Abstract

An EPR study of Mn 2+ in (NH 4) 2Ni(SeO 4) 2·6H 2O crystals has been reported for the first time at room temperature (≈300 K) and at the X-band. The observations regarding the anisotropic and field dependent linewidths of Mn 2+ in nickel Tutton salts at room temperature are discussed in terms of the spin quenching ideas. Also, the g z -shift in Mn 2+-doped Ni-Tutton salts is attributed to the internal magnetic field at the site of the Mn 2+ ion, caused by the moments induced on Ni 2+ ions.

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