Ultra-density nanostructure GdFe thin film with large perpendicular magnetic anisotropy for a new generation of spintronic device
A method of fabrication of nanostructured thin film includes depositing a Gd20Fe80 alloy by using the thermal evaporating technique on the top of a high-density nanoporous alumina template. In a particular embodiment, the high-density nanoporous alumina template has a pore diameter of 92 nm and interpore distance of 103 nm and the Gd20Fe80 nanostructured thin film has a layer thickness of 48 nm. The present method results in nanostructured GdFe thin films with large perpendicular magnetic energy density of 4.8 erg/cm2, which is 15 times higher than obtained in the conventional ferromagnetic alloy thin films with PMA..
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Patent| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Europäisches Patentamt - (2023) vom: 31. Okt. Zur Gesamtaufnahme - year:2023 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
ALI MAI MOSTAFA KHALAF [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Themen: |
Sonstige Themen: |
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| Anmerkungen: |
Source: www.epo.org (no modifications made), First posted: 2023-10-31, Last update posted on www.tib.eu: 2023-12-14, Last updated: 2023-12-22 |
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| Patentnummer: |
US11804322 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
EPA018532047 |
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| 520 | |a A method of fabrication of nanostructured thin film includes depositing a Gd20Fe80 alloy by using the thermal evaporating technique on the top of a high-density nanoporous alumina template. In a particular embodiment, the high-density nanoporous alumina template has a pore diameter of 92 nm and interpore distance of 103 nm and the Gd20Fe80 nanostructured thin film has a layer thickness of 48 nm. The present method results in nanostructured GdFe thin films with large perpendicular magnetic energy density of 4.8 erg/cm2, which is 15 times higher than obtained in the conventional ferromagnetic alloy thin films with PMA. | ||
| 650 | 4 | |a phy | |
| 650 | 4 | |a elt | |
| 650 | 4 | |a H01F: Magnets; inductances; transformers; selection of materials for their magnetic properties | |
| 650 | 4 | |a B82Y: Specific uses or applications of nanostructures; measurement or analysis of nanostructures; manufacture or treatment of nanostructures | |
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