Spin- and Magnon-Based Phenomena in Antiferromagnetic Materials

FOCUS · M21 · ID: 2155570

Presentations

  • Quantum-classical description of spin and charge pumping by dynamical noncolliner magnetic textures and the ensuing electromagnetic radiation in THz spintronics

    ORAL · Invited

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    Publication: [1] A. Suresh and B. K. Nikolić, Quantum classical approach to spin and charge pumping and the ensuing radiation in terahertz spintronics: Example of the ultrafast light-driven Weyl antiferromagnet Mn3Sn, Phys. Rev. B 107, 174421 (2023).
    [2] M. Petrović, B. S. Popescu, U. Bajpai, P. Plecháč, and B. K. Nikolić, Spin and charge pumping by current-driven magnetic domain wall motion: A self-consistent multiscale time-dependent quantum-classical hybrid approach, Phys. Rev. Applied 10, 054038 (2018).
    [3] U. Bajpai and B. K. Nikolić, Time-retarded damping and magnetic inertia in the Landau-Lifshitz-Gilbert equation self-consistently coupled to electronic time-dependent nonequilibrium Green functions, Phys. Rev. B 99, 134409 (2019).
    [4] U. Bajpai and B. K. Nikolić, Spintronics meets nonadiabatic molecular dynamics: Geometric spin torque and damping on dynamical classical magnetic texture due to an electronic open quantum system, Phys. Rev. Lett. 125, 187202 (2020).
    [5] A. Suresh, U. Bajpai, and B. K. Nikolić, Magnon-driven chiral charge and spin pumping and electron-magnon scattering from time-dependent quantum transport combined with classical atomistic spin dynamics, Phys. Rev. B 101, 214412 (2020).
    [6] A. Suresh, M. D. Petrović, U. Bajpai, H. Yang, and B. K. Nikolić, Magnon- versus electron-mediated spin-transfer torque exerted by spin current across an antiferromagnetic insulator to switch the magnetization of an adjacent ferromagnetic metal, Phys. Rev. Applied 15, 034089 (2021).
    [7] F. Reyes-Osorio and B. K. Nikolić, Gilbert damping in metallic ferromagnets from Schwinger-Keldysh field theory: Intrinsically nonlocal and nonuniform, and made anisotropic by spin-orbit coupling, arXiv:2306.13013 (2023).
    [8] M. D. Petrović, U. Bajpai, P. Plecháč, and B. K. Nikolić, Annihilation of topological solitons in magnetism with spin wave burst finale: The role of nonequilibrium electrons causing nonlocal damping and spin pumping over ultrabroadband frequency range, Phys. Rev. B 104, L020407 (2021).
    [9] S. Woo, T. Delaney, and G. S. D. Beach, Magnetic domain wall depinning assisted by spin wave bursts, Nat. Phys. 13, 448 (2017).

    Presenters

    • Branislav K Nikolic

      University of Delaware

    Authors

    • Branislav K Nikolic

      University of Delaware

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  • Hybrid Magnonics in Hybrid Perovskite Antiferromagnets

    ORAL · Invited

    –

    Publication: A. Comstock et al., "Hybrid Magnonics in Hybrid Perovskite Antiferromagnets". Nature Communications 14, 1834 (2023).https://www.nature.com/articles/s41467-023-37505-w

    Presenters

    • Dali Sun

      North Carolina State University, Physics Department, North Carolina State University

    Authors

    • Dali Sun

      North Carolina State University, Physics Department, North Carolina State University

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  • Determination of Dzyaloshinskii-Moriya Interaction in Hematite via Anisotropic Morin Transition Response to Magnetic Field

    ORAL

    –

    Presenters

    • Haoyu Liu

      University of California, Riverside

    Authors

    • Haoyu Liu

      University of California, Riverside

    • Hantao Zhang

      UC Riverside

    • Qinwu Gao

      Southern University of Science and Technology

    • Letian Li

      Southern University of Science and Technology

    • Junxue Li

      Southern University of Science and Technology

    • Ran Cheng

      UC Riverside

    • Jing Shi

      University of California, Riverside

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  • Phenomenological model of magnon spin transport in polar antiferromagnets

    ORAL

    –

    Presenters

    • Isaac A Harris

      University of California, Berkeley

    Authors

    • Isaac A Harris

      University of California, Berkeley

    • Sajid Husain

      Lawrence Berkeley national Laboratory

    • Peter Meisenheimer

      University of California, Berkeley

    • Hyeon Woo Park

      Korea Advanced Institute of Science and Technology

    • Maya Ramesh

      Cornell University

    • Lucas Caretta

      Brown University

    • Darrell G Schlom

      Cornell University, Department of Materials Science and Engineering, Cornell University

    • Se Kwon Kim

      KAIST

    • Zhi (Jackie) Yao

      Lawrence Berkeley National Laboratory

    • Ramamoorthy Ramesh

      Rice University

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  • Tuning Néel temperature in Magnetoelectric B-doped Cr<sub>2</sub>O<sub>3</sub> films

    ORAL

    –

    Publication: ​​​​​​​[1] A. Mahmood et al., Adv. Physics. Res., 2023, 2300061

    Presenters

    • Ather Mahmood

      University of Nebraska - Lincoln

    Authors

    • Ather Mahmood

      University of Nebraska - Lincoln

    • Jamie L Weaver

      National Institute of Standards and Technology

    • Syed Qamar Abbas Shah

      University of Nebraska - Lincoln

    • Will Echtenkamp

      University of Nebraska - Lincoln

    • Jeffrey W Lynn

      National Institute of Standards and Technology

    • Peter A Dowben

      University of Nebraska - Lincoln, University of Nebraska-Lincoln, Dept. of Physics and Astronomy, U. of Nebraska, Lincoln, Nebraska

    • Christian Binek

      University of Nebraska - Lincoln

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  • Post annealing x-ray photoemission spectroscopy depth profiling investigating B-concentration in B:Cr<sub>2</sub>O<sub>3</sub> thin films

    ORAL

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    Publication: Post Deposition Interfacial Néel Temperature Tuning in Magnetoelectric B:Cr2O3

    Presenters

    • Syed Qamar Abbas Shah

      University of Nebraska - Lincoln

    Authors

    • Syed Qamar Abbas Shah

      University of Nebraska - Lincoln

    • Ather Mahmood

      University of Nebraska - Lincoln

    • Jamie L Weaver

      National Institute of Standards and Technology

    • Will Echtenkamp

      University of Nebraska - Lincoln

    • Jeffrey W Lynn

      National Institute of Standards and Technology

    • Peter A Dowben

      University of Nebraska - Lincoln, University of Nebraska-Lincoln, Dept. of Physics and Astronomy, U. of Nebraska, Lincoln, Nebraska

    • Christian Binek

      University of Nebraska - Lincoln

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  • Landau Theory of Altermagnetism

    ORAL

    –

    Publication: arXiv:2308.04484

    Presenters

    • Jeffrey G Rau

      University of Windsor

    Authors

    • Jeffrey G Rau

      University of Windsor

    • Paul McClarty

      Max Planck Institute for the Physics of Complex Systems, Max Planck Institute for the Physics of Complex Systems, 01187 Dresden, Germany

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