IP Library Granted Patent US 11,201,276
Granted Patent B2
US 11,201,276 · App. 16/790,729 · Granted Dec 14, 2021

Switch cell device

Inventors: Lucian Shifren (San Jose, CA); Carlos Alberto Paz de Araujo (Colorado Springs, CO)
Assignee: Cerfe Labs, Inc.
H01L39/16H01L39/025H01L39/223H01L39/2493
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Quick Facts
Patent No.
US 11,201,276
App. No.
16/790,729
Granted
Dec 14, 2021
Kind
B2
Abstract

Various implementations described herein are related to a device having multiple conductive terminals formed with a superconductive material. The device may include at least one switching layer formed with correlated-electron material (CEM) that is disposed between the multiple conductive terminals. The CEM may comprise carbon or a carbon based compound. The device may refer to a switch structure or similar.

Claims (30)

1. A device, comprising:

multiple conductive terminals formed from a superconductive material; and

a switching layer formed from a switching material disposed between the multiple conductive terminals along a first axis, wherein two or more first conductors of the multiple conductive terminals operate to transition the switching material between an insulative state and a metal state, and wherein two or more second conductors, disposed along a second axis intersecting the first axis, operate to facilitate memory read operations involving the device, and

wherein the switching material comprises carbon.

2. The device of claim 1 , wherein the switching layer is a non-volatile (NV) switching layer that transitions between the insulative state and the metal state, and wherein the carbon of the switching material comprises a carbon based compound with a carbonyl ligand bonded to a transition metal oxide compound.

3. The device of claim 2 , wherein an electrical current conducting through the switching layer operates to switch the switching material between the insulative state and the metal state.

4. The device of claim 1 , wherein the switching material comprises a correlated electron material (CEM), and wherein the CEM and the multiple conductive terminals are configured to form a non-volatile superconductor correlated-electron random access memory (NVS-CeRAM) cell.

5. The device of claim 1 , wherein the device is configured to switch at low temperature, and wherein the low temperature is to be within a range of temperatures for electrode materials comprising superconductors and/or high temperature critical (TC) superconductors in a superconducting phase.

6. The device of claim 1 , wherein the device is configured to switch at a temperature within a range of 10° mK (milli-Kelvin) and 10° K (Kelvin).

7. The device of claim 4 , wherein the CEM is formed of different layers that comprise properties of non-switching CEMs, non-switching dielectrics, and/or sandwiched layers of dielectrics, ferroelectric and/or multi-ferric materials.

8. The device of claim 1 , wherein the superconductive material comprises a low temperature superconductor and/or a high temperature-critical (TC) superconductor.

9. A switch structure, comprising:

first conductive terminals disposed along a first axis and formed from a superconductive material;

second conductive terminals disposed along a second axis that intersects the first axis and formed from a conductive material; and

a switching layer formed from a switching material with disposed between the first conductive terminals and the second conductive terminals of the switching layer to operate to transition the switching material between an insulative state to indicate a first logic state and a metal state to indicate a second logic state,

wherein the switching material comprises carbon.

10. The switch structure of claim 9 , wherein the switching layer comprises a correlated electron material (CEM), and wherein the CEM and the first conductive terminals and the second conductive terminals are arranged to form a non-volatile superconductor correlated-electron random access memory (NVS-CeRAM) cell.

11. The switch structure of claim 9 , wherein the switch structure is configured to switch at low temperature, and wherein the low temperature is to be within a range of temperatures for electrode materials comprising a superconductor and/or a high temperature critical (TC) superconductor in a superconducting phase.

12. The switch structure of claim 9 , wherein the switch structure is configured to switch at a temperature within a range of 10° mK (milli-Kelvin) and 10° K (Kelvin).

13. The switch structure of claim 9 , wherein the switching material is formed of different layers that have properties of non-switching materials, non-switching dielectrics, and/or sandwiched layers of dielectrics, ferroelectric and/or multi-ferric materials.

14. The switch structure of claim 9 , wherein the superconductive material comprises a low temperature superconductor and/or a high temperature-critical (TC) superconductor.

15. The switch structure of claim 9 , wherein the switching layer comprises a layer formed from a transition metal oxide (TMO).

16. A method, comprising:

fabricating multiple conductive terminals formed from a superconductive material; and

fabricating a switching layer formed from a switching material disposed between the multiple conductive terminals, wherein two or more first conductors of the multiple conductive terminals, arranged along a first axis, operate to transition the switching material between an insulative state and a metal state, and wherein two or more second conductors of the multiple conductive terminals, arranged along a second axis that intersects the first axis, operate to facilitate read operations,

wherein the switching material comprises carbon.

17. The method of claim 16 , wherein:

the carbon of the switching material to comprises a carbon based-compound with a carbonyl ligand bonded to a transition metal oxide, the multiple conductive terminals comprise first conductive terminals formed from the superconductive material, and the superconductive material comprises a low temperature superconductor and/or a high temperature-critical (TC) superconductor.

18. The method of claim 17 , wherein fabricating the multiple conductive terminals comprises fabricating second conductive terminals from a conductive material, wherein the switching layer is disposed between the first conductive terminals and the second conductive terminals, and wherein the conductive material comprises a metallic conductive material.

19. The switch structure of claim 8 , wherein the superconductive material comprises a low temperature superconductor and wherein the low temperature superconductor comprises niobium.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 26, 2020
From: ARM LIMITED
To: CERFE LABS, INC.
Reel/Frame 054297/0508 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 14, 2020
From: SHIFREN, LUCIAN; PAZ DE ARAUJO, CARLOS ALBERTO
To: ARM LIMITED
Reel/Frame 051823/0097 →
Continuity (1)
Related Publication 20210257534A1 · Aug 19, 2021