http://onlinelibrary.wiley.com/doi/10.1002/smll.201670098/full
A giant terahertz modulation based on a Ba0.6Sr0.4TiO3–silicon hybrid metamaterial is reported by L. Wu, W. Zhang, and co-workers on page 2610. The proposed nanoscale Ba0.6Sr0.4TiO3 (BST) hybrid metamaterial, delivering a transmission contrast of up to ≈79% due to electrically enabled carrier transport between the ferroelectric thin film and silicon substrate, is promising in developing high-performance real world photonic devices for terahertz technology.
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