Pressure-induced phase separation in the Y123 superconductor M. Calamiotou, A. Gantis, D. Lampakis, E. Siranidi, E. Liarokapis, I. Margiolaki and K. Conder EPL, 85 2 (2009) 26004 Published online: 30 January 2009 DOI: 10.1209/0295-5075/85/26004