Magnetic field induced metal-insulator transition in the 3D topological material ZrTe5.

ORAL

Abstract



The material ZrTe5 is a 3D topological insulator that hosts Dirac fermions on the verge of a topological phase transition from a Weak Topological Insulator (WTI) to a Strong Topological Insulator (STI). This transition is driven by external control parameters, such as magnetic fields and strain, and is marked by the presence of exotic topological phenomena, including logarithmic-periodic quantum oscillations, chiral anomaly, anomalous Hall effect, and quasi-quantized Hall effect.

In this work, we map the electronic response of bulk single crystal ZrTe5 as a function of magnetic field, temperature, and strain. Our objective is to reveal a rich phase diagram characterized by a tunable insulator to metal transition and the presence of non-1/B quantum oscillations, which are reminiscent of previously observed logarithmic B-periodic quantum oscillations .

We will discuss our results in the context of how strain, temperature, and magnetic fields can be effectively utilized to adjust low-lying energy scales and electronic bands in topological materials that are close to a topological phase transition.

* This work was performed at the National High Magnetic Field Laboratory, which is supported by National Science Foundation Cooperative Agreement No. DMR-2128556, the State of Florida, and the U.S. Department of Energy. This work was supported through the Laboratory Directed Research and Development program of Los Alamos National Laboratory. C.K.R acknowledge support of FAPESP grant 2022/15955-5. J. Palmstrom and C. Kaufmann acknowledge J. Larrea to make feasible Caue's internship with FAPESP grant 2022/15955-5.

–

Presenters

  • Cauê Kaufmann Ribeiro

    NHMFL, Los Alamos National Laboratory, Los Alamos, NM87545, USA; Laboratory for Quantum Matter under Extreme Conditions, Institute of Physics, University of Sao Paulo

Authors

  • Cauê Kaufmann Ribeiro

    NHMFL, Los Alamos National Laboratory, Los Alamos, NM87545, USA; Laboratory for Quantum Matter under Extreme Conditions, Institute of Physics, University of Sao Paulo

  • Christopher A Mizzi

    National High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos National Laboratory, NHMFL, Los Alamos National Laboratory, Los Alamos, NM87545, USA

  • Joshua C Mutch

    Department of Physics, University of Washington, Seattle, WA 98105

  • Qianni Jiang

    Stanford University, University of Washington, Department of Physics, University of Washington, Seattle, WA 98105

  • Joss P Ayres-Sims

    University of Washington, Department of Physics, University of Washington, Seattle, WA 98105

  • Jiun-Haw Chu

    University of Washington, Department of Physics, University of Washington, Seattle, WA 98105

  • Jian-Xin Zhu

    Los Alamos National Laboratory, Los Alamos Natl Lab, Theoretical Division, Los Alamos National Laboratory, Los Alamos,NM87545, USA, Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

  • Elizabeth A Peterson

    Los Alamos National Laboratory, Theoretical Division, Los Alamos National Laboratory, Los Alamos,NM87545, USA

  • Sean M Thomas

    Los Alamos National Laboratory, Los Alamos National Laboratory, Los Alamos, NM87545, USA

  • Johanna M Palmstrom

    Los Alamos National Laboratory, NHMFL, Los Alamos National Laboratory, Los Alamos, NM87545, USA

  • J. Larrea Jiménez

    Vienna University of Technology (TU Wien), Laboratory for Quantum Matter under Extreme Conditions, Institute of Physics, University of Sao Paulo, University of São Paulo