We can magnetize an iron piece (i.e. permanently given enough field strength) by putting it inside a solenoid strong homogeneous field and charging/discharging the solenoid several times.
I am asking if we can similarly magnetize an iron piece by putting it inside a strong homogeneous field between the two parallel plates of an large sized air capacitor? I am asking because it is known that in the air gap of such a capacitor besides the electric field there is also a magnetic field created when rapidly charging/discharging the capacitor due to the displacement current.
Similar magnetic field with the capacitor of concentric rings flux structure is also observed around a current carrying wire when sprinkled with iron filings:
Similar magnetic field geometry should result from the capacitor's displacement current mimicking the current in a wire. Given enough power of charge/discharge of the capacitor, each individual iron filings piece should be magnetized and maybe also permanently after the cycle stops and the capacitor is left fully charged or discharged (i.e. no more displacement current)?
I guess the effect would be much less than in the case using a solenoid but is possible given enough power (probably KV would be needed for charging the parallel plates capacitor or a very large capacitance value $C$ for the capacitor thus large surface plates and very close distance between the plates).
Electric and Magnetic field in a Charging/discharging capacitor
(The image is taken from this link: Magnetic field from displacement currents in a capacitor, and an applied exterior magnetic field)