Zhang, Hongbin ; Dirba, Imants ; Helbig, Tim ; Alff, Lambert ; Gutfleisch, Oliver (2016)
Engineering perpendicular magnetic anisotropy in Fe via interstitial nitrogenation: N choose K.
In: APL Materials, 4 (11)
doi: 10.1063/1.4967285
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
In this work, combining experimental results and first principles calculations, we show that interstitial nitrogen not only serves for inducing tetragonality in Fe8Nx but is also essential for achieving a high degree of perpendicular magnetocrystalline anisotropy, K. Our results demonstrate that the orbital magnetic moments of the iron atoms above and below N in the direction of magnetization are much more susceptible to the applied magnetic field than their in-plane counterparts, leading to a giant value of K as compared to a hypothetical distorted material without N. (C) 2016 Author(s).
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2016 |
| Autor(en): | Zhang, Hongbin ; Dirba, Imants ; Helbig, Tim ; Alff, Lambert ; Gutfleisch, Oliver |
| Art des Eintrags: | Bibliographie |
| Titel: | Engineering perpendicular magnetic anisotropy in Fe via interstitial nitrogenation: N choose K |
| Sprache: | Englisch |
| Publikationsjahr: | November 2016 |
| Verlag: | American Institute of Physics, Melville, USA |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | APL Materials |
| Jahrgang/Volume einer Zeitschrift: | 4 |
| (Heft-)Nummer: | 11 |
| DOI: | 10.1063/1.4967285 |
| URL / URN: | https://doi.org/10.1063/1.4967285 |
| Kurzbeschreibung (Abstract): | In this work, combining experimental results and first principles calculations, we show that interstitial nitrogen not only serves for inducing tetragonality in Fe8Nx but is also essential for achieving a high degree of perpendicular magnetocrystalline anisotropy, K. Our results demonstrate that the orbital magnetic moments of the iron atoms above and below N in the direction of magnetization are much more susceptible to the applied magnetic field than their in-plane counterparts, leading to a giant value of K as compared to a hypothetical distorted material without N. (C) 2016 Author(s). |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Dünne Schichten 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Funktionale Materialien 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Theorie magnetischer Materialien |
| Hinterlegungsdatum: | 29 Nov 2016 13:34 |
| Letzte Änderung: | 29 Jan 2019 08:09 |
| PPN: | |
| Sponsoren: | This work was supported by the LOEWE project RESPONSE funded by the Ministry of Higher Education, Research and the Arts (HMWK) of the Hessen state (Germany)., I.D. thanks the BMBF for financial support within the Project No. 03X3582. |
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