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Signature of Ultrafast Formation and Annihilation of Polaronic States in a Layered Ferromagnet

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F22%3A43924194" target="_blank" >RIV/60461373:22310/22:43924194 - isvavai.cz</a>

  • Result on the web

    <a href="https://pubs.acs.org/doi/full/10.1021/acs.nanolett.2c01771" target="_blank" >https://pubs.acs.org/doi/full/10.1021/acs.nanolett.2c01771</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acs.nanolett.2c01771" target="_blank" >10.1021/acs.nanolett.2c01771</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Signature of Ultrafast Formation and Annihilation of Polaronic States in a Layered Ferromagnet

  • Original language description

    The strong interaction between charge and lattice vibration gives rise to a polaron, which has a profound effect on optical and transport properties of matters. In magnetic materials, polarons are involved in spin dependent transport, which can be potentially tailored for spintronic and opto-spintronic device applications. Here, we identify the signature of ultrafast formation of polaronic states in CrBr3. The polaronic states are long-lived, having a lifetime on the time scale of nanoseconds to microseconds, which coincides with the emission lifetime of ∼4.3 μs. Transition of the polaronic states is strongly screened by the phonon, generating a redshift of the transition energy ∼0.2 eV. Moreover, energy-dependent localization of polaronic states is discovered followed by transport/annihilation properties. These results shed light on the nature of the polarons and their formation and transport dynamics in layered magnetic materials, which paves the way for the rational design of two-dimensional magnetic devices. © 2022 American Chemical Society. All rights reserved.

  • 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

    10402 - Inorganic and nuclear chemistry

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

    2022

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    NANO LETTERS

  • ISSN

    1530-6984

  • e-ISSN

    1530-6992

  • Volume of the periodical

    22

  • Issue of the periodical within the volume

    19

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

    7784-7790

  • UT code for WoS article

    000862967100001

  • EID of the result in the Scopus database

    2-s2.0-85138963604