Epitaxial Liftoff for Fully Single Crystal Ferroelectric Thin Films

Abstract

High-frequency signal transmission demands in RF and microwave systems, such as electronic phased-array radar and scanning antennas, call for innovative approaches in materials technology. Outstanding issues in such systems are the fabrication of low-loss, highly tunable capacitive elements made of thin-film ferroelecri cs. This program used a new epitaxial liftoff technique developed at Columbia University to reduce high-quality, single-crystal films of ferroelectrics such as strontium titanate (ST), potassium tantalate, KTaO3 and potassium tantalate niobate (KTN) for use in microwave devices.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 2002
Accession Number
ADA408609

Entities

People

  • Eric Cross
  • Hassaram Bakhru
  • M. Levy
  • Richard M. Osgood, Jr.

Organizations

  • Columbia University

Tags

DTIC Thesaurus Topics

  • Chemistry
  • Crystals
  • Electrical Properties
  • Elements
  • Fabrication
  • Films
  • Materials
  • Microwaves
  • Phase Transformations
  • Phased Arrays
  • Piezoceramics
  • Potassium
  • Single Crystals
  • Strontium
  • Thick Films
  • Thin Films
  • Titanates

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Phased Array Antenna Design.

Technology Areas

  • Microelectronics
  • Microelectronics - Graphene