Inducing a topological transition in graphene nanoribbon superlattices by external strain

Flores, Estefanía; Mella, José D.; Aparicio, Emiliano; González, Rafael I.; Parra, Carolina; Bringa, Eduardo M.; Muñoz, Francisco

doi:10.1039/d2cp00038e

Phys. Chem. Chem. Phys.

2022

DOI: 10.1039/d2cp00038e

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Inducing a topological transition in graphene nanoribbon superlattices by external strain

Estefanía Flores

José D. Mella

Emiliano Aparicio

et al.

Abstract: Armchair graphene nanoribbons, when forming a superlattice, can be classified in different topological phases, with or without edge states. By means of tight-binding and classical molecular dynamics (MD) simulations, we...

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Cited by 2 publications

References 71 publications

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Modulating intrinsic anomalous Hall effect in Fe3GeTe2 monolayer via strain engineering

Guo,

Zhou,

et al. 2023

AIP Advances

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The Fe3GeTe2 monolayer, a ferromagnetic topological candidate with a high Curie temperature of 130 K, has recently garnered considerable interest. We investigated the impact of strain on the electronic, magnetic, and topological properties of the Fe3GeTe2 monolayer using density functional theory calculations. Our results showed that the Fe3GeTe2 monolayer was an itinerant ferromagnet with a high spin polarization of 69.93% and out-of-plane easy magnetization. Tensile strain had no profound impact on the anomalous Hall conductivity (AHC). However, when applying a compressive biaxial strain of −3%, the AHC at the Fermi level was dramatically enhanced to 1.62 e2/h, which is much larger than that of the bulk (0.7 e2/h) and bilayer (1.5 e2/h) material. The large AHC nearly coincided with the singularity of the energy bands near the M point. Our results highlight the potential of using strain engineering to control and optimize the properties of two-dimensional topological materials.

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Modulating intrinsic anomalous Hall effect in Fe3GeTe2 monolayer via strain engineering

Guo,

Zhou,

et al. 2023

AIP Advances

View full text Add to dashboard Cite

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Time-dependent strain-tuned topological magnon phase transition

Vidal-Silva

Troncoso

2022

Phys. Rev. B

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Inducing a topological transition in graphene nanoribbon superlattices by external strain

Abstract: Armchair graphene nanoribbons, when forming a superlattice, can be classified in different topological phases, with or without edge states. By means of tight-binding and classical molecular dynamics (MD) simulations, we...

Cited by 2 publications

References 71 publications

Modulating intrinsic anomalous Hall effect in Fe3GeTe2 monolayer via strain engineering

Modulating intrinsic anomalous Hall effect in Fe3GeTe2 monolayer via strain engineering

Time-dependent strain-tuned topological magnon phase transition

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