High-pressure study on LaFeAs(OFx) and LaFeAsO with different Tc Wei Yi, Chao Zhang, Liling Sun, Zhi-an Ren, Wei Lu, Xiaoli Dong, Zhengcai Li, Guangcan Che, Jie Yang, Xiaoli Shen et al. (4 more) EPL, 84 6 (2008) 67009 Published online: 12 January 2009 DOI: 10.1209/0295-5075/84/67009