Impurities, Defects, and Transport Phenomena in Magnetic Topological Insulators and Weyl Semimetals

Presentations

• Contrasting effects of dilute magentic impurities, Mn and Cr, in topological insulators: From competing interations to quantum anomalous Hall effect

  Oral-In-person

  March 17, 2026, 3:30 PM – March 17, 2026, 3:42 PM

  Presenters

  • Aashish Sapkota

    • Ames National Laboratory

  Authors

  • Aashish Sapkota

    • Ames National Laboratory

  • Dhurba Jaishi

    • Iowa State University

  • Deborah Schlagel

  • Liqin Ke

    • University of Virginia

  • David Vaknin

    • Iowa State University

  • Robert McQueeney

    • Iowa State University

  View abstract →

• Revealing the magnetic impurities induced electronic modification in the topological surface states

  Oral-In-person

  March 17, 2026, 3:42 PM – March 17, 2026, 3:54 PM

  Presenters

  • Yidi Wang

    • Harvard University

  Authors

  • Yidi Wang

    • Harvard University

  • Pengcheng Chen

    • Princeton University

  • Yu Liu

    • University of Tennessee

  • Shiang Fang

    • Massachusetts Institute of Technology

  • Yau Chuen Yam

    • University of British Columbia

  • Mohammad Hamidian

  • Cyrus Hirjibehedin

    • MIT Lincoln Laboratory

  • Chris Eckberg

  • Jennifer Hoffman

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• Thermoelectric study of room-temperature ferromagnet chromium telluride

  Oral-In-person

  March 17, 2026, 3:54 PM – March 17, 2026, 4:06 PM

  Presenters

  • Guoxin Zheng

    • California Institute of Technology

  Authors

  • Guoxin Zheng

    • California Institute of Technology

  • Kenneth Yi

  • Arjyama Bordoloi

    • University of Rochester

  • Sobhit Singh

    • University of Rochester

  • Taro Nakajima

  • Shunsuke Kitou

  • Linda Ye

  • Takashi Kurumaji

    • California Institute of Technology

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• Magnetic Dilution in Ilmenite Materials

  Oral-In-person

  March 17, 2026, 4:06 PM – March 17, 2026, 4:18 PM

  Presenters

  • Enrique Gonzalez Delgado

    • Boston College

  Authors

  • Enrique Gonzalez Delgado

    • Boston College

  • Elizabeth Baggett

    • Boston College

  • Fazel Tafti

    • Boston College

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• Local symmetry breaking activates a forbidden anomalous Hall response in the kagome Weyl semimetal Mn₃Sn

  Oral-In-person

  March 17, 2026, 4:18 PM – March 17, 2026, 4:30 PM

  Presenters

  • Tsung-Han Yang

    • Oak Ridge National Laboratory

  Authors

  • Tsung-Han Yang

    • Oak Ridge National Laboratory

  • Seng Huat Lee

    • Pennsylvania State University

  • Hengxin Tan

    • Tsinghua University

  • Yuanpeng Zhang

    • Oak Ridge National Lab

  • Daniel Olds

  • Vaclav Petricek

  • Huibo Cao

    • Oak Ridge National Laboratory

  • Jiaqiang Yan

    • Oak Ridge National Laboratory

  • Binghai Yan

    • Penn State University

  • Zhiqiang Mao

    • Pennsylvania State University

  • Qiang ZHANG

    • Oak Ridge National Laboratory

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• Proliferation of magnetic topological defects in a 2D square lattice

  Oral-In-person

  March 17, 2026, 4:30 PM – March 17, 2026, 4:42 PM

  Presenters

  • Huibo Cao

    • Oak Ridge National Laboratory

  Authors

  • Huibo Cao

    • Oak Ridge National Laboratory

  • Erxi Feng

    • Oak Ridge National Lab

  • Anjana Samarakoon

  • Xiaojian Bai

    • Louisiana State University

  • Xianghan Xu

    • University of Minnesota, Twin Cities

  • Chaowei Hu

    • University of California, Los Angeles

  • Lei Ding

    • Oak Ridge National Lab

  • Yaohua Liu

    • Oak Ridge National Laboratory

  • Ni Ni

    • University of California, Los Angeles

  • Cristian Batista

    • University of Tennessee

  • David Tennant

    • University of Tennessee

  • Sang-Wook Cheong

    • Rutgers University

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• Weyl Magnons in a Non-Coplanar Antiferromagnet

  Oral-In-person

  March 17, 2026, 4:42 PM – March 17, 2026, 4:54 PM

  Publication: Fahmy A.E., et al. Topological nodal Line and Weyl Magnons in the non-coplanar antiferromagnet MnTe2. in preparation.

  Presenters

  • Ahmed Fahmy

    • Ohio State University

  Authors

  • Ahmed Fahmy

    • Ohio State University

  • Archibald Williams

    • The Ohio State University

  • Yufei Li

    • Ohio State University

  • Mohamed Nawwar

    • Ohio State University

  • Thuc Mai

    • AV, AFRL

  • Kevin Garrity

    • National Institute of Standards and Technology (NIST)

  • Matthew Stone

    • Oak Ridge National Laboratory

  • Mohammed Karaki

    • Ohio State University

  • Sara Haravifard

    • Duke University

  • Angela Hight Walker

    • National Institute of Standards and Technology (NIST)

  • Rolando Valdes Aguilar

    • Ohio State University

  • Joshua Goldberger

    • Ohio State Univ - Columbus

  • Yuanming Lu

  • Joseph P Heremans

    • Ohio State University

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• Spin-Wave Diffraction by a Twisted Magnetic Domain Wall

  Oral-In-person

  March 17, 2026, 4:54 PM – March 17, 2026, 5:06 PM

  Presenters

  • Ehsan Faridi

    • Savannah State University

  Authors

  • Ehsan Faridi

    • Savannah State University

  • Se Kwon Kim

  • Giovanni Vignale

    • University of Missouri

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• Fermi arcs and surface magnetization in Weyl altermagnets

  Oral-In-person

  March 17, 2026, 5:06 PM – March 17, 2026, 5:18 PM

  Publication: To be submitted to PRB soon

  Presenters

  • Bibek Tiwari

    • University of Missouri-Columbia

  Authors

  • Bibek Tiwari

    • University of Missouri-Columbia

  • Pavlo Sukhachov

    • University of Missouri

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• A Generalized Framework for Evaluating Dzyaloshinskii–Moriya Interaction in Cr₁₊_δTe₂

  Oral-In-person

  March 17, 2026, 5:18 PM – March 17, 2026, 5:30 PM

  Presenters

  • Hyeong-Ryul Kim

    • Kyung Hee University - Seoul

  Authors

  • Hyeong-Ryul Kim

    • Kyung Hee University - Seoul

  • Young-Kyun Kwon

    • Kyung Hee University - Seoul

  View abstract →

• Nonabelian Topological Hydrodynamics

  Oral-In-person

  March 17, 2026, 5:30 PM – March 17, 2026, 5:42 PM

  Presenters

  • Chau Dao

    • University of California, Los Angeles

  Authors

  • Chau Dao

    • University of California, Los Angeles

  • Eric Kleinherbers

    • UCLA

  • Shane Kelly

    • UCLA

  • Yaroslav Tserkovnyak

    • University of California, Los Angeles

  View abstract →