|Author||Tsai, Ming-shan ♦ Liu, Tung-kai ♦ Tsen, Chun-yu ♦ Ting, Chen-ching|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ♦ ANISOTROPY ♦ ANNEALING ♦ DIFFRACTION ♦ GOLD ♦ NANOPARTICLES ♦ PERIODICITY ♦ POLARIZATION ♦ SCANNING ELECTRON MICROSCOPY ♦ SENSITIVITY ♦ TEMPERATURE RANGE 0400-1000 K|
|Abstract||This article aims to analyze the first order diffraction intensity of the incident polarized light which is diffracted by the gold nanoparticles array in terms of the surface plasmon effect. The inspected gold nanoparticles array films are built in grating pattern with stripe thickness of 4 μm and diameters of gold nanoparticles ca. 10–56 nm, which are formed by annealing at temperatures of 400, 450, 500, and 550 °C, respectively. The probing light is linearly polarized with wavelengths of 450–800 nm and counterclockwise turns its polarization direction from 0° to 90° during measurements. The results show that the diffraction intensity depends on the anisotropic configuration samples which gold nanoparticles are orientated by analyzing the scanning electron microscope images. It results that the localized surface plasmon effect induced by incident field depends on orientation and causes the sample polarization-sensitive.|
|Learning Resource Type||Article|
|Publisher Place||United States|
|Journal||Applied Physics Letters|
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