At high laser fluence, (Ba,Sr)TiO3 films expand less than heat diffusion predicts, a deviation the authors attribute to charge injection across the Schottky barrier at the SrRuO3 interface.
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How does picosecond structural deformation of (Ba,Sr)TiO$_{3}$ relate to the pyroelectric effect?
At high laser fluence, (Ba,Sr)TiO3 films expand less than heat diffusion predicts, a deviation the authors attribute to charge injection across the Schottky barrier at the SrRuO3 interface.