Textured calcium-doped non-volatile ferroelectric ceramic RAM exhibits high in-plane polarization along with suppressed current leakage

https://www.eurekalert.org/news-releases/1136889

"ferroelectric materials scaled down into thin films for microelectronic memory exhibit scaling/ endurance bottlenecks/ high leakage currents degrading polarization retention... overcome controlling grain alignment through grain-texturing/ calcium-doping strontium bismuth tantalate crystal lattice, stabilizing favorable ferroelectric phase/ mitigating defect-induced charge trapping... energy-efficient, high-density memory arrays"