Yazdi, Mehrdad Baghaie ; Major, Márton ; Wildes, Andrew ; Wilhelm, Fabrice ; Rogalev, Andrei ; Donner, Wolfgang ; Alff, Lambert (2016)
Possible evidence for a spin-state crossover in the Verwey state inFe3O4thin films.
In: Physical Review B, 93 (1)
doi: 10.1103/PhysRevB.93.014439
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
In epitaxial thin films of magnetite a large change in magnetization across the Verwey transition has been observed. In the Verwey state, the sample magnetization appeared to be strongly reduced, in some samples even close to zero. Using superconducting quantum interference magnetometry, x-ray absorption near edge spectroscopy, and polarized neutron reflectometry, a simple rotation of the magnetization vector due to a change in magnetocrystalline anisotropy was excluded. The experimental data rather suggest an intrinsic loss of magnetic moment due to a possible transition into a low or intermediate spin state of Fe2+. This observation discloses a different aspect of the Verwey transition.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2016 |
| Autor(en): | Yazdi, Mehrdad Baghaie ; Major, Márton ; Wildes, Andrew ; Wilhelm, Fabrice ; Rogalev, Andrei ; Donner, Wolfgang ; Alff, Lambert |
| Art des Eintrags: | Bibliographie |
| Titel: | Possible evidence for a spin-state crossover in the Verwey state inFe3O4thin films |
| Sprache: | Englisch |
| Publikationsjahr: | 26 Januar 2016 |
| Verlag: | APS Publishing |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Physical Review B |
| Jahrgang/Volume einer Zeitschrift: | 93 |
| (Heft-)Nummer: | 1 |
| DOI: | 10.1103/PhysRevB.93.014439 |
| Kurzbeschreibung (Abstract): | In epitaxial thin films of magnetite a large change in magnetization across the Verwey transition has been observed. In the Verwey state, the sample magnetization appeared to be strongly reduced, in some samples even close to zero. Using superconducting quantum interference magnetometry, x-ray absorption near edge spectroscopy, and polarized neutron reflectometry, a simple rotation of the magnetization vector due to a change in magnetocrystalline anisotropy was excluded. The experimental data rather suggest an intrinsic loss of magnetic moment due to a possible transition into a low or intermediate spin state of Fe2+. This observation discloses a different aspect of the Verwey transition. |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Dünne Schichten 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Strukturforschung 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften |
| Hinterlegungsdatum: | 26 Apr 2016 11:18 |
| Letzte Änderung: | 26 Apr 2016 11:18 |
| PPN: | |
| Sponsoren: | The authors thank the LOEWE projects RESPONSE and AdRIA funded by the Hessen State Ministry of Higher Education, Research and the Arts (HMWK). |
| Export: | |
| Suche nach Titel in: | TUfind oder in Google |
 |
Frage zum Eintrag |
Optionen (nur für Redakteure)
 |
Redaktionelle Details anzeigen |
Drucken
Impressum