Measurement of the spectral line shapes for orbital excitations in the Mott insulator CoO using high-resolution resonant inelastic x-ray scattering

L. Andrew Wray, J. Li, Z. Q. Qiu, Jinsheng Wen, Zhijun Xu, Genda Gu, Shih Wen Huang, Elke Arenholz, Wanli Yang, Zahid Hussain, Yi De Chuang

    Research output: Contribution to journalArticle

    Abstract

    We establish the spectral line shape of orbital excitations created by resonant inelastic x-ray scattering for the model Mott insulator CoO. Improved experimental energy resolution reveals that the line shapes are strikingly different from expectations in a first-principles-based atomic multiplet model. Extended theoretical simulations are performed to identify the underlying physical origins, which include a pronounced thermal tail reminiscent of anti-Stokes scattering on the energy gain side of excitations, and an essential contribution from interatomic many-body dynamics on the energy loss side of excitations.

    Original languageEnglish (US)
    Article number035105
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume88
    Issue number3
    DOIs
    StatePublished - Jul 8 2013

    Fingerprint

    x ray scattering
    line spectra
    line shape
    inelastic scattering
    insulators
    Scattering
    X rays
    orbitals
    high resolution
    excitation
    Energy dissipation
    energy dissipation
    fine structure
    energy
    scattering
    simulation
    Hot Temperature

    ASJC Scopus subject areas

    • Condensed Matter Physics
    • Electronic, Optical and Magnetic Materials

    Cite this

    Measurement of the spectral line shapes for orbital excitations in the Mott insulator CoO using high-resolution resonant inelastic x-ray scattering. / Wray, L. Andrew; Li, J.; Qiu, Z. Q.; Wen, Jinsheng; Xu, Zhijun; Gu, Genda; Huang, Shih Wen; Arenholz, Elke; Yang, Wanli; Hussain, Zahid; Chuang, Yi De.

    In: Physical Review B - Condensed Matter and Materials Physics, Vol. 88, No. 3, 035105, 08.07.2013.

    Research output: Contribution to journalArticle

    Wray, L. Andrew ; Li, J. ; Qiu, Z. Q. ; Wen, Jinsheng ; Xu, Zhijun ; Gu, Genda ; Huang, Shih Wen ; Arenholz, Elke ; Yang, Wanli ; Hussain, Zahid ; Chuang, Yi De. / Measurement of the spectral line shapes for orbital excitations in the Mott insulator CoO using high-resolution resonant inelastic x-ray scattering. In: Physical Review B - Condensed Matter and Materials Physics. 2013 ; Vol. 88, No. 3.
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    AU - Wen, Jinsheng

    AU - Xu, Zhijun

    AU - Gu, Genda

    AU - Huang, Shih Wen

    AU - Arenholz, Elke

    AU - Yang, Wanli

    AU - Hussain, Zahid

    AU - Chuang, Yi De

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