Formation of As-As bond and its effect on absence of superconductivity in the collapsed tetragonal phase of Ca0.86Pr0.14Fe2As2: An optical spectroscopy study

Jul 29,2015|By Run Yang, Congcong Le, Lei Zhang, Bing Xu, Wei Zhang, Kashif Nadeem, Hong Xiao, Jiangping Hu, and Xianggang Qiu. Phys. Rev. B 91, 224507 – Published 10 June 2015.