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  • Shin, DongbinMax Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)

Simulating Terahertz Field-Induced Ferroelectricity in Quantum Paraelectric SrTiO3

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:ae46626f-8f16-438e-9667-5b948e93e114
  • https://research.chalmers.se/publication/532794URI
  • https://doi.org/10.1103/PhysRevLett.129.167401DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Recent experiments have demonstrated that light can induce a transition from the quantum paraelectric to the ferroelectric phase of SrTiO3. Here, we investigate this terahertz field-induced ferroelectric phase transition by solving the time-dependent lattice Schrödinger equation based on first-principles calculations. We find that ferroelectricity originates from a light-induced mixing between ground and first excited lattice states in the quantum paraelectric phase. In agreement with the experimental findings, our study shows that the nonoscillatory second harmonic generation signal can be evidence of ferroelectricity in SrTiO3. We reveal the microscopic details of this exotic phase transition and highlight that this phenomenon is a unique behavior of the quantum paraelectric phase.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Latini, SimoneMax Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Schäfer, Christian,1989Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)schaferc (author)
  • Sato, Shunsuke A.University of Tsukuba,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Baldini, EdoardoThe University of Texas at Austin, USA (author)
  • De Giovannini, UmbertoUniversita degli Studi di Palermo,University of Palermo,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Hübener, HannesMax Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Rubio, AngelUniversidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU),Flatiron Institute,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG)Chalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Physical Review Letters129:161079-71140031-9007

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