Patent classifications
G11C2213/52
RESISTIVE RANDOM-ACCESS MEMORY DEVICES WITH MULTI-COMPONENT ELECTRODES
The present disclosure relates to resistive random-access memory (RRAM) devices. In some embodiments, a RRAM device may include a first electrode; a second electrode comprising an alloy containing tantalum; and a switching oxide layer positioned between the first electrode and the second electrode, wherein the switching oxide layer includes at least one transition metal oxide. The alloy containing tantalum may further contain at least one of hafnium, molybdenum, tungsten, niobium, or zirconium. In some embodiments, the alloy containing tantalum may include one or more of a binary alloy containing tantalum, a ternary alloy containing tantalum, a quaternary alloy containing tantalum, a quinary alloy containing tantalum, a senary alloy containing tantalum, and a high order alloy containing tantalum.
RESISTIVE RANDOM-ACCESS MEMORY DEVICES WITH METAL-NITRIDE COMPOUND ELECTRODES
The present disclosure relates to resistive random-access memory (RRAM) devices. In some embodiments, an RRAM device includes: a first electrode including a metal nitride; a second electrode comprising a first conductive material; and a switching oxide layer positioned between the first electrode and the second electrode. The switching oxide layer includes at least one transition metal oxide. In some embodiments, the metal nitride in the first electrode includes titanium nitride and/or tantalum nitride. The first electrode does not include a non-reactive metal, such as platinum (Pt), palladium (Pd), etc.
Phase-change memory device with reduced programming voltage
A device includes an electronic component, and the electronic component includes a first pad, a second pad, and a strip connecting the first pad and the second pad. The device further includes a first electrode in contact with the first pad and a second electrode in contact with the second pad. The electronic component is made of a phase change material. At least one of the first electrode and the second electrode is coated with a material that is configured to increase a difference in workfunction between the first electrode and the second electrode.
Controlling voltage resistance through metal-oxide device
Embodiments of the present invention provide a computer system, a voltage resistance controlling apparatus, and a method that comprises at least two electrodes on proximal endpoints; a first layer disposed on the at least two electrodes, wherein the first layer is a made of a metal-oxide; a second layer disposed on the second layer, wherein the second first layer is made of an electrically conductive metal-oxide; a forming contact disposed on the second layer, wherein a combination of the forming contact disposed on the first layer disposed on the second layer operatively connects the at least two electrodes; and a computer system operatively connected to the forming contact, wherein the computer system is configured to apply a predetermined voltage to the first layer and the second layer respectively and display an overall resistance increase using a user interface.
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
A semiconductor device is provided. The semiconductor device includes a substrate a substrate, a first electrode structure on the substrate, the first electrode structure including first insulating patterns and first electrode patterns, the first insulating patterns alternately stacked with the first electrode patterns, a second electrode pattern on a sidewall of the first electrode structure, and a data storage film on a sidewall of the second electrode pattern. The data storage film has a variable resistance.
Semiconductor memory device with resistance change memory element and manufacturing method of semiconductor memory device with resistance change memory element
A semiconductor memory device has a first wiring extending in a first direction and a second wiring extending in a second direction. The first and second wirings are spaced from each other in a third direction. The second wiring has a first recess facing the first wiring. A resistance change memory element is connected between the first and second wirings. A conductive layer is between the resistance change memory element and the second wiring and includes a first protrusion facing the second wiring. A switching portion is between the conductive layer and the second wiring and includes a second recess facing the conductive layer and a second protrusion facing the second wiring. The first protrusion is in the second recess. The second protrusion is in the first recess. The switching portion is configured to switch conductivity state according to voltage between the first wiring and the second wiring.
Method of forming resistive memory cell having an ovonic threshold switch
The disclosure concerns a resistive memory cell, including a stack of a selector, of a resistive element, and of a layer of phase-change material, the selector having no physical contact with the phase-change material. In one embodiment, the selector is an ovonic threshold switch formed on a conductive track of a metallization level.
Bottom electrode structure in memory device
In some embodiments, the present disclosure relates to an integrated chip. The integrated chip includes one or more lower interconnects arranged within a dielectric structure over a substrate. A bottom electrode is disposed over one of the one or more lower interconnects. The bottom electrode includes a first material having a first electronegativity. A data storage layer separates the bottom electrode from a top electrode. The bottom electrode is between the data storage layer and the substrate. A reactivity reducing layer includes a second material and has a second electronegativity that is greater than or equal to the first electronegativity. The second material contacts a lower surface of the bottom electrode that faces the substrate.
Non-volatile memory
A non-volatile memory includes a first semiconductor layer vertically stacked on a second semiconductor layer and including a first memory group, a second memory group, a third memory group and a fourth memory group. The second semiconductor layer includes a first region, a second region, a third region and a fourth region respectively underlying the first memory group, second memory group, third memory group and fourth memory group. The first region includes one driving circuit connected to memory cells of one of the second memory group, third memory group and fourth memory group through a first word line, and another driving circuit connected to memory cells of the first memory group through a first bit line, wherein the first word line and first bit line extend in the same horizontal direction.
Projected memory device with reduced minimum conductance state
A memory device enabling a reduced minimal conductance state may be provided. The device comprises a first electrode, a second electrode and phase-change material between the first electrode and the second electrode, wherein the phase-change material enables a plurality of conductivity states depending on the ratio between a crystalline and an amorphous phase of the phase-change material. The memory device comprises additionally a projection layer portion in a region between the first electrode and the second electrode. Thereby, an area directly covered by the phase-change material in the amorphous phase in a reset state of the memory device is larger than an area of the projection layer portion oriented to the phase-change material, such that a discontinuity in the conductance states of the memory device is created and a reduced minimal conductance state of the memory device in a reset state is enabled.