ACKNOWLEDGMENTS This work was supported by the Chongqing Natural Science Foundation (No.CSTC2007BB4391 and No.CSTC2008BB4083) and the Chongqing Science and Technology Foundation (No.kj060515 and No.kj080518)
The geometrical structures of wurtzite CrX (X=As, Sb, O, Se, and Te) were optimized, then their electric and magnetic properties were investigated by the first-principle calculations within the generalized gradient ...