Negative dependence of surface magnetocrystalline anisotropy energy on film thickness in Co33Fe67 alloy
Wang De-Lai, Cui Ming-Qi†, , Yang Dong-Liang, Dong Jun-Cai, Xu Wei
       

Comparisons among the plots of normalization values of Fe MAE (black diamond dot), Co MAE (red circle dot), and the first term of K (blue triangle dot) versus thickness. Lines are guides for eyes.