadow deposition method and our control of their cross-sectional shapes by adjusting the deposition directions of platinum. We obtained nanowire arrays with C_s and C_<2v> macroscopic symmetries. These macroscopic symmetries influence optical second harmonic generation (SHG) susceptibility elements of the nanowire arrays sensitively. On the other hand, the roughness of the nanowires had an effect on the rotational SHG patterns as a function of the sample rotation angle around the surface normal. We tried to explain the pattern change by a second-order perturbation scheme with respect to the roughness amplitude.
Rights: Copyright © 2012 Y. Ogata and G. Mizutani. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
URI: http://hdl.handle.net/10119/10661
Material Type: publisher
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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