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Showing 1–7 of 7 results
Advanced filters: Author: Batyr Ilyas Clear advanced filters

  • It is generally assumed that modulating magnetic properties via linear excitations of Raman-active phonons is forbidden in inversion symmetric magnets. Here, Luo, Ning, Ilyas, von Hoegen, and coauthors demonstrate a linear excitation of Raman-active lattice vibrations, via magnon-polaron excitation.

    • Tianchuang Luo
    • Honglie Ning
    • Nuh Gedik
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • Van der Waals materials can exhibit strong coupling between the lattice and other degrees of freedom. Here, Ergeçen et al reveal the presence of bound states emerging from the strong interaction between the lattice vibrations and d-orbitals in the van der Waals antiferromagnet NiPS3.

    • Emre Ergeçen
    • Batyr Ilyas
    • Nuh Gedik
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Polaritons, light-matter hybridized quasiparticles, are the fundamental excitation of strong coupling systems and are widely applicable in information technologies. Here the authors applied the concept of time-of-flight measurement in terahertz induced second harmonic generation experiments in various systems to comprehensively study the dispersion relation of phonon-polaritons and reveal potential spin-lattice couplings.

    • Tianchuang Luo
    • Batyr Ilyas
    • Nuh Gedik
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Multiple complementary optical signatures confirm the persistence of ferroelectricity and inversion-symmetry-breaking magnetic order down to monolayer NiI2, introducing the physics of type-II multiferroics into the area of van der Waals materials.

    • Qian Song
    • Connor A. Occhialini
    • Riccardo Comin
    Research
    Nature
    Volume: 602, P: 601-605

  • Experimental observations and theoretical analysis provide evidence that the spin polarization of the spin-spiral type II multiferroic NiI2 exhibits p-wave magnetism and its spin chirality is related to ferroelectric polarization, which can be electrically controlled. 

    • Qian Song
    • Srdjan Stavrić
    • Riccardo Comin
    Research
    Nature
    Volume: 642, P: 64-70