Enhancement of Ferroelectricity in Strained BaTiO 3 Thin Films
Pennsylvania State University · University of Wisconsin–Madison · +3 more institutions
Abstract
Biaxial compressive strain has been used to markedly enhance the ferroelectric properties of BaTiO3 thin films. This strain, imposed by coherent epitaxy, can result in a ferroelectric transition temperature nearly 500 degrees C higher and a remanent polarization at least 250% higher than bulk BaTiO3 single crystals. This work demonstrates a route to a lead-free ferroelectric for nonvolatile memories and electro-optic devices.
Citation impact
- FWCI
- 30.53
- Percentile
- 100%
- References
- 29
Authors
13- KJKyoung Jin Choi
Pennsylvania State University, University of Wisconsin–Madison, Forschungszentrum Jülich, University of Michigan, Leibniz Institute for Crystal Growth
- MDMichael D. Biegalski
Pennsylvania State University, University of Wisconsin–Madison, Forschungszentrum Jülich, University of Michigan, Leibniz Institute for Crystal Growth
- YLYulan Li
Pennsylvania State University, University of Wisconsin–Madison, Forschungszentrum Jülich, University of Michigan, Leibniz Institute for Crystal Growth
- ASAlok Sharan
Pennsylvania State University, University of Wisconsin–Madison, Forschungszentrum Jülich, University of Michigan, Leibniz Institute for Crystal Growth
- JSJ. Schubert
Pennsylvania State University, University of Wisconsin–Madison, Forschungszentrum Jülich, University of Michigan, Leibniz Institute for Crystal Growth
Topics & keywords
- Ferroelectricity
- Materials science
- Polarization (electrochemistry)
- Epitaxy
- Thin film
- Strain (injury)
- Condensed matter physics
- Optoelectronics