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Title: Magnetoelectric effect in Fe linear chains on Pt(001)

The effect of an electric field on the magnetic properties of Fe chains on Pt(001) is investigated by first-principle calculations. The calculated magnetic anisotropy of the chains yields a preferential magnetization perpendicular to the surface. We predict a linear change in the Fe magnetic moment as a function of the external electric field, which is due to spin-dependent screening of electrons. In the presence of electric field, we also obtain an enhancement in magnetic anisotropy as well as an orbital-moment anisotropy. The enhancement in magnetic anisotropy is due to a change in the d-electron occupancy of the surface atoms.
Authors:
;  [1] ;  [2] ;  [3]
  1. School of Basic Sciences, Indian Institute of Technology Mandi, HP 175001 (India)
  2. Department of Physics and Astronomy and Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, Nebraska 68588 (United States)
  3. Department of Electrical Engineering, IIT Madras, Chennai 600036 (India)
Publication Date:
OSTI Identifier:
22273758
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 115; Journal Issue: 17; Conference: 55. annual conference on magnetism and magnetic materials, Atlanta, GA (United States), 14-18 Nov 2010; 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; ANISOTROPY; CRYSTAL STRUCTURE; ELECTRIC FIELDS; ELECTRICAL PROPERTIES; ELECTRONS; IRON; MAGNETIC MOMENTS; MAGNETIC PROPERTIES; MAGNETIZATION; PLATINUM; SPIN; SURFACES