Resistive memory device and fabrication methods
AssigneeCrossbar, Inc.
InventorsSung Hyun Jo, Kuk-Hwan Kim, Tanmay Kumar
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Abstract
A method for forming a resistive memory device includes providing a substrate comprising a first metal material, forming a conductive silicon-bearing layer on top of the first metal material, wherein the conductive silicon-bearing layer comprises an upper region and a lower region, and wherein the lower region is adjacent to the first metal material, forming an amorphous layer from the upper region of the conductive silicon-bearing layer, and disposing an active metal material above the amorphous layer.
Claims30
A method for forming a resistive memory device comprising:
- providing a substrate comprising a first metal material;
- forming a conductive silicon-bearing layer on top of the first metal material, wherein the conductive silicon-bearing layer comprises an upper region and a lower region, and wherein the lower region is adjacent to the first metal material;
- forming an amorphous layer from the upper region of the conductive silicon-bearing layer;
- and
- disposing an active metal material above the amorphous layer.
A method for fabricating a device comprising:
- providing a substrate including a plurality of CMOS devices;
- forming a resistive memory upon the substrate comprising:
- forming a first metal material;
- forming a monolithic conductive silicon-bearing layer on top of the first metal material;
- forming an amorphous silicon and oxygen-bearing layer in a portion of the monolithic conductive silicon-bearing layer;
- and
- disposing an active metal material above the amorphous silicon and oxygen-bearing layer;
- and
- coupling the resistive memory to at least one of the plurality of CMOS devices.
A method for forming a resistive memory device comprising:
- providing a substrate comprising a first metal material;
- forming a conductive silicon-bearing layer on top of the first metal material, wherein the conductive silicon-bearing layer comprises an upper region and a lower region, and wherein the lower region is adjacent to the first metal material;
- forming an amorphous layer from the upper region of the conductive silicon-bearing layer, wherein forming the amorphous layer from the upper region comprises a process selected from a group consisting of:
- performing an Argon, silicon, and/or oxygen plasma etch on an exposed surface of the conductive silicon-bearing layer;
- and
- performing an ion implantation on the upper region of the conductive silicon-bearing, and wherein an ion for the ion implant is selected from a group consisting:
- Argon, silicon, and oxygen;
- and
- disposing an active metal material above the amorphous layer.
Dependencies are inferred from the claim text.