CUED Publications database

Tunnelling anisotropic magnetoresistance at La<inf>0.67</inf>Sr<inf>0.33</inf>MnO<inf>3</inf>-graphene interfaces

Phillips, LC and Lombardo, A and Ghidini, M and Yan, W and Kar-Narayan, S and Hämäläinen, SJ and Barbone, M and Milana, S and Van Dijken, S and Ferrari, AC and Mathur, ND (2016) Tunnelling anisotropic magnetoresistance at La<inf>0.67</inf>Sr<inf>0.33</inf>MnO<inf>3</inf>-graphene interfaces. Applied Physics Letters, 108. ISSN 0003-6951

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Abstract

© 2016 AIP Publishing LLC. Using ferromagnetic La 0.67 Sr 0.33 MnO 3 electrodes bridged by single-layer graphene, we observe magnetoresistive changes of ∼32-35 MΩ at 5 K. Magneto-optical Kerr effect microscopy at the same temperature reveals that the magnetoresistance arises from in-plane reorientations of electrode magnetization, evidencing tunnelling anisotropic magnetoresistance at the La 0.67 Sr 0.33 MnO 3 -graphene interfaces. Large resistance switching without spin transport through the non-magnetic channel could be attractive for graphene-based magnetic-sensing applications.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Div B > Photonics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:11
Last Modified: 23 Nov 2017 03:32
DOI: