Magnetic and electronic properties of a topological nodal line semimetal candidate: HoSbTe

Abstract

We report the experimental and theoretical studies of a magnetic topological nodal line semimetal candidate HoSbTe. Single crystals of HoSbTe are grown from Sb flux, crystallizing in a tetragonal layered structure (space group: P4/nmm, no.129), in which the Ho-Te bilayer is separated by the square-net Sb layer. The magnetization and specific heat present distinct anomalies at 4 K related to an antiferromagnetic (AFM) phase transition. Meanwhile, with applying magnetic field perpendicular and parallel to the crystallographic c axis, an obvious magnetic anisotropy is observed. Electrical resistivity undergoes a bad-metal-like state below 200 K and reveals a plateau at about 8 K followed by a drop due to the AFM transition. In addition, with the first-principle calculations of band structure, we find that HoSbTe is a topological nodal line semimetal or a weak topological insulator with or without taking the spin-orbit coupling into account, providing a platform to investigate the interplay between magnetic and topological fermionic properties.

arXiv comment7 pages, 6 figures, 2tables

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• Observation of gapless nodal-line states in NdSbTe
• Evolution of Magnetism in Magnetic Topological Semimetal NdSb${}_x$Te${}_{2-x+\delta }$
• Evolution of Electronic and Magnetic Properties in Topological Semimetal SmSbxTe2-x
• Electronic structure in a rare-earth based nodal-line semimetal candidate PrSbTe
• Revealing a charge-density-wave gap in the predicted weak topological insulator HoSbTe
• Evidence for electronic signature of magnetic transition in topological magnet HoSbTe
• Large Negative Magnetoresistance in off-Stochiometric Topological Material PrSbTe
• Low-lying Electronic Structure of Rare-Earth Based Topological Nodal Line Semimetal Candidate DySbTe
• Spectroscopic Evidence on Realization of a Genuine Topological Nodal Line Semimetal in LaSbTe
• A topological Hund nodal line antiferromagnet
• Electronic interactions in a vacancy-engineered honeycomb lattice: Transition from a nodal-line semimetal to a magnetic insulator
• Electronic band structure of a nodal line semimetal candidate ErSbTe
• Evolution of Magnetoresistance in the magnetic topological semimetals NdSbxTe2-x
• Chalcogen Doping Effect on the Insulator-to-Metal Transition in GdPS