Effects of ordered structure on superconductivity in Ti70−xZr30Nbx (15≤ x ≤ 60) Z. W. Wang, Y. Li, C. Ma, Z. Wang, H. X. Yang, H. F. Tian, H. L. Shi, L. Jia, F. Zhang and J. Q. Li EPL, 97 1 (2012) 17013 Published online: 04 January 2012 DOI: 10.1209/0295-5075/97/17013