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Metallization of vanadium dioxide driven by large phonon entropy

Author

Listed:
  • John D. Budai

    (Oak Ridge National Laboratory)

  • Jiawang Hong

    (Oak Ridge National Laboratory)

  • Michael E. Manley

    (Oak Ridge National Laboratory)

  • Eliot D. Specht

    (Oak Ridge National Laboratory)

  • Chen W. Li

    (Oak Ridge National Laboratory)

  • Jonathan Z. Tischler

    (Advanced Photon Source, Argonne National Laboratory)

  • Douglas L. Abernathy

    (Oak Ridge National Laboratory)

  • Ayman H. Said

    (Advanced Photon Source, Argonne National Laboratory)

  • Bogdan M. Leu

    (Advanced Photon Source, Argonne National Laboratory)

  • Lynn A. Boatner

    (Oak Ridge National Laboratory)

  • Robert J. McQueeney

    (Neutron Sciences Directorate, Oak Ridge National Laboratory)

  • Olivier Delaire

    (Oak Ridge National Laboratory)

Abstract

X-ray and neutron scattering measurements and ab initio molecular dynamics calculations show that the transition from an insulating phase to a metallic phase in vanadium dioxide is driven primarily by the entropic effects of soft anharmonic lattice vibrations, or phonons, which stabilize the metallic phase.

Suggested Citation

  • John D. Budai & Jiawang Hong & Michael E. Manley & Eliot D. Specht & Chen W. Li & Jonathan Z. Tischler & Douglas L. Abernathy & Ayman H. Said & Bogdan M. Leu & Lynn A. Boatner & Robert J. McQueeney & , 2014. "Metallization of vanadium dioxide driven by large phonon entropy," Nature, Nature, vol. 515(7528), pages 535-539, November.
    • Handle: RePEc:nat:nature:v:515:y:2014:i:7528:d:10.1038_nature13865
    DOI: 10.1038/nature13865
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    Cited by:

    1. Nengneng Luo & Li Ma & Gengguang Luo & Chao Xu & Lixiang Rao & Zhengu Chen & Zhenyong Cen & Qin Feng & Xiyong Chen & Fujita Toyohisa & Ye Zhu & Jiawang Hong & Jing-Feng Li & Shujun Zhang, 2023. "Well-defined double hysteresis loop in NaNbO3 antiferroelectrics," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Mahmoud Darwish & Péter Neumann & János Mizsei & László Pohl, 2020. "Electro-Thermal Simulation of Vertical VO 2 Thermal-Electronic Circuit Elements," Energies, MDPI, vol. 13(13), pages 1-15, July.

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