Optical characterization of gold coated over nanostructured alumina films

被引：0
作者：
Aslan, Mustafa M. [1 ]
机构：
[1] TUBITAK MAM Marmara Res Ctr, Mat Inst, TR-41470 Gebze, Kocaeli, Turkey
来源：
JOURNAL OF NANOPARTICLE RESEARCH | 2014年 / 16卷 / 02期
关键词：
Nanophotonics; Nanostructures; Thin films; Optical characterization; Hot water treatment; Atomic layer deposition; SPECTROSCOPIC ELLIPSOMETRY; THIN-FILMS; CONSTANTS; THICKNESS; N; K;
D O I：
10.1007/s11051-014-2268-7
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The gold coated over nanostructured alumina (GCON-A) films were investigated for layers' thicknesses and optical properties between 400 and 800 nm wavelength. First GCON-A films were fabricated in three steps: atomic layer deposition of alumina, hot water treatment, and gold deposition. Then, polarization maintained angular reflectance measurements were taken with a spectroscopic ellipsometry. Layer thicknesses, effective refractive indices, and absorption coefficients of films were determined through regression analysis on the ellipsometry data. To investigate the optical properties of the GCON-A films further, reflection measurements were taken by the visible spectroscopy. All these results verify that it is feasible to tune optical properties of the GCON-A films.
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页数：9
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