Prominent role of oxygen in the multiferroicity of DyMnO3 and TbMnO3

A resonant soft x-ray scattering spectroscopy study

S. W. Huang, J. M. Lee, Horng Tay Jeng, Yucheng Shao, L. Andrew Wray, J. M. Chen, R. Qiao, W. L. Yang, Y. Cao, J. Y. Lin, R. W. Schoenlein, Y. D. Chuang

    Research output: Contribution to journalArticle

    Abstract

    Oxygen is known to play an important role in the multiferroicity of rare earth manganites; however, how this role changes with rare earth elements is still not fully understood. To address this question, we have used resonant soft x-ray scattering spectroscopy to study the F-type (0,τ,0) diffraction peak from the antiferromagnetic order in DyMnO3 and TbMnO3. We focus on the measurements at O K edge of these two manganites, supplemented by the results at Mn L2 and Dy M5 edge of DyMnO3. We show that the electronic states of different elements are coupled more strongly in DyMnO3 than in TbMnO3, presumably due to the stronger lattice distortion and the tendency to develop E-type antiferromagnetism in the ferroelectric state that promote the orbital hybridization. We also show that the anomaly in the correlation length of (0,τ,0) peak in DyMnO3 signifies the exchange interaction between Mn and rare earth spins. Our findings reveal the prominent role of oxygen orbitals in the multiferroicity of rare earth manganites and the distinct energetics between them.

    Original languageEnglish (US)
    Article number035145
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume94
    Issue number3
    DOIs
    StatePublished - Jul 21 2016

    Fingerprint

    Manganites
    x ray scattering
    Rare earths
    rare earth elements
    Spectroscopy
    Scattering
    Oxygen
    X rays
    oxygen
    spectroscopy
    Antiferromagnetism
    Exchange interactions
    Electronic states
    Rare earth elements
    orbitals
    Ferroelectric materials
    antiferromagnetism
    Diffraction
    tendencies
    anomalies

    ASJC Scopus subject areas

    • Condensed Matter Physics
    • Electronic, Optical and Magnetic Materials

    Cite this

    Prominent role of oxygen in the multiferroicity of DyMnO3 and TbMnO3 : A resonant soft x-ray scattering spectroscopy study. / Huang, S. W.; Lee, J. M.; Jeng, Horng Tay; Shao, Yucheng; Wray, L. Andrew; Chen, J. M.; Qiao, R.; Yang, W. L.; Cao, Y.; Lin, J. Y.; Schoenlein, R. W.; Chuang, Y. D.

    In: Physical Review B - Condensed Matter and Materials Physics, Vol. 94, No. 3, 035145, 21.07.2016.

    Research output: Contribution to journalArticle

    Huang, SW, Lee, JM, Jeng, HT, Shao, Y, Wray, LA, Chen, JM, Qiao, R, Yang, WL, Cao, Y, Lin, JY, Schoenlein, RW & Chuang, YD 2016, 'Prominent role of oxygen in the multiferroicity of DyMnO3 and TbMnO3: A resonant soft x-ray scattering spectroscopy study', Physical Review B - Condensed Matter and Materials Physics, vol. 94, no. 3, 035145. https://doi.org/10.1103/PhysRevB.94.035145
    Huang, S. W. ; Lee, J. M. ; Jeng, Horng Tay ; Shao, Yucheng ; Wray, L. Andrew ; Chen, J. M. ; Qiao, R. ; Yang, W. L. ; Cao, Y. ; Lin, J. Y. ; Schoenlein, R. W. ; Chuang, Y. D. / Prominent role of oxygen in the multiferroicity of DyMnO3 and TbMnO3 : A resonant soft x-ray scattering spectroscopy study. In: Physical Review B - Condensed Matter and Materials Physics. 2016 ; Vol. 94, No. 3.
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    abstract = "Oxygen is known to play an important role in the multiferroicity of rare earth manganites; however, how this role changes with rare earth elements is still not fully understood. To address this question, we have used resonant soft x-ray scattering spectroscopy to study the F-type (0,τ,0) diffraction peak from the antiferromagnetic order in DyMnO3 and TbMnO3. We focus on the measurements at O K edge of these two manganites, supplemented by the results at Mn L2 and Dy M5 edge of DyMnO3. We show that the electronic states of different elements are coupled more strongly in DyMnO3 than in TbMnO3, presumably due to the stronger lattice distortion and the tendency to develop E-type antiferromagnetism in the ferroelectric state that promote the orbital hybridization. We also show that the anomaly in the correlation length of (0,τ,0) peak in DyMnO3 signifies the exchange interaction between Mn and rare earth spins. Our findings reveal the prominent role of oxygen orbitals in the multiferroicity of rare earth manganites and the distinct energetics between them.",
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