Giant Perpendicular Magnetic Anisotropy In Fe/GaN Thin Films For Data Storage And Memory Devices
AssigneeUniversity of New Hampshire
InventorsJiadong Zang, Jiexiang Yu
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Abstract
A giant perpendicular magnetic anisotropy (PMA) material comprises a III-V nitride substrate, and a layer of nitrogen disposed upon a surface of the III-V nitride substrate. The layer of nitrogen forms an N-terminated surface. The PMA material further comprises an iron film disposed upon the N-terminated surface. The III-V nitride substrate may be gallium nitride (GaN). A memory device using the PMA material may further comprise an input/output interface configured to communicate an address signal, a read/write signal and a data signal. The memory device may further comprise a controller configured to coordinate reading data from and writing data to the memory element.
Claims20
A giant perpendicular magnetic anisotropy (PMA) material, comprising:
- a III-V nitride substrate;
- a layer of nitrogen disposed upon a surface of the III-V nitride substrate, the layer of nitrogen forming a nitrogen terminated (N-terminated) surface;
- and
- an iron film disposed upon the N-terminated surface.
A method of fabricating a giant PMA material, comprising:
- exposing a surface of a III-V nitride substrate to an atmosphere configured to provide a source of nitrogen, to dispose a layer of nitrogen on the surface of the III-V nitride substrate, the layer of nitrogen forming an N-terminated surface;
- disposing an iron film upon the N-terminated surface.
A memory device, comprising:
- a memory element comprising:
- a III-V nitride substrate;
- a layer of nitrogen disposed upon a surface of the III-V nitride substrate, the layer of nitrogen forming an N-terminated surface;
- and
- an iron film disposed upon the N-terminated surface;
- an input/output interface configured to communicate an address signal, a read/write signal and a data signal;
- and
- a controller configured to coordinate reading data from and writing data to the memory element.
Dependencies are inferred from the claim text.