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Proceedings Paper

Multilayer tunable ferroelectric materials and thin films
Author(s): Vijay K. Varadan; Vasundara V. Varadan; Fathi Selmi; Zoubeida Ounaies; K. A. Jose
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Paper Abstract

This work outlines the material processing technique used to fabricate a multilayer ferroelectric material BST (barium strontium titanate). The composition and thickness of each layer can be controlled such that a tunable multilayer frequency-selective device can be fabricated. The BST materials can be processed by a combination of sol-gel powder processing, tape-casting and microwave processing to yield a multilayer composite material having variable and tunable dielectric properties. For thinner layers, microwave assisted plasma deposition is used to prepare thin film BST from a sol-gel slurry.

Paper Details

Date Published: 1 May 1994
PDF: 15 pages
Proc. SPIE 2189, Smart Structures and Materials 1994: Smart Materials, (1 May 1994); doi: 10.1117/12.174080
Show Author Affiliations
Vijay K. Varadan, The Pennsylvania State Univ. (United States)
Vasundara V. Varadan, The Pennsylvania State Univ. (United States)
Fathi Selmi, The Pennsylvania State Univ. (United States)
Zoubeida Ounaies, The Pennsylvania State Univ. (United States)
K. A. Jose, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 2189:
Smart Structures and Materials 1994: Smart Materials
Vijay K. Varadan, Editor(s)

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