A non volatile memory cell that includes a first electrode; a variable resistive layer disposed on the first electrode; a filament growth layer disposed on the variable resistive layer, the filament growth layer including dielectric material and metal atoms; and a second electrode. In other embodiments, a memory array is disclosed that includes a plurality of non volatile memory cells, each non volatile memory cell including a first electrode; a variable resistive layer disposed on the first electrode; a filament growth layer disposed on the variable resistive layer, the filament growth layer including clusters of a first electrically conductive atomic component interspersed in an oxidized second atomic component; and a second electrode; at least one word line; and at least one bit line, wherein the word line is orthogonal to the bit line and each of the plurality of non volatile memory cells are operatively coupled to a word line and a bit line. In still other embodiments, methods are disclosed that include forming a non volatile memory cell include forming a first electrode; forming a variable resistive layer on the first electrode; depositing a two phase alloy layer on the variable resistive layer; converting the two phase alloy layer to a filament growth layer; and depositing a second electrode on the filament growth layer, thereby forming a non volatile memory cell.

 
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