Influence of oxygen partial pressure on the ferromagnetic properties of polycrystalline Cr-doped ZnO filmsX. Zhang, W. H. Wang, L. Y. Li, Y. H. Cheng, X. G. Luo, Hui Liu, Z. Q. Li, R. K. Zheng and S. P. RingerEPL, 84 2 (2008) 27005DOI: https://doi.org/10.1209/0295-5075/84/27005
