Temperature dependence of the electronic structure of Sr14Cu24O41 studied by resonant inelastic X-ray scattering

M Yoshida,K Ishii,K Ikeuchi,I Jarrige,Y Murakami,J Mizuki,K Tsutsui,T Tohyama,S Maekawa,K Kudo,Y Koike,Y Endoh

doi:10.1016/j.physc.2009.11.082

Temperature dependence of the electronic structure of Sr14Cu24O41 studied by resonant inelastic X-ray scattering

M Yoshida, K Ishii + Show 10 more

https://doi.org/10.1016/j.physc.2009.11.082

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Journal: Physica C: Superconductivity and its Applications	Publication Date: Nov 13, 2009
Citations: 4

Affiliation: Tohoku University, Japan Atomic Energy Agency, High Energy Accelerator Research Organization, Kyoto University, Institute for Materials Research, Tohoku University, International Institute for Advanced Studies

#Resonant Inelastic X-ray Scattering Spectra #Intraband Excitation #Resonant Inelastic X-ray Scattering #Mott Gap #Continuum Intensity #Resonant X-ray #Low Temperature #Resonant Inelastic X-ray #Two-leg Ladder #Inelastic X-ray

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We report a resonant inelastic X-ray scattering (RIXS) study of charge excitations in the two-leg ladder Sr14Cu24O41. RIXS spectra at 1–5eV are found to be dependent on temperature. An intraband excitation of the ladder, which appears as a continuum intensity below the Mott gap, decreases in intensity with temperature. Because the intraband excitation is related to the dynamics of doped holes in the ladder, its decrease of the intraband excitation is attributed to the reduction of the mobile holes in the ladder at low temperature.

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Temperature dependence of the electronic structure of Sr14Cu24O41 studied by resonant inelastic X-ray scattering