Journal
JOURNAL OF APPLIED PHYSICS
Volume 105, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3042238
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Funding
- National Science Foundation (NSF) [DMR-0507146]
- Division of Scientific User Facilities, Basic Energy Sciences
- U.S. Department of Energy
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The electro-optic response of epitaxially strained SrTiO3 grown on bulk DyScO3 substrates is measured as a function of applied in-plane bias (both magnitude and direction) and light polarization. The effective electro-optic coefficients are bias-field dependent. Hysteresis is observed at room temperature, indicative of residual polarity, which is believed to be due to long-lived alignment of nanopolar regions possibly due to defects. A simple model incorporating non-180 degrees-nanoscale domains can account for most of the experimental observations. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3042238]
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