Importance

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Abstract

A memory cell device, including a memory material switchable between electrical property states by the application of energy, has bottom and top electrode members and a dielectric material between the two. The bottom and top electrode members have outer, circumferentially-extending surfaces aligned with one another. A memory element, comprising the memory material, at least partially surrounds and electrically contacts the outer surfaces of the top and bottom electrode members to create a memory element transition region at the dielectric material. In some embodiments the top and bottom electrode members and the dielectric element define a stack of material, the stack of material having a length extending in a direction between the top and bottom electrodes and through the dielectric element and a sub lithographically dimensioned width extending perpendicular to the length.

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First Claim