Electrically Controlled All-Antiferromagnetic Tunnel Junctions on Silicon with Large Room-Temperature Magnetoresistance
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Título
Electrically Controlled All-Antiferromagnetic Tunnel Junctions on Silicon with Large Room-Temperature MagnetoresistanceAutoría
Fecha de publicación
2024-06-13Editor
WileyISSN
0935-9648; 1521-4095Cita bibliográfica
J. Shi, S. Arpaci, V. Lopez-Dominguez, V. K. Sangwan, F. Mahfouzi, J. Kim, J. G. Athas, M. Hamdi, C. Aygen, H. Arava, C. Phatak, M. Carpentieri, J. S. Jiang, M. A. Grayson, N. Kioussis, G. Finocchio, M. C. Hersam, P. Khalili Amiri, Electrically Controlled All-Antiferromagnetic Tunnel Junctions on Silicon with Large Room-Temperature Magnetoresistance. Adv. Mater. 2024, 36, 2312008. https://doi.org/10.1002/adma.202312008Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://onlinelibrary.wiley.com/doi/full/10.1002/adma.202312008Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Antiferromagnetic (AFM) materials are a pathway to spintronic memory and computing devices with unprecedented speed, energy efficiency, and bit density. Realizing this potential requires AFM devices with simultaneous ... [+]
Antiferromagnetic (AFM) materials are a pathway to spintronic memory and computing devices with unprecedented speed, energy efficiency, and bit density. Realizing this potential requires AFM devices with simultaneous electrical writing and reading of information, which are also compatible with established silicon-based manufacturing. Recent experiments have shown tunneling magnetoresistance (TMR) readout in epitaxial AFM tunnel junctions. However, these TMR structures are not grown using a silicon-compatible deposition process, and controlling their AFM order required external magnetic fields. Here are shown three-terminal AFM tunnel junctions based on the noncollinear antiferromagnet PtMn3, sputter-deposited on silicon. The devices simultaneously exhibit electrical switching using electric currents, and electrical readout by a large room-temperature TMR effect. First-principles calculations explain the TMR in terms of the momentum-resolved spin-dependent tunneling conduction in tunnel junctions with noncollinear AFM electrodes. [-]
Publicado en
Advanced Materials, 2024, vol. 36, no 24Entidad financiadora
National Science Foundation (NSF) | National Science Foundation Materials Research Science and Engineering Center at Northwestern University | Office of Naval Research | Northwestern University | United States Department of Energy (DOE) | NSF PFI-RP | European Union | Generalitat Valenciana
Código del proyecto o subvención
ECCS-2203243 | ECCS-1853879 | ECCS-1912694 | NSF DMR-1720139 | ONR N00014‐19‐1‐2297 | NSF ECCS-1542205 | NSF DMR-1720139 | NSF ECCS-1542205 | DE-AC02-06CH11357 | 1919109 | 1160504 | DMR-1828019 | info:eu-repo/grantAgreement/EC/HE/101070287 | CIDEXG/2022/26
Derechos de acceso
info:eu-repo/semantics/openAccess
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Excepto si se señala otra cosa, la licencia del ítem se describe como: © 2024 The Authors. Advanced Materials published by Wiley-VCHGmbH. This is an open access article under the terms of the CreativeCommons Attribution-NonCommercial License, which permits use,distribution and reproduction in any medium, provided the original workis properly cited and is not used for commercial purposes.