Anisotropic magnetotransport in the layered antiferromagnet TaFe1.25Te3

The discovery of fascinating ways to control and manipulate antiferromagnetic materials have garnered considerable attention as an attractive platform to explore novel spintronic phenomena and functionalities. Layered antiferromagnets (AFMs) exhibiting interesting magnetic structures can serve as an attractive starting point to establish novel functionalities down to the two-dimensional limit. In this work, we explore the magnetoresistive properties of the spin-ladder AFM TaFe1.25Te3. Magnetization studies reveal an anisotropic magnetic behavior resulting in the stabilization of a spin-flop configuration for H perpendicular to (10-1) plane (i.e., out-of-plane direction). Angle-dependent longitudinal and transverse magnetoresistances show an unusual anharmonic behavior. A significant anisotropic enhancement of magnetoresistance when H perpendicular to (10-1) plane compared to H parallel to (10-1) directions has been observed. The present results deepen our understanding of the magnetoresistive properties of low-dimensional layered AFMs, and point towards the possibility of utilizing these novel material systems for antiferromagnetic spintronics.

Automated summary

This study explores the magnetoresistive properties of the spin-ladder antiferromagnetic material TaFe1.25Te3, revealing an unusual anharmonic behavior and anisotropic enhancement. These results are important for our understanding of the magnetoresistive properties of low-dimensional layered antiferromagnets and the potential use of these materials for antiferromagnetic spintronics.