The influence of surface grown Ag particle on the optical absorption of Ag/SiO2 nanocomposite film

被引：6
|
作者：
Ba, L [1 ]
Zhang, LD [1 ]
Wang, XP [1 ]
机构：
[1] UNIV SCI & TECHNOL CHINA,DEPT PHYS,HEFEI 230026,PEOPLES R CHINA
来源：
SOLID STATE COMMUNICATIONS | 1997年 / 104卷 / 09期
关键词：
thin film; surface and interface; scanning tunnelling microscopy; optical properties; light absorption and reflection;
D O I：
10.1016/S0038-1098(97)00348-7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The Ag/SiO2 composite thin film was prepared by r.f. magnetron co-sputtering. The film samples were investigated using transmission electron microscopy and atomic force microscopy, which show particle size distribution is almost the same for different deposition time, but shorter deposition time and lower sputtering power cause more surface grown Ag particles. Optical absorption was measured for different samples. Theoretic calculation was made based on particle/matrix dipole interaction. The calculation and experiment both show that the higher particle density on film surface cause optical absorption spectrum shift to higher wavelength. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：553 / 557
页数：5
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