Superconducting Electron Gas in KTaO3

Presentations

• Tunable superconductivity and its origin at KTO interfaces

  ORAL · Invited

  March 5, 2024, 11:30 AM – March 5, 2024, 12:06 PM

  Presenters

  • ANAND BHATTACHARYA

    • Materials Science Division, Argonne National Laboratory
    • Argonne National Laboratory

  Authors

  • ANAND BHATTACHARYA

    • Materials Science Division, Argonne National Laboratory
    • Argonne National Laboratory

  View abstract →

• Nature of the electron-phonon coupling in KTaO3

  ORAL · Invited

  March 5, 2024, 12:06 PM – March 5, 2024, 12:42 PM

  Publication: 1. M. N. Gastiasoro et al, Phys. Rev. B 105, 224503 (2022).
  2. M. N. Gastiasoro et al, Phys. Rev. Research 5, 023177 (2023).
  3. G. Venditti et al, J. Phys. Mater. 6, 014007 (2023).

  Presenters

  • Maria N Navarro Gastiasoro

    • Donostia International Physics Center
    • Donostia International Physics Center (DIPC)

  Authors

  • Maria N Navarro Gastiasoro

    • Donostia International Physics Center
    • Donostia International Physics Center (DIPC)

  • Giulia Venditti

    • Department of Condensed Matter Physics, University of Geneva

  • Maria Eleonora Temperini

    • Department of Physics, Sapienza University

  • Paolo Barone

    • Consiglio Nazionale delle Ricerche CNR-SPIN
    • CNR-SPIN
    • SPIN-CNR

  • Jose Lorenzana

    • ISC-CNR and Department of Physics, Sapienza University of Rome

  • Francesco Macheda

    • Istituto italiano di tecnologia
    • Sapienza University of Rome; Istituto italiano di tecnologia

  View abstract →

• Superfluid stiffness and superconducting gap of KTaO₃-based 2D gas.

  ORAL · Invited

  March 5, 2024, 12:42 PM – March 5, 2024, 1:18 PM

  Publication: S. Mallik et al. Nature Commun. 13, 4625 (2022).

  Presenters

  • Nicolas Bergeal

    • Laboratoire de Physique et d'Etude des Matériaux, ESPCI Paris, Université PSL, CNRS, Sorbonne Université, Paris
    • ESPCI Paris
    • Laboratoire de Physique et d'Etude des Matériaux, ESPCI Paris, PSL University, CNRS, Sorbonne Université, Paris, France

  Authors

  • Nicolas Bergeal

    • Laboratoire de Physique et d'Etude des Matériaux, ESPCI Paris, Université PSL, CNRS, Sorbonne Université, Paris
    • ESPCI Paris
    • Laboratoire de Physique et d'Etude des Matériaux, ESPCI Paris, PSL University, CNRS, Sorbonne Université, Paris, France

  • Srijani Mallik

    • Universite Paris-Saclay
    • Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau

  • Gerbold C Ménard

    • ESPCI Paris

  • Guilhem Saiz

    • Laboratoire de Physique et d'Etude des Matériaux, ESPCI Paris, Université PSL, CNRS, Sorbonne Université, Paris
    • ESPCI Paris, Universite PSL, CNRS, Sorbonne Universite, Paris, France
    • ESPCI Paris

  • Hugo Witt

    • Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau
    • Unité Mixte de Physique CNRS-Thales

  • Jerome Lesueur

    • ESPCI Paris

  • Alexandre Gloter

    • Laboraotire de Physique des Solides
    • Université Paris Saclay

  • Lara Benfatto

    • Sapienza University of Rome

  • Manuel Bibes

    • CNRS/THALES
    • Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, Palaiseau

  View abstract →

• Role of optical phonons for normal and superconducting state properties of KTO

  ORAL · Invited

  March 5, 2024, 1:18 PM – March 5, 2024, 1:54 PM

  Publication: Chen, X.; Yu, T.; Liu, Y.; Sun, Y.; Lei, M.; Guo, N.; Fan, Y.; Sun, X.; Zhang, M.; Alarab, F.; Strokov, V. N.; Wang, Y.; Zhou, T.; Liu, X.; Lu, F.; Liu, W.; Xie, Y.; Peng, R.; Xu, H.; Feng, D. Orientation-Dependent Electron-Phonon Coupling in Interfacial Superconductors LaAlO3/KTaO3. arXiv January 31, 2023. https://doi.org/10.48550/arXiv.2301.13488.

  Presenters

  • Haichao Xu

    • Fudan Univ

  Authors

  • Haichao Xu

    • Fudan Univ

  View abstract →

• Strong violation of the Pauli limit for the upper critical field of the KTaO₃(111) interfaces

  ORAL · Invited

  March 5, 2024, 1:54 PM – March 5, 2024, 2:30 PM

  Publication: A.H. Al-Tawhid, S.J. Poage, S. Salmani-Rezaie, A. Gonzalez, S. Chikara, D.A. Muller, D.P. Kumah, M.N. Gastiasoro, J. Lorenzana, K. Ahadi, Nano Letters, 23, 15, 6944–6950 (2023).
  E.G. Arnault, A.H. Al-Tawhid, S. Salmani-Rezaie, D.A. Muller, D.P. Kumah, M.S. Bahramy, G. Finkelstein, K. Ahadi, Science Adv., 9, eadf141 (2023).

  Presenters

  • Kaveh Ahadi

    • Ohio State University
    • The Ohio State University

  Authors

  • Kaveh Ahadi

    • Ohio State University
    • The Ohio State University

  View abstract →