Antiferromagnetic Fe<sub>3</sub>As nanostructure with a unique planar Fe arrangement

Yan, Xu; Han, Fanjunjie; Liu, Yong; Yang, Guochun

doi:10.1039/d3tc03476c

J. Mater. Chem. C

2023

DOI: 10.1039/d3tc03476c

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Antiferromagnetic Fe₃As nanostructure with a unique planar Fe arrangement

Xu Yan,

Fanjunjie Han,

Yong Liu

et al.

Abstract: The discovery of two-dimensional materials with room-temperature magnetism are critical to preparing next-generation high-performance nanoscale spintronic devices. Based on first-principles calculations, we proposed a planar Fe3As monolayer, in which Fe...

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2024

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Piezoelectric response and ferromagnetic order in 2D Janus FeGeN3

Wang,

Yan,

Liu

et al. 2024

Applied Physics Letters

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Two-dimensional (2D) materials with ferromagnetism and piezoelectricity have drawn great attention due to their promising application and fundamental significance. Using first-principles swarm structure search calculations, we have predicted a 2D Janus FeGeN3, with quintet atomic layers of N–Fe–N–Ge–N, demonstrating a desirable coexistence of ferromagnetism and piezoelectricity. It has an out-of-plane piezoelectric response of −0.31 pm/V, a robust ferromagnetic order with a Curie temperature (TC) of 302 K, and an excellent semiconductivity with a bandgap of 1.99 eV. Its ferromagnetic coupling is derived from the super-exchange interaction between Fe atoms mediated by multi-type N atoms. Moreover, the biaxial tensile strain is in the favor of the enhancement of ferromagnetism. These intriguing properties make Janus FeGeN3 an attractive candidate for spintronic devices with multifunctionality.

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Piezoelectric response and ferromagnetic order in 2D Janus FeGeN3

Wang,

Yan,

Liu

et al. 2024

Applied Physics Letters

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show abstract

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Antiferromagnetic Fe₃As nanostructure with a unique planar Fe arrangement

Abstract: The discovery of two-dimensional materials with room-temperature magnetism are critical to preparing next-generation high-performance nanoscale spintronic devices. Based on first-principles calculations, we proposed a planar Fe3As monolayer, in which Fe...

Cited by 1 publication

References 69 publications

Piezoelectric response and ferromagnetic order in 2D Janus FeGeN3

Piezoelectric response and ferromagnetic order in 2D Janus FeGeN3

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Antiferromagnetic Fe3As nanostructure with a unique planar Fe arrangement

Abstract: The discovery of two-dimensional materials with room-temperature magnetism are critical to preparing next-generation high-performance nanoscale spintronic devices. Based on first-principles calculations, we proposed a planar Fe3As monolayer, in which Fe...

Cited by 1 publication

References 69 publications

Piezoelectric response and ferromagnetic order in 2D Janus FeGeN3

Piezoelectric response and ferromagnetic order in 2D Janus FeGeN3

Contact Info

Product

Resources

About

Antiferromagnetic Fe₃As nanostructure with a unique planar Fe arrangement