@article{20.500.12614/2379, year = {2014}, url = {http://hdl.handle.net/20.500.12614/2379}, title = {Evidence of oxygen ferromagnetism in ZnO based materials}, doi = {10.1002/adfm.201303087}, volume = {24}, journal = {Advanced Functional Materials}, author = {Guglieri C. and Céspedes E. and Espinosa, Ana and Laguna-Marco M.A. and Carmona N. and Takeda Y. and Okane T. and Nakamura T. and García-Hernández M. and García M.A. and Chaboy J.}, }