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Polarization and azimuthal angle dependence of the optical second harmonic generation from Pt nanowires on the MgO(110) faceted template
Author(s) -
Ogata Yoichi,
Tuan Nguyen Anh,
Takase Saho,
Mizutani Goro
Publication year - 2010
Publication title -
surface and interface analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 90
eISSN - 1096-9918
pISSN - 0142-2421
DOI - 10.1002/sia.3595
Subject(s) - nanowire , azimuth , materials science , polarization (electrochemistry) , transmission electron microscopy , second harmonic generation , condensed matter physics , nonlinear optical , optics , nonlinear system , nanotechnology , chemistry , physics , laser , quantum mechanics
We have measured azimuthal angle dependence of the optical second‐harmonic (SH) intensity from Pt nanowire arrays on the faceted MgO(110) substrates. The cross‐sectional shapes of the fabricated Pt nanowires were also observed by transmission electron microscopy. The observed SH intensity patterns as a function of the sample rotation angle around the surface normal were characterized by the effective nonlinear susceptibility arising from the C s symmetry of the Pt nanowire arrays. The correlation of the cross‐sectional shapes of the wires and their nonlinear susceptibility is discussed. Copyright © 2010 John Wiley & Sons, Ltd.