Enhanced dielectric tunability in barium titanate thin films with boron additions

Jon F. Ihlefeld, William J. Borland, Jon Paul Maria

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Boron incorporation in 650 nm thick polycrystalline BaTiO3 films results in grain growth and dramatic dielectric response improvements. For levels between 0% and 3%, average grain size is increased from 150 to 200 nm and the maximum permittivity values are nearly doubled, with tunabilities increased to greater than 90% while maintaining high field loss tangents below 0.03. These results demonstrate a pathway for microstructure engineering and property optimization in refractory electroceramic oxide thin films without increasing the thermal budget.

Original languageEnglish (US)
Pages (from-to)549-552
Number of pages4
JournalScripta Materialia
Issue number7
StatePublished - Apr 2008

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys


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