Torque Magnetometry Studies of Topological Nodal-Line Semimetal ZrSiS




Dye, Cody J.
Shrestha, Keshav

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Topological materials have attracted enormous attention in recent days because of their potential applications in optoelectronics, quantum computing, and green energy harvesting, etc. Recent theoretical and experimental studies have proved that ZrSiS is a nodal-line semimetal with the Dirac band crossings along a line. In this talk, I will present our recent torque magnetometry studies to investigate the Fermi surface topology of ZrSiS under the applied fields up to 14 T. The magnetic torque shows clear oscillations at higher fields with several distinct frequencies. The number of frequency peaks changes depending on the tilt angle between the applied field and the sample surface. The obtained results are compared with other published data, and possible origins of these frequencies will be discussed.




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