Multilayer tunable ferroelectric materials and thin films

V. K. Varadan, V. V. Varadan, F. Selmi, Z. Ounaies, K. A. Jose

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)433-447
Number of pages15
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - May 1 1994
Event1994 North American Conference on Smart Structures and Materials: Smart Materials - Orlando, United States
Duration: Feb 13 1994Feb 18 1994

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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