Title :
Spin and orbital moments of ultra-thin Fe films on various semiconductor surfaces
Author :
Claydon, Jill S. ; Niu, Daxin ; Xu, Yongbing ; Telling, Neil D. ; Kirkman, Ian W. ; Van der Laan, Gerrit
Author_Institution :
Dept. of Electron., York Univ., UK
Abstract :
The magnetic moments of ultrathin Fe films on three different III-V semiconductor substrates, namely GaAs, InAs and In0.2Ga0.8As have been measured with X-ray magnetic circular dichroism at room temperature to assess their relative merits as combinations suitable for next-generation spintronic devices. The results revealed rather similar spin moments and orbital moments for the three systems, suggesting the relationship between film and semiconductor lattice parameters to be less critical to magnetic moments than magnetic anisotropy.
Keywords :
III-V semiconductors; ferromagnetic materials; gallium arsenide; indium compounds; iron; magnetic anisotropy; magnetic circular dichroism; magnetic moments; magnetoelectronics; metallic thin films; Fe; GaAs; III-V semiconductor; InAs; magnetic anisotropy; orbital moments; semiconductor lattice parameters; semiconductor surface; spin moments; spintronic device; ultrathin films; x-ray magnetic circular dichroism; Extraterrestrial measurements; Gallium arsenide; III-V semiconductor materials; Iron; Magnetic anisotropy; Magnetic films; Magnetic moments; Perpendicular magnetic anisotropy; Semiconductor films; Substrates; Fe/InGaAs; interface magnetism; spin electronics; ultrathin films;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2005.855201
