Optical second harmonic generation from the array of 2 nm-width Pt nanowires on the MgO(210) faceted template

Control of Cross-Sections and Optical Nonlinearity of Pt Nanowires and the Roughness Effect

“…The motion of electrons in this structure is remarkably restricted, and a second-order nonlinear optical effect occurs. In fact in another previous work by us we observed relatively strong SHG from Pt nanowires with 2 nm widths [19]. These facts are consistent with each other.…”

“…The existence of such sharp wire parts of platinum of width 1 to 2 nm predicted that it is possible to fabricate Pt nanowires of 2 nm width. In fact in a separate experiment we succeeded in fabricating a 2 nm width Pt nanowire array by using a MgO(210) facet template [19].…”