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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202109163
|2 doi
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|a pubmed24n1120.xml
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|a DE-627
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|a eng
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|a Jaiswal, Arun Kumar
|e verfasserin
|4 aut
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|a Direct Observation of Strong Anomalous Hall Effect and Proximity-Induced Ferromagnetic State in SrIrO3
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|c 2022
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 07.04.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a The 5d iridium-based transition metal oxides have gained broad interest because of their strong spin-orbit coupling, which favors new or exotic quantum electronic states. On the other hand, they rarely exhibit more mainstream orders like ferromagnetism due to generally weak electron-electron correlation strength. Here, a proximity-induced ferromagnetic (FM) state with TC ≈ 100 K and strong magnetocrystalline anisotropy is shown in a SrIrO3 (SIO) heterostructure via interfacial charge transfer by using a ferromagnetic insulator in contact with SIO. Electrical transport allows to selectively probe the FM state of the SIO layer and the direct observation of a strong, intrinsic, and positive anomalous Hall effect (AHE). For T ≤ 20 K, the AHE displays unusually large coercive and saturation field, a fingerprint of a strong pseudospin-lattice coupling. A Hall angle, σxy AHE /σxx , larger by an order of magnitude than in typical 3d metals and an FM net moment of about 0.1 μB /Ir, is reported. This emphasizes how efficiently the nontrivial topological band properties of SIO can be manipulated by structural modifications and the exchange interaction with 3d TMOs
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|a Journal Article
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|a anomalous Hall effect
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|a iridates
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| 650 |
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|a magnetism
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|a oxide heterostructures
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|a thin films
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1 |
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|a Wang, Di
|e verfasserin
|4 aut
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1 |
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|a Wollersen, Vanessa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schneider, Rudolf
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tacon, Matthieu Le
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fuchs, Dirk
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 14 vom: 15. Apr., Seite e2109163
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:14
|g day:15
|g month:04
|g pages:e2109163
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|u http://dx.doi.org/10.1002/adma.202109163
|3 Volltext
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