Higher-order Oscillatory Planar Hall Effect in Topological Kagome Metal

Abstract

Exploration of exotic transport behavior for quantum materials is of great interest and importance for revealing exotic orders to bring new physics. In this Letter, we report the observation of exotic prominent planar Hall effect (PHE) and planar anisotropic magnetoresistivity (PAMR) in strange kagome metal KV${}_3$Sb${}_5$. The PHE and PAMR, which are driven by an in-plane magnetic field and display sharp difference from other Hall effects driven by an out-of-plane magnetic field or magnetization, exhibit exotic higher-order oscillations in sharp contrast to those following empirical rule only allowing twofold symmetrical oscillations. These higher-order oscillations exhibit strong field and temperature dependence and vanish around charge density wave (CDW) transition. The unique transport properties suggest a significant interplay of the lattice, magnetic and electronic structure in KV${}_3$Sb${}_5$. This interplay can couple the hidden anisotropy and transport electrons leading to the novel PHE and PAMR in contrast to other materials.

References in corpus (22)

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Cited by in corpus (7)

• Planar Hall effect in topological Weyl and nodal line semimetals
• Planar Hall Plateau in Magnetic Weyl Semimetals
• The de Haas-van Alphen quantum oscillations in the kagome metal RbTi3Bi5
• Investigation on high-order planar Hall effect in trigonal PtBi${}_2$
• Topological Superconducting States and Quasiparticle Transport on Kagome Lattice
• Abnormal planar Hall effect and disentanglement of incoherent and coherent transport in a Kondo lattice
• Planar Hall effect from superconducting fluctuations