3 papers
cond-mat.mtrl-sci2025
Solution-Based Fabrication of High-Performance KNaNbO Thin Films for Surface Haptics
Nagamalleswara Rao Alluri, Longfei Song, Stephanie Girod +8
KNaNbO is among the most promising lead-free piezoelectrics. While its sputtered films match the performance of the champion piezoelectric Pb(Zr,Ti)O, repro…
cond-mat.mtrl-sci2024
Highly Transparent Lead-Free Piezoelectric Haptic Device
Longfei Song, Sebastjan Glinsek, Nagamalleswara Rao Alluri +6
Acoustic haptic technology adds touch sensations to human-machine interfaces by integrating piezoelectric actuators onto touchscreens. Traditional piezoelectric haptic technologies…
physics.app-ph2023
Crystallization of piezoceramic films on glass via flash lamp annealing
Longfei Song, Juliette Cardoletti, Alfredo Blazquez Martinez +5
Integration of thin-film oxide piezoelectrics on glass is imperative for the next generation of transparent electronics to attain sensing and actuating functions. However, their cr…