“In the ferroelectric devices, polarization control is usually accomplished by application of an electric field.”* In the article “Optical control of polarization in ferroelectric heterostructures” Tao Li et al. demonstrate optically induced polarization switching in BaTiO3-based ferroelectric heterostructures utilizing a two-dimensional narrow-gap semiconductor MoS2 as a top electrode.
NANOSENSORS PPP-EFM PtIr coated AFM probes were used to perform the KPFM and PFM measurements mentioned in the article cited below.
*Tao Li, Alexey Lipatov, Haidong Lu, Hyungwoo Lee, Jung-Woo Lee, Engin Torun, Ludger Wirtz, Chang-Beom Eom, Jorge Íñiguez, Alexander Sinitskii, Alexei Gruverman
Optical control of polarization in ferroelectric heterostructures
Nature Communications, volume 9, Article number: 3344 (2018)
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