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Enabling Room-Temperature Triferroic Coupling in Dual Transition-Metal Dichalcogenide Monolayers Via Electronic Asymmetry.
Tang, Cheng; Zhang, Lei; Sanvito, Stefano; Du, Aijun.
Afiliación
  • Tang C; School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD4000, Australia.
  • Zhang L; School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD4000, Australia.
  • Sanvito S; School of Physics and CRANN Institute, Trinity College, Dublin2, Ireland.
  • Du A; School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD4000, Australia.
J Am Chem Soc ; 145(4): 2485-2491, 2023 Feb 01.
Article en En | MEDLINE | ID: mdl-36657156
Triferroic compounds are the ideal platform for multistate information devices but are rare in the two-dimensional (2D) form, and none of them can maintain macroscopic order at room temperature. Herein, we propose a general strategy for achieving 2D triferroicity by imposing electric polarization into a ferroelastic magnet. Accordingly, dual transition-metal dichalcogenides, for example, 1T'-CrCoS4, are demonstrated to display room-temperature triferroicity. The magnetic order of 1T'-CrCoS4 undergoes a magnetic transition during the ferroic switching, indicating robust triferroic magnetoelectric coupling. In addition, the negative out-of-plane piezoelectricity and strain-tunable magnetic anisotropy make the 1T'-CrCoS4 monolayer a strong candidate for practical applications. Following the proposed scheme, a new class of 2D room-temperature triferroic materials is introduced, providing a promising platform for advanced spintronics.

Texto completo: 1 Banco de datos: MEDLINE Idioma: En Revista: J Am Chem Soc Año: 2023 Tipo del documento: Article País de afiliación: Australia

Texto completo: 1 Banco de datos: MEDLINE Idioma: En Revista: J Am Chem Soc Año: 2023 Tipo del documento: Article País de afiliación: Australia