Topological insulators with unexpectedly HgTe-like band inversion in hexagonal wurtzite-type binary compoundsX. M. Zhang, R. S. Ma, X. C. Liu, G. Z. Xu, E. K. Liu, G. D. Liu, Z. Y. Liu, W. H. Wang and G. H. WuEPL, 103 5 (2013) 57012DOI: https://doi.org/10.1209/0295-5075/103/57012