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Title: Effect of MgO/Co interface and Co/MgO interface on the spin dependent transport in perpendicular Co/Pt multilayers

Effect of the metal/oxide interface on spin-dependent transport properties in perpendicular [Co/Pt]{sub 3} multilayers was investigated. The saturation Hall resistivity (ρ{sub xy}) is significantly increased by 45% with 1.4 nm thick CoO layer inserted at the top Co/MgO interface; whereas it is increased only 25% with 1 nm thick CoO layer at the bottom MgO/Co interface. The interfacial structures characterized by X-ray photoelectron spectroscopy show that the MgO/Co interface and Co/MgO interface including chemical states play a dominant role on spin-dependent transport, leading to different anomalous Hall behavior.
Authors:
; ; ; ; ;  [1] ;  [1] ;  [2] ;  [3] ;  [4] ;  [5]
  1. Department of Materials Physics and Chemistry, University of Science and Technology Beijing, Beijing 100083 (China)
  2. (China)
  3. State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 (China)
  4. Analytical and Testing Center, Beijing Normal University, Beijing 100875 (China)
  5. Clarendon Laboratory, Department of Physics, University of Oxford, Oxford OXI 3PU (United Kingdom)
Publication Date:
OSTI Identifier:
22308162
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 116; Journal Issue: 16; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CHEMICAL STATE; COBALT; COBALT OXIDES; INTERFACES; LAYERS; MAGNESIUM OXIDES; METALS; SATURATION; SPIN; X-RAY PHOTOELECTRON SPECTROSCOPY