Abstract:Surface roughness that is an inherent character of deposited films determines contact resistance at layer interfaces and thus may play a critical role in write and readout operations of phase-change electrical probe memory comprising multiple stacked layers. The surface roughness of different layered components was therefore simulated and their impact on resulting temperature, write/read current, and bit size was evaluated. It was revealed that using capping layer with larger root-mean-square and denser roughn… Show more
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