Structural and magnetic characterization of Co-Cu nanoparticles prepared by arc-discharge Cai-yin You, Z. Q. Yang, Q. F. Xiao, I. Škorvánek, J. Kováč, Z. J. Li, W. Liu and Z. D. Zhang Eur. Phys. J. Appl. Phys., 28 1 (2004) 73-77 Published online: 25 August 2004 DOI: 10.1051/epjap:2004173