P-T phase diagram of iron arsenide superconductor NdFeAsO0.88F0.12 Alexander G. Gavriliuk, Viktor V. Struzhkin, Sergey G. Ovchinnikov, Yong Yu, Maxim M. Korshunov, Anna A. Mironovich, Jung-Fu Lin and Changqing Jin EPL, 100 4 (2012) 46005 Published online: 04 December 2012 DOI: 10.1209/0295-5075/100/46005