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Showing 1–11 of 11 results
Advanced filters: Author: John Cenker Clear advanced filters

  • Interlayer hybridization in 2D van der Waals materials can change their properties. Here, it is shown that the coupling in CrSBr can be changed from switching the magnetic order from antiferromagnetic to ferromagnetic states.

    • Nathan P. Wilson
    • Kihong Lee
    • Xiaoyang Zhu
    Research
    Nature Materials
    Volume: 20, P: 1657-1662

  • In the layered magnetic semiconductor CrSBr, excitons can strongly couple to nonlinear magnons. This coupling enables tunable magnon frequency mixing, parametric amplification and excitons dressed with up to 20 harmonics of magnons.

    • Geoffrey M. Diederich
    • Mai Nguyen
    • Xiaodong Xu
    Research
    Nature Nanotechnology
    Volume: 20, P: 617-622

  • Magnons are collective excitations that dictate many of a magnet’s low-temperature properties. By means of Raman scattering, the magnon spectra of CrI3 are measured in the monolayer limit.

    • John Cenker
    • Bevin Huang
    • Xiaodong Xu
    Research
    Nature Physics
    Volume: 17, P: 20-25

  • Correlated materials can show nematicity, but the nematic state usually exhibits even-fold rotational symmetry. Now, a correlated antiferromagnet is shown to host a three-state Potts vestigial nematicity that can be controlled by external strain.

    • Kyle Hwangbo
    • Elliott Rosenberg
    • Xiaodong Xu
    Research
    Nature Physics
    Volume: 20, P: 1888-1895

  • Excitons in the electronvolts range are found to couple strongly to coherent magnons in hundreds of microelectronvolts in an atomically thin two-dimensional antiferromagnetic semiconductor.

    • Youn Jue Bae
    • Jue Wang
    • Xiaoyang Zhu
    Research
    Nature
    Volume: 609, P: 282-286

  • Exciton condensation has been observed in various three-dimensional (3D) materials. Now, monolayer WTe2—a 2D topological insulator—also shows the phenomenon. Strong electronic interactions allow the excitons to form and condense at high temperature.

    • Bosong Sun
    • Wenjin Zhao
    • David H. Cobden
    ResearchOpen Access
    Nature Physics
    Volume: 18, P: 94-99

  • A cryo-strain device capable of applying large, continuous strains to two-dimensional materials in situ enables the reversible tuning of magnetic order and spin-canting process of the layered magnetic semiconductor CrSBr.

    • John Cenker
    • Shivesh Sivakumar
    • Xiaodong Xu
    Research
    Nature Nanotechnology
    Volume: 17, P: 256-261

  • The interaction between distinct excitations in solids is of both fundamental interest and technological importance. The layered magnetic semiconductor CrSBr exhibits strong coupling between excitons and coherently hybridized magnons, where both magnetic fields and strain can tune the coupling precisely.

    • Geoffrey M. Diederich
    • John Cenker
    • Xiaodong Xu
    Research
    Nature Nanotechnology
    Volume: 18, P: 23-28