Quantum critical point in SmO1−xFxFeAs and oxygen vacancy induced by high fluorine dopant

Cheng, J.; Chu, S.; Chu, W.; Xu, W.; Zhou, J.; Zhang, L.; Zhao, H.; Liu, R.; Chen, X.; Marcelli, A.; Wu, Z.

doi:10.1107/S0909049511026483

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Figure 1
(a) Normalized Sm L₃-edge XANES spectra of SmO_1–xF_xFeAs (x = 0, 0.05, 0.12, 0.15, 0.18) samples. (b) Plot of the WL intensity versus F-doping. (c) Plot of the WL linewidth versus F-doping. The dotted line indicates the F-concentration of the QCP (x = 0.14) in SmO_1–xF_xFeAs. The error bars represent the finite experimental errors in the estimation of the WL intensity and linewidth.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 18| Part 5| September 2011| Pages 723-727

https://doi.org/10.1107/S0909049511026483

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