Spin hall effects in pyrochlore iridates

Author: pqdy

August undefined, 2024

WebJul 30, 2024 · The observation of another type of QHE, the quantized thermal Hall effect, in both the ν = 5/2 fractional quantum Hall state and the spin-orbit entangled Mott insulator …

Half-integer quantized anomalous thermal Hall effect in …

WebJun 2, 2024 · The spin Hall effect (SHE) refers to the creation of a spin current transverse to a charge current in a nanometric metallic material [ 1, 2, 3, 4, 5 ]. It emerges in materials with high spin-orbit coupling (SOC), which endows electrons with a spin-dependent component of velocity perpendicular to the charge current. WebMay 12, 2011 · There have been lots of interest in pyrochlore Iridates A2Ir2O7 where both strong spin-orbital coupling and strong correlation are present. A recent LDA calculation … right shades beauty

Rational design principles for giant spin Hall effect in

WebNov 13, 2014 · The orthorhombic perovskite SrIrO 3 is a semimetal, an intriguing exception in iridates where the strong spin-orbit interaction coupled with electron correlations tends to impose an insulating state. Here, we report results of our investigation of bulk single-crystal Sr 0.94 Ir 0.78 O 2.68 or Ir-deficient, orthorhombic perovskite SrIrO 3.It retains the same … WebSep 8, 2015 · Murakami, S. Quantum spin Hall effect and enhanced magnetic response by spin-orbit coupling. Phys. Rev. Lett. 2006, ... S. Y. Topological semimetal and Fermi-arc surface states in the electronic structure of pyrochlore iridates. Phys. Rev. B 2011, 83, 205101. Article Google Scholar WebFeb 5, 2024 · Apart from geometrical frustration, pyrochlore iridates are well known for their active spin-orbit-coupling effect. The substitution of Pr3+ (4f2) for the nonmagnetic Y3+ (4d0) acts as a magnetic doping, which provides an ideal platform to study f−d exchange interaction without altering the Ir sublattice. right setting for air conditioner

Intrinsic magnon Nernst effect in pyrochlore iridate thin films

(PDF) Magnetization and Hall effect studies on the pyrochlore iridate …

WebThe competition and cooperation between spin-orbit coupling (SOC) and electron correlations induces novel phenomena in 4d and 5d transition metal oxides such as spin-orbit-assisted Mott insulators, topological phases, and spin liquids [1]. The pyrochlore iridates A2Ir2O7 (A ¼ Pr, Nd, Y, etc.) are an ideal system to study these phenomena WebNov 9, 2024 · As a result of the Dzyaloshinskii-Moriya interaction, the spin configuration of the ground state is an all-in/all-out ordering on neighboring tetrahedra of the pyrochlore lattice. In such a state, the system has an inversion symmetry and a Nernst-type thermal spin current response is well defined. right set of tools for devopsWebJul 20, 2024 · As a result of the Dzyaloshinskii-Moriya interaction (DMI), the spin configuration of the ground state is an all-in/all-out ordering on neighboring tetrahedra of … right setup

"WebNov 19, 2024 · The x-ray absorption spectra (XAS) and x-ray magnetic circular dichroism (XMCD) at the Ir L2,3, Pr L2,3, Pr M 4,5, and O K edges in the pyrochlore iridate Pr2Ir2O7 … " - Spin hall effects in pyrochlore iridates

Spin hall effects in pyrochlore iridates

Strain-induced spontaneous Hall effect in an epitaxial thin film of a …

WebJul 20, 2024 · As a result of the Dzyaloshinskii-Moriya interaction (DMI), the spin configuration of the ground state is an all-in/all-out ordering on neighboring tetrahedra of the pyrochlore lattice. In such a state, the system has an inversion symmetry and a Nernst-type thermal spin current response is well defined. WebIn the AIAO state relevant to the pyrohclore iridates, the spin mo- ments point inward at one type of tetrahedra and out- ward at the other type [Fig.1(a)] with the q = 0 or- dering wave...

Did you know?

WebThe 5 transition metal oxides, in particular iridates, host novel electronic and magnetic phases due to the interplay between onsite Coulomb repulsion () and spin-orbit coupling (SOC). The reduced dimensionality brings… WebWorld Headquarters Jones & Bartlett Learning 5 Wall Street Burlington, MA 01803 978-443-5000 [email protected] www.jblearning.com Jones & Bartlett Learning books and …

WebPyrochlore iridates AIrO (A = rare earth elements, Y or Bi) hold great promise for realizing novel electronic and magnetic states owing to the interplay of spin-orbit coupling, electron correlation and geometrical frus… WebJan 6, 2024 · Spin Hall effects are a collection of relativistic spin-orbit coupling phenomena in which electrical currents can generate transverse spin currents and vice versa.

WebOct 29, 2024 · In Section 4, we review works on anomalous/topological Hall effects and magnetic anisotropy in artificial structures with magnetically coupled iridates and various magnetic oxides. Section 5 focuses on emergent electronic states in the iridate-based artificial structures through ionic evolution. WebThe spin-Seebeck effect (SSE) refers to voltage signals induced by the Inverse Spin Hall Effect (ISHE), with thermally driven spin currents through adjacent magnetic systems. It has been studied before mostly in collinear magnetic systems. Here, we present a general theory of the SSE in the case of a non-collinear antiferromagnetic insulator (AFI)/non-magnetic …

WebMay 18, 2024 · Spin Hall effect (SHE), a mechanism by which materials convert a charge current into a spin current, invokes interesting physics and promises to empower transformative, energy-efficient memory technology. However, fundamental questions … We would like to show you a description here but the site won’t allow us.

WebAs a new venue for emergent quantum phases, correlated electron systems with strong spin-orbit coupling have provided exciting playgrounds for quantum materials physics1–3. Pyrochlore iridates, R2Ir2O7 (R is a rare earth element or Y), are prominent examples of such systems and have been extensively studied in the last few years4–41. right setup key on keyboardWebFeb 13, 2013 · We present magnetization and Hall effect measurements on the pyrochlore iridate Nd2Ir2O7. Previous muon spin rotation measurements have shown that the system undergoes an unusual transition... right sewing rented guardianWebOct 20, 2024 · The origin of this spontaneous Hall effect is ascribed to chiral spin textures, which are inferred from the magnetic measurements indicating the spin ice-rule formation. Download chapter PDF 14.1 Pyrochlore Rare-Earth Iridates right seventh nerve palsy icd 10WebOct 4, 2024 · Historically, the first types of theoretically predicted topological semimetals were magnetic WSMs in pyrochlore iridates with strong spin-orbit coupling and all-in/all-out (AIAO) magnetic... right setting medicationWebdc.contributor.advisor: MacDonald, Allan H. dc.contributor.advisor: Fiete, Gregory A. dc.creator: Ma, Bowen, Ph. D. dc.date.accessioned: 2024-09-13T23:59:39Z right shampoo for hair lossWebAug 9, 2011 · In this paper, we discuss two quantum effects of this system in a magnetic field: a pressure-induced anomalous Hall effect and a magnetic-field-induced charge … right shade llcWebMagnetization and Hall effect studies on the pyrochlore iridate Nd 2 Ir 2 O 7 ... A-227 iridates composed of the smallest A-site radii (A= Y, Yb-Eu) are ... increased correlation effects influence the reported chiral spin liquid phase of Pr-227. Specifically, exploring how the all-in/all-out (AIAO) type spin order proposed for ... right setting without washing hair