Ferroelectricity and Superconductivity as Competing Orders in Strontium Titanate

Presentations

• Isotope tuning and the pairing mechanism of superconducting strontium titanate

  ORAL · Invited

  March 7, 2023, 8:00 AM – March 7, 2023, 8:36 AM

  Publication: Isotope tuning of the superconducting dome of strontium titanate; C. W. Rischau, D. Pulmannova, G. W. Scheerer, A. Stucky, E. Giannini & D. van der Marel; Phys. Rev. Research 4, 013019 (2022), DOI: 10.1103/PhysRevResearch.4.013019;
  
  Possible mechanism for superconductivity in doped SrTiO3; D. van der Marel, F. Barantani & C. W. Rischau; Physical Review Research 1, 013003 (2019), DOI:10.1103/PhysRevResearch.1.013003
  
  Isotope effect in superconducting n-doped SrTiO3; A. Stucky, G. Scheerer, Z. Ren, D. Jaccard, J.-M. Poumirol, C. Barreteau, E. Giannini & D. van der Marel; Scientific Reports 6, 37582 (2016), DOI:10.1038/srep37582

  Presenters

  • Dirk Van Der Marel

    • University of Geneva
    • Univ of Geneva

  Authors

  • Dirk Van Der Marel

    • University of Geneva
    • Univ of Geneva

  • Willem Rischau

    • University of Geneva

  • Gernot W Scheerer

    • CERN

  • Enrico Giannini

    • University of Geneva - Department of Quantum Matter Physics
    • University of Geneva

  • Francesco Barantani

    • University of Geneva

  • Dorota Pulmannova

    • University of Geneva

  • Adrien Stucky

    • University of Geneva

  View abstract →

• Mesoscopic fluctuating domains in strontium titanate

  ORAL · Invited

  March 7, 2023, 8:36 AM – March 7, 2023, 9:12 AM

  Publication: B. Fauqué et al., Phys. Rev. B 106, L140301 (2022)
  S. Jiang et al, https://arxiv.org/abs/2201.13316

  Presenters

  • Benoit Fauque

    • CNRS

  Authors

  • Benoit Fauque

    • CNRS

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• Superconductivity enhancement in polar metals Nb:(Sr,Ba)TiO₃ and Nb:(Sr,Ca)TiO₃.

  ORAL · Invited

  March 7, 2023, 9:12 AM – March 7, 2023, 9:48 AM

  Publication: Y. Tomioka, N. Shirakawa, I. H. Inoue, npj Quantum Materials, in press (preprint at http://arxiv.org/abs/2203.16208).

  Presenters

  • Isao Inoue

    • AIST

  Authors

  • Isao Inoue

    • AIST

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• Oxygen vacancies in strontium titanate: a DFT+DMFT perspective

  ORAL · Invited

  March 7, 2023, 9:48 AM – March 7, 2023, 10:24 AM

  Publication: "Oxygen vacancies in strontium titanate: A DFT+DMFT study", Jaime Souto-Casares, Nicola A. Spaldin, and Claude Ederer, Physical Review Research 3, 023027 (2021).

  Presenters

  • Claude Ederer

    • ETH Zurich

  Authors

  • Claude Ederer

    • ETH Zurich

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• Lamellar fluctuations melt ferroelectricity

  ORAL · Invited

  March 7, 2023, 10:24 AM – March 7, 2023, 11:00 AM

  Publication: G. G. Guzmán-Verri, C. H. Liang, P. B. Littlewood, Lamellar fluctuations melt ferroelectricity, arXiv:2205.14171

  Presenters

  • Gian G Guzman-Verri

    • Univ de Costa Rica

  Authors

  • Gian G Guzman-Verri

    • Univ de Costa Rica

  • Charles H Liang

    • University of Chicago

  • Peter Littlewood

    • University of Chicago
    • University of Chicago, Argonne National Laboratory

  View abstract →