Nonlinear Faraday effect in the weak ferromagnet FeBO3 in ultrastrong magnetic fields up to 800 T
Druzhinin V. V., Pavlovskii A. I., Pisarev R. V., Tatsenko O. M., Platonov V. V.
A study of the Faraday effect in magnetic fields up to 800 Τ reveals no saturation of the effect as the field is increased. It is suggested that this result may be due to a strengthening of exchange interactions in a magnetic field or an effect of the field on electronic transitions in Fe3 + ions.