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6. Glossary
spin transfer torque; couple de transfert de spin
A spin-polarized current acts on the magnetization of a material to change its orientation.
spin orbit torque; couple spin orbite
Action on the magnetization of a material exerted by a spin current originating from an adjacent material with strong spin-orbit coupling, allowing its orientation to be modified.
magnetoresistance; magnetoresistance
Variation in the resistance value of a magnetic sample when subjected to an external magnetic field. Several types of magnetoresistance exist: anisotropic, giant, tunnel and colossal.
ferromagnetic or antiferromagnetic exchange coupling; couplage d'échange ferromagnétique ou antiferromagnétique
Coupling between neighboring spins...
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Bibliography
Events
Condensed Matter Day, Grenoble, August 27-31, 2018
( https://jmc2018.sciencesconf.org )
Colloque Louis Néel, May 14-17, 2019, Toulouse
( https://www.sciencesconf.org/browse/conference/?confid=5388...
Patents
More than 4,500 patents exist on MRAMs, including the following:
High speed magneto-resistive random access memory, J.C. Wu, H.L. Stadler, R.R. Katti, US5173873 (1992) ;
Magnetic memory with a thermally assisted writing procedure, J.P. Nozières, I.L.Prejbeanu, TW200937415 (2009) ;
Magnetic memory device, C. Heide,...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
A number of French manufacturers use nanoscale magnetic materials. These include :
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Crocus Technology (magnetic sensors, MRAMs),
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Hprobe (development...
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