Spin-valve giant magnetoresistance in scandium-benzene sandwich cluster Z. Yang, B. L. Zhang, X. G. Liu, Y. Z. Yang, X. Y. Li, S. J. Xiong and B. S. Xu EPL, 104 5 (2013) 50006 Published online: 23 December 2013 DOI: 10.1209/0295-5075/104/50006