A possible model to high TC ferromagnetism in Gallium Manganese Nitrides   based on resonation properties of impurities in semiconductors
  The high TC ferromagnetism in (Ga,Mn)N were observed and almost all results are approximately similar to the experimental results in (Ga,Mn)As except the value of TC. Though all standard experiments on magnetism clearly support the results, the value is unexpectedly high. This work present and discuss the possibility of high TC ferromagnetism, after brief review of the experimental results. The key speculation to Bosonization method in three dimensions is resembled with the problems in Anderson localization. 
H. Hori, Y. Yamamoto and S. Sonoda