(Color online) (a) Representative measurement of the complex susceptibility of the as-deposited sample at applied field showing the uniform precession mode. (b) Imaginary part of the susceptibility of the as-deposited sample for 20 and applied fields, for frequencies near the perpendicular standing spin wave resonances.
(Color online) Squared resonance frequency vs applied field for the and layers, as deposited and annealed at ; at lower frequencies (scale on left hand side) the uniform FMR mode, at higher frequencies (scale on right hand side) perpendicular standing spin wave (PSSW) mode.
(Color online) Apparent damping parameter vs applied field. Open symbols (엯) represent as-deposited layers, filled symbols (●) represent layers annealed at . (a) (◇) and (엯) layers; to note: the particularly low of as-deposited (엯) and the increase by a factor of 5 (●) after annealing (leading to crystallization). (b) 5 (◻), 10 (⋆), 25 (▵), and (엯) , as deposited and annealed.
Overview of apparent damping parameter and effective magnetization for as-deposited and annealed layers of different thicknesses and of .
Calculated exchange stiffness constant and literature value for Co (Ref. 19).
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