Publisher's Note: X-ray investigation, high-resolution electron holography, and density functional calculations of single-crystalline [Phys. Rev. B 74, 134116 (2006)]
A. Rother, M. Reibold, H. Lichte, T. Leisegang, A. A. Levin, P. Paufler, D. C. Meyer, S. Gemming, I. Chaplygin, G. Seifert, A. Ormeci, and H. Rosner
Phys. Rev. B 74, 179903 – Published 30 November 2006