Optical memory, switching, and neuromorphic functionality in metal halide perovskite materials and devices

G Vats, B Hodges, AJ Ferguson, LM Wheeler… - Advanced …, 2023 - Wiley Online Library
Metal halide perovskite based materials have emerged over the past few decades as
remarkable solution‐processable optoelectronic materials with many intriguing properties …

Enhanced photocurrent in ferroelectric Bi0. 5Na0. 5TiO3 materials via ferro-pyro-phototronic effect

Y Liu, Y Ji, Y ** of Ferroelectric Domains and the Piezo‐Photovoltaic Effect in Ba‐ and Ni‐Doped (K0.5Na0.5)NbO3
G Vats, Y Bai, J Seidel - Advanced Photonics Research, 2021 - Wiley Online Library
The piezo‐photovoltaic effect has been recently proposed as an analogy of the flexo‐
photovoltaic effect in noncentrosymmetric ferroelectrics that are also piezoelectric in nature …

Robust and Tunable Ferroelectricity in Ba/Co Codoped (K0. 5Na0. 5) NbO3 Ceramics

J Liu, J Zha, Y Yang, X Lu, X Hu, S Yan… - Chinese Physics …, 2024 - iopscience.iop.org
Abstract The 0.98 (K 0.5 Na 0.5) NbO 3-0.02 Ba (Nb 0.5 Co 0.5) O 3–δ ceramics with doped
Ba 2+ and Co 2+ ions are fabricated, and the impacts of the thermal process are studied …

Bulk-Controlled Photovoltaic Effect in Nanometer-Thick Ferroelectric Pb(Zr0.2Ti0.8)O3 Thin Films and the Role of Domain Walls

N Ramakrishnegowda, DS Knoche… - ACS Applied Nano …, 2020 - ACS Publications
Photovoltaic effect in ferroelectrics can be considered as a sum of two dominant
contributions, that is, arising from the ferroelectric/metal junctions and from the bulk of the …

Filterless Visible‐Range Color Sensing and Wavelength‐Selective Photodetection Based on Barium/Nickel Codoped Bandgap‐Engineered Potassium Sodium …

VA Balanov, F Temerov, V Pankratov, W Cao… - Solar RRL, 2023 - Wiley Online Library
Photosensors, photodetectors, or color sensors are key components for various optical and
optoelectronic applications. Semiconductor‐based photodetection has been a dominator …