%0 Journal Article
%T High-Tc Phase of PrO0.5F0.5BiS2 single crystal induced by uniaxial pressure
%A Masaya Fujioka
%A Masanori Nagao
%A Saleem J. Denholme
%A Masashi Tanaka
%A Hiroyuki Takeya
%A Takahide Yamaguchi
%A Yoshihiko Takano
%J Physics
%D 2014
%I arXiv
%R 10.1063/1.4891197
%X We demonstrated a pressure-induced phase transition from a low-Tc phase (3.5 K) to a high-Tc phase (8.7 K) in single crystalline PrO0.5F0.5BiS2. The high-Tc phase is easily observed even at 0.7 GPa by uniaxial pressure obtained from a geometric effect of a single crystal with an extremely-thin thickness. For this phase transition, superconducting anisotropy and the coherence length along the c axis change from {\gamma} = 20 to 9.3 and from {\xi}c = 0.56 to 0.71 nm respectively. It is suggested that a shrinkage in the c lattice constant by applied uniaxial pressure enhances the three dimensionality in the superconducting state.
%U http://arxiv.org/abs/1406.3888v2