Optical properties of potassium niobate thin films prepared by the polymeric precursor method

被引：2
|
作者：
Simoes, AZ [1 ]
Ries, A [1 ]
Riccardi, CS [1 ]
Zaghete, MA [1 ]
Varela, JA [1 ]
机构：
[1] UNESP, Inst Chem, Dept Chem Phys, BR-14801970 Ararquara, SP, Brazil
来源：
MATERIALS LETTERS | 2005年 / 59卷 / 05期
基金：
巴西圣保罗研究基金会;
关键词：
crystal structure; optical materials and properties; thin films;
D O I：
10.1016/j.matlet.2004.11.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thin films of potassium niobate were deposited on MgO (100) substrates by the polymeric precursor method and annealing in static air at 600 degreesC for 20 h. The obtained films were characterized by X-ray diffraction, atomic force microscopy (AFM) and the prism coupling method. The phi-scan diffraction evidenced the growth of the films with fourfold symmetry. AFM study shows that the films are homogeneous, dense and present a smooth surface. The refractive index and optical losses were strongly influenced by the degree of crystallinity. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：598 / 602
页数：5
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