Investigation of the crystal structure of Cu-Fe bimetal oxide and their catalytic activity for the Baeyer–Villiger oxidation reaction

•In this study, the Fe-Cu hybrid oxide was easily prepared using a facile chemical method.•This non-noble Metal magnetic material application procedure is in accordance with the principles of industry chemistry and green chemistry.•The Fe-Cu bimetal oxide catalytic activity changed by the crystal structure of the material is proved.•The catalysts exhibit excellent Baeyer–Villiger oxidation reaction activity and high stability.