Computational Design of Axion Insulators Based on 5d Spinels Compounds

Abstract

Based on density functional calculation with LDA+U method, we propose that hypothetical Osmium compounds such as CaOs2O4 and SrOs2O4 can be stabilized in the geometrically frustrated spinel crystal structure. They also show some exotic electronic and magnetic properties in a reasonable range of on-site Coulomb correlation U such as ferromagnetism and orbital magnetoelectric effect characteristic to Axion electrodynamics. Other electronic phases including 3D Dirac metal and Mott insulator exist and would make perspective 5d spinels ideal for applications.

5 pages, 3 figures

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• Theory of orbital magnetoelectric response
• Competing Exotic Topological Insulator Phases in Transition Metal Oxides on the Pyrochlore Lattice with Distortion
• Topological spin liquid on the hyper-kagome lattice of Na_4Ir_3O_8
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Cited by in corpus (77)

• Colloquium: Topological Band Theory
• Correlated quantum phenomena in the strong spin-orbit regime
• Dirac materials
• Dirac Fermions in Solids - from High Tc cuprates and Graphene to Topological Insulators and Weyl Semimetals
• Higher-order Topology of Axion Insulator EuIn${}_2$As${}_2$
• Large-Gap Two-Dimensional Topological Insulator in Oxygen Functionalized MXene
• Interplay of Spin-Orbit Interactions, Dimensionality, and Octahedral Rotations in Semimetallic SrIrO${}_3$
• Wannier Center Sheets in Topological Insulators
• Tailoring tricolor structure of magnetic topological insulator for robust axion insulator
• Three-dimensional Dirac fermions in quasicrystals as seen via optical conductivity
• Surfaces of Axion Insulators
• Two-dimensional Weyl Half Semimetal and Tunable Quantum Anomalous Hall Effect in Monolayer PtCl${}_3$
• Kitaev-Heisenberg models for iridates on the triangular, hyperkagome, kagome, fcc, and pyrochlore lattices
• Pressure-induced semimetal to superconductor transition in a three-dimensional topological material ZrTe5
• A Proposal to Detect Dark Matter Using Axionic Topological Antiferromagnets
• Two-Dimensional Arsenene Oxide: A Realistic Large-gap Quantum Spin Hall Insulator
• Magnetotransport of single crystalline YSb
• Correlation-driven topological phase transition from in-plane magnetized quantum anomalous Hall to Mott insulating phase in monolayer transition metal trichlorides
• CaTe: a new topological node-line and Dirac semimetal
• Magnetic orders and topological phases from f-d exchange in pyrochlore iridates
• Magnetotransport of single crystalline NbAs
• Magnetic field-induced insulator-semimetal transition in a pyrochlore Nd2Ir2O7
• Intrinsic axion insulating behavior in antiferromagnetic MnBi${}_6$Te${}_{10}$
• Electron-hole compensation effect between topologically trivial electrons and nontrivial holes in NbAs
• Axion Quasiparticles for Axion Dark Matter Detection
• Direct observation of the Dirac nodes lifting in semimetallic perovskite SrIrO3 thin films
• Spin-Orbital Locking, Emergent Pseudo-Spin, and Magnetic order in Honeycomb Lattice Iridates
• Spectral signatures of the surface anomalous Hall effect in magnetic axion insulators
• Large dynamical axion field in topological antiferromagnetic insulator Mn${}_2$Bi${}_2$Te${}_5$
• Dirac and Weyl Semimetal in XYBi (X=Ba, Eu; Y=Cu, Ag and Au)
• Successive Symmetry Breaking in a Jeff = 3/2 Quartet in the Spin-Orbit Coupled Insulator Ba2MgReO6
• Spin-orbital Entangled Molecular $j_{\mathrm{eff}}$ States in Lacunar Spinel Compounds
• Metallic ferroelectricity induced by anisotropic unscreened coulomb interaction in LiOsO3
• On the matter of topological insulators as magnetoelectrics
• The iridium double perovskite Sr2YIrO6 revisited: A combined structural and specific heat study
• Strong magnetic instability in correlated metal Bi2Ir2O7
• Dynamical Axion Field in a Magnetic Topological Insulator Superlattice
• Topological phase transitions in multi-component superconductors
• Routes to realize the axion-insulator phase in MnBi${}_2$Te${}_4$(Bi${}_2$Te${}_3$)${}_n$ family: a perspective
• Electronic structure and magnetic properties of NaOsO${}_3$
• Dynamical axion state with hidden pseudospin Chern numbers in MnBi${}_2$Te${}_4$-based heterostructures
• RKKY interactions and anomalous Hall effect in metallic rare-earth pyrochlores
• An optical investigation of the strong spin-orbital coupled magnetic semimetal YbMnBi${}_2$
• Entanglement Entropy and Spectra of the One-dimensional Kugel-Khomskii Model
• Intrinsic topological phases in Mn${}_2$Bi${}_2$Te${}_5$ tuned by the layer magnetization
• Unusual magnetic phases in the strong interaction limit of two-dimensional topological band insulators in transition metal oxides
• Emergence of Topological Nodal Lines and Type II Weyl Nodes in Strong Spin--Orbit Coupling System InNbX2(X=S,Se)
• Anisotropic topological magnetoelectric effect in axion insulators
• Weyl semimetal phase in solid-solution narrow-gap semiconductors
• Tunable dynamical magnetoelectric effect in antiferromagnetic topological insulator MnBi${}_2$Te${}_4$ films
• Two-dimensional topological superconductivity with antiferromagnetic insulators
• Topological Insulators and Quantum Spin Liquids
• Topological Properties and Functionalities in Oxide Thin Films and Interfaces
• Axion Insulator State with ferromagnetic ordering in CrI3/Bi2Se3/MnBi2Se4 Heterostructure
• Magnetic interactions and possible structural distortion in kagome FeGe from first-principles study and symmetry analysis
• Structural properties and anisotropic electronic transport in SrIrO3 films
• Colossal enhancement of electrical conductivity in Y2Ir2O7 nanoparticles
• "Hard" crystalline lattice in the Weyl semimetal NbAs
• Coexistence of high electrical conductivity and weak ferromagnetism in Cr doped Y${}_2$Ir${}_2$O${}_7$ pyrochlore iridate
• Tuning the electronic structure of Sr2IrO4 thin films by bulk electronic doping using molecular beam epitaxy
• Influence of electronic structure parameters on the electrical transport and magnetic properties of $Y_{2-x}B{i}_{x}I{r}_2{O}_7$ pyrochlore iridates
• First Principles Study of the Giant Magnetic Anisotropy Energy in Bulk Na4IrO4
• Weak ferromagnetic insulator with huge coercivity in monoclinic double perovskite La2CuIrO6
• Suppression of twinning and enhanced electronic anisotropy of SrIrO3 films
• Magnetotransport of SrIrO3 films on (110) DyScO3
• Exploration of trivial and non-trivial electronic phases and of collinear and non-collinear magnetic phases in low-spin d${}^5$ perovskites
• Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
• Dynamical magnetoelectric coupling in axion insulator thin films
• XFe4Ge2 (X = Y, Lu) and Mn3Pt: Filling-enforced magnetic topological metals
• Dissipative Edge Transport in Disordered Axion Insulator Films
• What determines the sign of the spin Hall effects in Cu alloys doped with 5d elements?
• Localization Trajectory and Chern-Simons axion coupling for Bilayer Quantum Anomalous Hall Systems
• Induction of Large Magnetic Anisotropy Energy and Formation of Multiple Dirac States in SrIrO${}_3$ Films: Role of correlation and spin-orbit coupling
• Anomalous pressure dependence of the electronic transport and anisotropy in SrIrO3 films
• First-principles design of the spinel iridate Ir2O4 for high-temperature quantum spin ice
• Pressure-induced superconductivity and topological quantum phase transitions in a quasi-one-dimensional topological insulator: Bi4I4
• Two dimensional electron gas in the $\delta$-doped iridates with strong spin-orbit coupling: La${}_{\delta }$Sr${}_2$IrO${}_4$