“…Therefore, we obtain that the magnetic moments of Cr 3 þ , Cr 2 þ , Mn 3 þ , Mn 2 þ , Fe 3 þ , Fe 2 þ , Co 3 þ , Co 2 þ , Ni 3 þ and Ni 2 þ are À 3, À 4, À 4, 5, 5, 4, 4, 3, 3 and 2 μ B , respectively, as shown in Table 3. Consequently, we can calculate the average magnetic moments per formula in samples of According to the above mentioned QMPB method [22][23][24][25], and following the methods of Ref. [17][18][19][20][21], the probability ratios R A1 , R A2 , R A4 , R A5 and R A6 for the (A) sites, and R B1 and R B2 for the [B] sites can be derived using the following formulas: Table 3 Cation data used in the fitting process, including the second and third ionization energies, V(M 2 þ ) and V(M 3 þ ), effective radii r of the divalent cations with coordination number 6, ionicities f i , the magnetic moments of divalent and trivalent cations, m 2 and m 3 .…”