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Tunable dielectric properties of lead strontium titanate thin films by sol-gel technique

  • M. Jain
  • , N. K. Karan
  • , J. Yoon
  • , H. Wang
  • , R. S. Katiyar
  • , Q. X. Jia
  • Los Alamos National Laboratory
  • University of Puerto Rico
  • Texas A&M University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

For the applications in tunable microwave devices, thin films of a potential candidate material, PbxSr1-xTiO3 (with x=0.3), were studied. To study dielectric proeprties in coplanar and metal-insulatormetal configuration, the PbxSr1-xTiO 3 films were deposited on single crystalline LaAlO3 and conductive LaNiO3 coated LaAlO3 substrates using sol-gel technique. The film on LaAlO3 was highly c-axis oriented and epitaxial. At room temperature, dielectric tunability values as high as 18% (at 20kV/cm) and 70% (at 225kV/cm) were achieved for the Pb0.3Sr 0.7TiO3 film on LaAlO3 and LaNiO 3/LaAlO3, respectively.

Original languageEnglish
Title of host publication17th IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2008
DOIs
StatePublished - 2008
Event17th IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2008 - Santa Fe, NM, United States
Duration: Feb 23 2008 → Feb 28 2008

Publication series

NameIEEE International Symposium on Applications of Ferroelectrics
Volume2

Conference

Conference17th IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2008
Country/TerritoryUnited States
CitySanta Fe, NM
Period02/23/08 → 02/28/08

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