https://pure.psu.edu/en/publications/piezoelectric-properties-in-perovskite-0948ksub05subna-sub05subnb/
Piezoelectric properties in perovskite 0.948(K0.5Na 0.5)NbO3-0.052LiSbO3 lead-free ceramics...
https://pure.psu.edu/en/publications/characterization-of-lead-free-ksub05subnasub05subnbosub3sub-lisbo/
Characterization of lead free (K0.5Na0.5)NbO3-LiSbO3 piezoceramic - Penn State
lead free
https://pure.psu.edu/en/publications/shear-mode-piezoelectric-properties-of-modified-knanbosub3sub-cer/
Shear-mode piezoelectric properties of modified-(K,Na)NbO3 ceramics for "hard" lead-free...
https://ltu.diva-portal.org/smash/record.jsf?pid=diva2%3A976756
DC field dependent properties of Na0.5 K0.5 NbO3/SiO2/Si structures at millimeter-wave frequencies
https://research.tudelft.nl/en/publications/enhancing-energy-harvesting-potential-of-knalinbosub3sub-epoxy-co/
Enhancing energy harvesting potential of (K,Na,Li)NbO3-epoxy composites via Li substitution - TU...