Development of the Soft X-ray AGM–AGS RIXS beamline at the Taiwan Photon Source

Singh, A.; Huang, H.Y.; Chu, Y.Y.; Hua, C.Y.; Lin, S.W.; Fung, H.S.; Shiu, H.W.; Chang, J.; Li, J.H.; Okamoto, J.; Chiu, C.C.; Chang, C.H.; Wu, W.B.; Perng, S.Y.; Chung, S.C.; Kao, K.Y.; Yeh, S.C.; Chao, H.Y.; Chen, J.H.; Huang, D.J.; Chen, C.T.

doi:10.1107/S1600577521002897

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Figure 9
(a) The O K-edge XAS of LSCO at 23 K measured with the fluorescence yield mode with X-rays of σ polarization. (b) RIXS spectrum of LSCO with the incident energy tuned to ZRS with q_∥ = 0.12 $[{{2\pi} \over {a}}]$ and q_⊥ = 1.0 $[{{2\pi} \over {c}}]$ . The duration of exposure to record the RIXS data shown in the black circles was 2 h. The red curve is the summation of the fitted components and a linear background function. Other colour curves are fitted Voigt functions for elastic scattering and phonon excitations. The inset illustrates the scattering geometry with q = k_in − k_out, in which k_in and k_out are incident and scattered wavevectors, respectively. a and c are crystallographic axes of LSCO. The scattering angle 2θ was 150°.

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ISSN: 1600-5775

Volume 28| Part 3| May 2021| Pages 977-986

https://doi.org/10.1107/S1600577521002897

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