  The periodic deviations of ferromagnetic and antiferromagnetic spins from
corresponding uniform configurations are shown to be energetically favorable
close to a compensated interface of ferromagnetic antiferromagnetic bilayer.
The amplitude of the deviations decreases exponentially into the film volumes
as a function of a coordinate perpendicular to the interface. The interaction
energy is found to be proportional to a square of a scalar product of unit
ferromagnetic and antiferromagnetic vectors.
