Low temperature Pmmm and C2/m phases in Sr2CuO3+δ high temperature superconductor

Low temperature Pmmm and C2/m phases in Sr₂CuO_3+δ high temperature superconductor

Wang Hai-Bo¹, Luo Zhen-Lin^{2, ‡}, Yang Yuan-Jun², Liu Qing-Qing³, Hu Si-Xia², Yang Meng-Meng², Jin Chang-Qing³, Gao Chen^{2, 4, †}

X-ray absorption fine structure spectroscopy result of Sr₂CuO_3+δ as a function of temperature. The temperature dependence of Cu K-edge (a) EXAFS oscillations in moment space (weighted by k³) and (b) FT magnitude function in real space for Sr₂CuO_3+δ.