Pressure-induced superconductivity and structural transitions in Ba(Fe0.9Ru0.1)2As2 Walter O. Uhoya, Georgiy M. Tsoi, Yogesh K. Vohra, Athena S. Sefat and Samuel T. Weir Eur. Phys. J. B, 87 3 (2014) 68 Published online: 19 March 2014 DOI: 10.1140/epjb/e2014-40265-8