Multifunctional Spin Logic Operations in Graphene Spin Circuits
Journal article, 2022

Spin-based computing, combining logic and nonvolatile magnetic memory, is promising for emerg-ing information technologies. However, the realization of a universal spin logic operation, representing a reconfigurable building block with all-electrical spin-current communication, has so far remained chal-lenging. Here, we experimentally demonstrate reprogrammable all-electrical multifunctional spin logic operations in a nanoelectronic device architecture, utilizing graphene buses for spin communication and mixing and nanomagnets for writing and reading information at room temperature. This device realizes a multistate spin-majority logic operation, which is reconfigured to achieve (N)AND, (N)OR, and XNOR Boolean operations, depending on the magnetization of inputs. The results are in good agreement with the predictions from a spin-circuit model, providing an experimental demonstration of a spin-based logic unit that takes advantage of the vector nature of spin, as opposed to conventional scalar charge-based devices. These spin logic operations in large-area graphene are fully compatible with industrial fabrication pro-cesses and represent a promising platform for scalable all-electric spin-based logic-in-memory computing architecture.

Author

Dmitrii Khokhriakov

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

2D-Tech

Shehrin Sayed

University of California at Berkeley

Anamul Md Hoque

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

2D-Tech

Bogdan Karpiak

2D-Tech

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Bing Zhao

2D-Tech

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Supriyo Datta

Purdue University

Saroj Prasad Dash

2D-Tech

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Graphene Centre at Chalmers

Published in

Physical Review Applied

2331-7019 (eISSN)

Vol. 18 Issue 6 art. no 064063

Research Project(s)

Spintronics with Topological Quantum Material and Magnetic Heterostructures

Swedish Research Council (VR) (2021-04821), 2022-01-01 -- 2025-12-31.

2Dimensional van der Waals Spin-Orbit Torque Technology

Swedish Research Council (VR) (2021-05925), 2021-12-01 -- 2024-11-30.

2D material-based technology for industrial applications (2D-TECH)

GKN Aerospace Sweden (2D-tech), 2021-01-01 -- 2024-12-31.

VINNOVA (2019-00068), 2020-05-01 -- 2024-12-31.

Graphene Core Project 3 (Graphene Flagship)

European Commission (EC) (EC/H2020/881603), 2020-04-01 -- 2023-03-31.

Categorizing

Areas of Advance

Nanoscience and Nanotechnology

Materials Science

Subject Categories (SSIF 2011)

Other Physics Topics

Other Electrical Engineering, Electronic Engineering, Information Engineering

Condensed Matter Physics

Infrastructure

Nanofabrication Laboratory

Identifiers

DOI

10.1103/PhysRevApplied.18.064063

More information

Latest update

2/12/2024