Geometric and magnetic properties of Co/Pd system |
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| Institution: | 1. Department of physics, Seoul National University, Seoul 151-742, South Korea;2. National Synchrotron Light Source, Brookhaven National Laboratory, Upton, NY 11973-5000, USA;1. School of Physics, University of Hyderabad, Hyderabad, India;2. Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon, Canada;3. Department of Physics, Indian Institute of Science, Bangalore, India;4. Department of Physics, Guru Jambheshwar University of Science & Technology, Hisar-125001, Haryana, India;1. Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan, Jeonbuk 570-752, South Korea;2. School of Natural Resources, University of Nebraska–Lincoln, Lincoln, NE 68583-0817, USA;1. Department of Chemistry, Faculty of Science, Selcuk University, Turkey;2. Department of Molecular Biology and Genetics, Faculty of Science, Necmettin Erbakan University, Turkey;3. Department of Biology, Faculty of Science, Selcuk University, Turkey;1. School of Environment & Natural Resource, Renmin University of China, Beijing 100872, China;2. School of Construction and Environment Engineering, Shenzhen Polytechnic, Shenzhen 518055, China |
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| Abstract: | We measured geometric and magnetic properties of Co films on the Pd(1 1 1) surface by X-ray photoelectron diffraction (XPD), X-ray magnetic circular dichroism (MCD) at the Co L2,3 edge, and the surface magneto-optical Kerr effect (SMOKE) measurements. Co thin films are found to grow incoherently with fcc island structure on the smooth Pd(1 1 1) substrate. Comparison of MCD and SMOKE measurements of Co thin films grown on rough and smooth Pd(1 1 1) surfaces suggests that perpendicular remnant magnetization and Co orbital moment are enhanced by the rough interface. Pd capping layer also induces perpendicular orbital moment enhancement. These observations indicate the influence of hybridization between Co 3d and Pd 4d at the interface on the magnetic anisotropy. |
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