Spin valve structures with specular reflection layers

This invention presents a method and structure for magnetic spin valves. The spin valve structure includes a first ferromagnetic layer separated from a second ferromagnetic layer by a non-magnetic layer. The spin valve structure also includes a first specular scattering layer separated from a second...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SINGLETON ERIC W, HINTZ MICHAEL B, DUXSTAD KRISTIN JOY
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MAGNETS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TESTING TRANSFORMERS
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Beschreibung
Zusammenfassung:	This invention presents a method and structure for magnetic spin valves. The spin valve structure includes a first ferromagnetic layer separated from a second ferromagnetic layer by a non-magnetic layer. The spin valve structure also includes a first specular scattering layer separated from a second specular scattering layer by the first ferromagnetic layer, the non-magnetic layer, and the second ferromagnetic layer. The first ferromagnetic layer can include a free layer and the non-magnetic layer can include a spacer layer. The second ferromagnetic layer can include a pinned layer or a reference layer. The specular scattering layers can include a material such as Y2O3, HfO2, MgO, Al2O3, NiO, Fe2O3, and Fe3O4. The specular scattering layers can also be used in a SAF structure. In the SAF structure, the antiferromagnetic coupling material can be co-deposited with the second specular scattering layer.