Resonant Inelastic X-Ray Scattering (RIXS) in SrCuO$_{2}$

Atsushi Higashiya; Akihiko Shigemoto; Shuuichi Kasai; Shin Imada; Shigemasa Suga; Michael Sing; Changyoung Kim; Makina Yabashi; Kenji Tamasaku; Tetsuya Ishikawa

arXiv · cond-mat/0310328

Resonant Inelastic X-Ray Scattering (RIXS) in SrCuO$_{2}$

Atsushi Higashiya·Akihiko Shigemoto·Shuuichi Kasai·Shin Imada·Shigemasa Suga·Michael Sing·Changyoung Kim·Makina Yabashi·Kenji Tamasaku·Tetsuya Ishikawa

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Abstract

The resonant inelastic x-ray scattering (RIXS) was measured in an insulating SrCuO$_{2}$ with changing the incident photon energy ($hν$) near the Cu $1s$ absorption edge (K-edge). Complex structures and their dependences on the momentum transfer($Δk$) and $hν$ were observed. The $hν$ dependence of the RIXS spectra measured for a constant $Δk$=2.4$π$ has shown a remarkable enhancement near the absorption maximum and a shift of the spectral weight toward larger loss-energy with increasing $hν$. Also, the energy of the inelastic loss peak in the RIXS spectra for the fixed excitation at 8.993 keV, 10 eV below the absorption maximum, has shown a clear dependence on $Δk$. These results are in a qualitative agreement with a theoretical prediction. Full utilization of the potential of the high brilliance X ray light source at BL19LXU of SPring-8 with 27 m long insertion device will open up a breakthrough in RIXS for heavy transition metal compounds in accordance with the improvement in focussing and analyzing elements.

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Atsushi Higashiya, Akihiko Shigemoto, Shuuichi Kasai, Shin Imada, Shigemasa Suga, Michael Sing, Changyoung Kim, Makina Yabashi, Kenji Tamasaku, Tetsuya Ishikawa. 2003-10-15. Resonant Inelastic X-Ray Scattering (RIXS) in SrCuO$_{2}$. https://arxiv.org/abs/cond-mat/0310328

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