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Spin Hall magnetoresistance and spin Seebeck effect in Pt |CoCr 2 O 4 heterostructures
Aqeel, Aisha
, Kronseder, Matthias
, Vlietstra, Nynke, Huebl, Hans, Heuver, Jeroen A., Noheda, Beatriz, Herrero-Martín, Javier, Pellegrin, Eric, Vasili, Hari B., Mostovoy, Maxim und Back, Christian
(2025)
Spin Hall magnetoresistance and spin Seebeck effect in Pt |CoCr 2 O 4 heterostructures.
Science and Technology of Advanced Materials 26 (1).
Veröffentlichungsdatum dieses Volltextes: 06 Mrz 2025 14:02
Artikel
DOI zum Zitieren dieses Dokuments: 10.5283/epub.75162
Zusammenfassung
This study delves into spin current-induced phenomena, such as spin-Hall magnetoresistance and the spin Seebeck effect within Pt films deposited on a noncollinear magnet, CoCr 2O 4 (CCO), particularly at low temperatures. Detailed investigation of the angular dependencies of spin Hall magnetoresistance (SMR) and spin Seebeck effect (SSE) was carried out. The temperature-dependent behavior of both ...
This study delves into spin current-induced phenomena, such as spin-Hall magnetoresistance and the spin Seebeck effect within Pt films deposited on a noncollinear magnet, CoCr 2O 4 (CCO), particularly at low temperatures. Detailed investigation of the angular dependencies of spin Hall magnetoresistance (SMR) and spin Seebeck effect (SSE) was carried out. The temperature-dependent behavior of both SMR and SSE signals exhibits a discernible variation correlated with different magnetic phases of CCO. To distinguish the contributions arising from magnetic proximity effects, we conducted X-ray magnetic dichroism (XMCD) at the Pt-M 3 edge. XMCD data from Pt/CCO heterostructures suggest that any magnetic moment associated with Pt, if present, is below the detection limit. This supports the notion that the observed signals primarily stem from SMR and SSE. This study offers insights into spin-current-driven phenomena, paving the way for potential spintronic applications.
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| Dokumentenart | Artikel | ||||
| Titel eines Journals oder einer Zeitschrift | Science and Technology of Advanced Materials | ||||
| Verlag: | Taylor & Francis | ||||
|---|---|---|---|---|---|
| Band: | 26 | ||||
| Nummer des Zeitschriftenheftes oder des Kapitels: | 1 | ||||
| Datum | 12 Februar 2025 | ||||
| Institutionen | Physik > Institut für Experimentelle und Angewandte Physik > Prof. Jörg Wunderlich | ||||
| Identifikationsnummer |
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| Stichwörter / Keywords | Spin Hall effect, magnetoresistance, magnetic proximity effects, noncollinear magnet, spin spiral, conicity | ||||
| Dewey-Dezimal-Klassifikation | 500 Naturwissenschaften und Mathematik > 530 Physik | ||||
| Status | Veröffentlicht | ||||
| Begutachtet | Ja, diese Version wurde begutachtet | ||||
| An der Universität Regensburg entstanden | Zum Teil | ||||
| URN der UB Regensburg | urn:nbn:de:bvb:355-epub-751621 | ||||
| Dokumenten-ID | 75162 |
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