Fermiology of topological semimetal candidate CaSn<sub>3</sub>

ORAL

Abstract

Topological semimetal candidate CaSn3 shows superconductivity at low temperatures, providing a promising platform for understanding the interplay between topological physics and superconductivity [1,2]. To clarify the intercorrelation between topology and superconductivity, not only the investigation of superconducting gap structure, but also a detailed study of the Fermiology in the normal state is essential. Here, we present de Haas van Alphen quantum oscillations study for topological semimetal candidate CaSn3 single crystal via torque magnetometry in high magnetic fields up to 35T. Comparing the density functional theory calculations with our experimental observations in the quantum oscillations, we will discuss the detailed Fermi surfaces, spin-splitting due to the Zeeman effect, and the non-trivial topological aspects of CaSn3.

[1] S. Gupta, R. Juneja, R. Shinde, and A. K. Singh, Journal of Applied Physics 121, 214901 (2017).
[2] X. Luo, D. F. Shao, Q. L. Pei, J. Y. Song, L. Hu, Y. Y. Han, X. B. Zhu, W. H. Song, W. J. Lu, and Y. P. Sun, J. Mater. Chem. C 3, 11432 (2015).

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Presenters

  • K A M Hasan Siddiquee

    • University of Central Florida

Authors

  • K A M Hasan Siddiquee

    • University of Central Florida

  • RIFFAT MUNIR

    • University of Central Florida

  • Charuni Dissanayake

    • University of Central Florida

  • Xinzhe Hu

    • Department of Physics, University of Florida
    • Physics, University of Florida
    • University of Florida

  • Swapnil Yadav

    • University of Florida
    • Department of Physics, University of Florida

  • Yasumasa Takano

    • Department of Physics, University of Florida
    • University of Florida
    • Physics, University of Florida

  • Eun Sang Choi

    • National High Magnetic Field Laboratory, Florida State University
    • National High Magnetic Field Laboratory
    • National High Magnetic Field Laboratory and Department of Physics, Florida State University
    • National High Magnetic Field Lab
    • Physics, Florida State University
    • National High Field Magnet Laboratory
    • Florida Sate University

  • Talat Rahman

    • Physics, University of Central Florida
    • University of Central Florida
    • Department of Physics, University of Central Florida

  • Duy Le

    • Physics, University of Central Florida
    • University of Central Florida
    • Department of Physics, University of Central Florida
    • physics, University of Central Florida

  • Yasuyuki Nakajima

    • University of Central Florida