Integration and high-frequency characterization of PWB-compatible pure barium titanate films synthesized by modified hydrothermal techniques (< 100°C)

D. Balaraman, P. Markondeya Raj, Issac Robin Abothu, S. Bhattacharya, S. Dalmia, Lixi Wan, M. Swaminathan, Rao Tummala

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

This work reports synthesis of pure Barium Titanate films on Printed Wiring Board at temperatures less than 100°C using hydrothermal synthesis technique. The films thus synthesized were found be crystalline with grain size of 80-100 nm. The film thickness was found to be 300 nm and the capacitance density was in the order of 1 μF/cm2, resulting in a dielectric constant of 400. Films grown on thinner Ti foils (<12 microns) showed almost 100% yield. High frequency dielectric properties were obtained from s-parameter measurements using a multi-line calibration approach and were found to be stable up to 8 GHz. Low-cost and low temperature synthesis and stable dielectric properties in the GHz frequencies make them ideal candidates for integral capacitor applications.

Original languageEnglish (US)
Pages (from-to)1520-1527
Number of pages8
JournalProceedings - Electronic Components and Technology Conference
StatePublished - 2003
Event53rd Electronic Components and Technology Conference 2003 - New Orleans LA, United States
Duration: May 27 2003May 30 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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