In-plane antiferromagnetic moments in axion topological insulator candidate EuIn${}_2$As${}_2$

Abstract

Topological insulator with antiferromagnetic order can serve as an ideal platform for the realization of axion electrodynamics. In this paper, we report a systematic study of the axion topological insulator candidate EuIn${}_2$As${}_2$. A linear energy dispersion across the Fermi level confirms the existence of the proposed hole-type Fermi pocket. Spin-flop transitions occur with magnetic fields applied within the $ab$-plane while are absent for fields parallel to the $c$-axis. Anisotropic magnetic phase diagrams are observed and the orientation of the ground magnetic moment is found to be within the $ab$-plane. The magnetoresistivity for EuIn${}_2$As${}_2$ behaves non-monotonic as a function of field strength. It exhibits angular dependent evolving due to field-driven and temperature-driven magnetic states. These results indicate that the magnetic states of EuIn${}_2$As${}_2$ strongly affect the transport properties as well as the topological nature.

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Cited by in corpus (32)

• Axion Electrodynamics in Topological Materials
• Magnetic crystalline-symmetry-protected axion electrodynamics and field-tunable unpinned Dirac cones in EuIn2As2
• Field-induced Topological Hall effect in antiferromagnetic axion insulator candidate EuIn${}_2$As${}_2$
• Signature of band inversion in the antiferromagnetic phase of axion insulator candidate EuIn2As2
• Higher-order Fabry-Pérot Interferometer from Topological Hinge States
• Enhanced magnetocaloric effect and magnetic phase diagrams of single-crystal GdCrO${}_3$
• Unusual Magnetic Properties in Layered Magnetic Topological Insulator EuSn2As2
• Intrinsic Magnetic Topological Materials
• Spin-carrier coupling induced ferromagnetism and giant resistivity peak in EuCd${}_2$P${}_2$
• Topological Hall Effect Driven by Short-Range Magnetic Orders in EuZn${}_2$As${}_2$
• Theory of inversion-${\mathbb{Z}}_4$ protected topological chiral hinge states and its applications to layered antiferromagnets
• Electronic band reconstruction across the insulator-metal transition in colossal magnetoresistive EuCd2P2
• Pressure-induced Superconductivity in Zintl Topological Insulator SrIn2As2
• Altermagnetism Induced Topological Phase Transitions in Kane-Mele Model
• Hybrid-order topology in unconventional magnets of Eu-based Zintl compounds with surface-dependent quantum geometry
• Infrared study of the interplay of charge, spin, and lattice excitations in the magnetic topological insulator EuIn${}_2$As${}_2$
• Surface state evolution induced by magnetic order in axion insulator candidate EuIn2As2
• Engineering of a Layered Ferromagnet via Graphitization: An Overlooked Polymorph of GdAlSi
• Unusual magnetic and transport properties in the Zintl phase Eu${}_{11}$Zn${}_6$As${}_{12}$
• Incommensurate broken helix induced by nonstoichiometry in the axion insulator candidate EuIn${}_2$As${}_2$
• Thermal and mechanical properties and the structural phase transition under pressure in $A$In${}_2$As${}_2$ ($A$ = Ca, Sr, Ba)
• Exploring Intrinsic Magnetic Topological Insulators: The Case of EuIn${}_2$As${}_2$
• Quantum decoherence by magnetic fluctuations in a magnetic topological insulator
• Doping-tunable Fermi surface with persistent topological Hall effect in axion candidate EuIn${}_2$As${}_2$
• Non-relativistic linear Edelstein effect in helical EuIn2As2
• Interplay of magnetic ordering and charge transport in a distorted ScAl${}_3$C${}_3$-type GdZn${}_3$As${}_3$
• Incommensurate magnetic order in an axion insulator candidate EuIn${}_2$As${}_2$ investigated by NMR measurement
• Spectroscopic signatures of magnetization-induced band renormalization and strong spin-charge-lattice coupling in EuZn${}_2$As${}_2$
• Temperature Dependent Evolution of the Electronic Structure in EuZn2As2 across the Neel Transition
• Magnetically tunable Dirac and Weyl fermions in the Zintl materials family
• Giant-exchange-driven Vectorial Control of a Minimal Topological Magnet in Eu3In2As4
• Design, synthesis, and physical properties of the intergrowth compound Eu${}_2$CuZn${}_2$As${}_3$