%0 Journal Article %T A Multi-level Memristor Based on Al-Doped HfO2 Thin Film %A Hongxia Liu %A Jiabin Li %A Lei Wu %A Shulong Wang %A Xing Wang %J Archive of "Nanoscale Research Letters". %D 2019 %R 10.1186/s11671-019-3015-x %X The structure of the devices. a 3D model of the memristors. b Optical microscopy of the device %K Memristor %K HfO2 %K Al doped %K Multi-level memory %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6538729/