Patent ID: 9047937
Filing Date: 2015-06-02
Classification: G11C,H01L

Abstract:
1. A method for operating a resistive random access memory device the resistive random access memory device comprising: a resistive switching memory element including two electrodes and a layer of variable-resistance material between the two electrodes, wherein the layer of variable-resistance material exhibits bipoarl resitive switching behavior, and a Schottky diode including a metal layer and a p-domed semiconductor layer which contact each other, wherein the Schottky diode and the resistive switching memory element share the metal layer and are connected directly with each other by the shared metal layer, wherein the p-doped semiconductor layer of the Schottky diode is coupled to a bit line, and the other of the two electrodes of the resistive switching memory element is coupled to a word line, the method comprising: during read operation, a negeative voltage V during SET operation, a positive voltage V during RESET operation, another negative voltage V wherein V where V wherein the doping concentration of the p-doped semiconductor layer layer of the Schottky diode is tuned so that I