▎ 摘 要
NOVELTY - A bipolar retardant variable storage device comprises substrate, lower electrode surface provided on the substrate, rectification function layer provided on the lower electrode layer, graphene layer provided on the rectification function layer, resistive dielectric layer provided on graphene layer, and upper electrode provided on the resistive dielectric layer, where the rectification function layer is made of aluminum oxide, titanium dioxide and magnesium oxide. USE - Bipolar retardant variable storage device. ADVANTAGE - The bipolar retardant variable storage device has good rectifying effect, improved device performance, reduced reset current and reduced power consumption. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing bipolar retardant variable storage device.