Optical and dielectric studies on radio frequency sputtered Gd2O3 doped K0.5Na0.5NbO3 thin films for nonlinear photonic and microwave tunable device applications
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- 作者：Mahesh Peddigari ; Gyan Prakash Bharti ; Alika Khare ; Pamu Dobbidi ; pamu@iitg.ernet.in" class="auth_mail" title="E-mail the corresponding author
- 关键词：Magnetron sputtering ; Thin film ; Nonlinear optical properties ; Microwave dielectric properties
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：15 October 2016
- 年：2016
- 卷：682
- 期：Complete
- 页码：634-642
- 全文大小：2806 K
文摘
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Phase pure Gd2O3 doped KNN thin films deposited using RF magnetron sputtering.
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Dispersion in the refractive index of the films was analyzed using single-oscillator model.
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Nonlinear optical response of the films are measured by modified Zscan method.
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Large third order optical nonlinearity is obtained for pure O2 plasma film.
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Microwave dielectric properties of the films are measured using SPDR technique.