The itinerant state of carriers in pnictide NaCu2P2: Role of distortion in CuP4 tetrahedra J. G. Guo, G. Wang, S. F. Jin, K. X. Zhu, S. C. Wang and X. L. Chen EPL, 92 5 (2010) 57002 Published online: 15 December 2010 DOI: 10.1209/0295-5075/92/57002