主讲：Dewei Chu

时间：10月 30日14:00

地点：材料楼304报告厅

主办：材料学院

主要内容：To date, it is of great challenge to engineer ionic defects in metal oxides via solution processed approcahes, since the synthesis pressure and atmosphere need to be precisely controlled.In this report, we have successfully predicted and engineered ionic defects in a series of transparent metal oxides. Through density functional theory calculations and experimental tuning the liquid-liquid interface, the status of the defects in these oxide thin films has been verified by studying the resistive switching properties. More importantly, we demonstrated a new solution approach to engineer ionic defects in oxides superlattice thin films through self-assembly technique at ambient temperature. The solution processed thin films achieved multi-states resistance via controlling migrations of ionic defects, which has potential applications in ultra-high data storage capability. Our finding would provide a significant insight into designing and engineering metal oxides for multifunctional, printable, and transparent information storage devices with large-scale production capability.

主讲简介：Dewei Chu，澳大利亚新南威尔士大学材料科学与工程学院副教授，澳大利亚研究理事会未来研究员。2008年博士毕业于中国科学院上海硅酸盐研究所。同年赴日本名古屋产业技术综合研究所从事博士后研究，与松下，东陶等公司开展新型纳米材料与器件的研究。2010年开始担任日本学术振兴会JSPS研究员。2011年获得澳洲研究理事会APD Fellowship，加入新南威尔士大学材料科学与工程系，2014年获得澳洲研究理事会未来研究员称号，先后担任助理讲师，讲师，高级讲师，副教授，主持多项澳洲政府，工业基金，累计科研经费超过2000万人民币。