Title :
Is there spin-glass exchange in ultrathin Fe(110) films?
Author :
Skomski, R. ; Sander, D. ; Enders, A. ; Kirschner, J.
Author_Institution :
Max-Planck-Inst. fur Mikrostrukturphys., Halle, Germany
fDate :
9/1/1996 12:00:00 AM
Abstract :
The magnetism of sesquilayer bcc iron films on W(110) is investigated. Coercivity data and theoretical calculations indicate that the freezing of the magnetization at low temperatures reflects exchange-dominated domain-wall pinning rather than superparamagnetic spin-glass behaviour
Keywords :
coercive force; exchange interactions (electron); ferromagnetic materials; iron; magnetic domain walls; magnetic thin films; spin glasses; Fe; W; W(110) substrate; coercivity; exchange-dominated domain-wall pinning; low temperatures; magnetism; magnetization freezing; sesquilayer BCC Fe films; spin-glass exchange; superparamagnetic spin-glass behaviour; ultrathin Fe(110) films; Anisotropic magnetoresistance; Iron; Lattices; Magnetic anisotropy; Magnetic domain walls; Magnetic domains; Magnetic films; Magnetization; Optical films; Perpendicular magnetic anisotropy;
Journal_Title :
Magnetics, IEEE Transactions on
