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Raman scattering signatures of strong spin-phonon coupling in the bulk magnetic van der Waals material CrSBr

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F23%3A43927286" target="_blank" >RIV/60461373:22310/23:43927286 - isvavai.cz</a>

  • Result on the web

    <a href="https://journals.aps.org/prb/abstract/10.1103/PhysRevB.107.075421" target="_blank" >https://journals.aps.org/prb/abstract/10.1103/PhysRevB.107.075421</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevB.107.075421" target="_blank" >10.1103/PhysRevB.107.075421</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Raman scattering signatures of strong spin-phonon coupling in the bulk magnetic van der Waals material CrSBr

  • Original language description

    Magnetic excitations in layered magnetic materials that can be thinned down to the two-dimensional (2D) monolayer limit are of great interest from a fundamental point of view and for applications. Raman scattering has played a crucial role in exploring the properties of magnetic layered materials and, even though it is essentially a probe of lattice vibrations, it can reflect magnetic ordering in solids through the spin-phonon interaction or through the observation of magnon excitations. In bulk CrSBr, a layered A-type antiferromagnet (AF), we show that the magnetic ordering can be directly observed in the temperature dependence of the Raman scattering response (i) through the variations of the scattered intensities, (ii) through the activation of new phonon lines reflecting the change of symmetry with the appearance of the additional magnetic periodicity, and (iii) through the observation below the Néel temperature (TN) of second-order Raman scattering processes. We additionally show that the three different magnetic phases encountered in CrSBr, including the recently identified low-temperature phase, have a particular Raman scattering signature. This work demonstrates that magnetic ordering can be observed directly in the Raman scattering response of bulk CrSBr with in-plane magnetization and that it can provide unique insight into the magnetic phases encountered in magnetic layered materials. © 2023 American Physical Society.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10306 - Optics (including laser optics and quantum optics)

Result continuities

  • Project

    <a href="/en/project/LTAUSA19034" target="_blank" >LTAUSA19034: Two-Dimensional Nanomaterials for Application in Electronic</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review B

  • ISSN

    2469-9950

  • e-ISSN

    2469-9969

  • Volume of the periodical

    107

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

  • UT code for WoS article

    000944165300002

  • EID of the result in the Scopus database

    2-s2.0-85149688448