Theoretical study on magnetocaloric effect and its electric-field regulation in CrI3/metal heterostructure

He, Weiwei; Tang, Ziming; Gong, Qihua; Yi, Min; Guo, Wanlin

doi:10.1007/s11433-023-2238-2

Sci. China Phys. Mech. Astron.

2024

DOI: 10.1007/s11433-023-2238-2

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Theoretical study on magnetocaloric effect and its electric-field regulation in CrI3/metal heterostructure

Weiwei He,

Ziming Tang,

Qihua Gong

et al.

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2024

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Cited by 2 publications

References 67 publications

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Elastic, electronic, magnetic and magnetocaloric properties of janus MnXO (X=S, Se and Te) monolayers: First-principles and Monte Carlo investigations

Ait Tamerd,

Marjaoui,

Zanouni

et al. 2024

Physica B: Condensed Matter

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Elastic, electronic, magnetic and magnetocaloric properties of janus MnXO (X=S, Se and Te) monolayers: First-principles and Monte Carlo investigations

Ait Tamerd,

Marjaoui,

Zanouni

et al. 2024

Physica B: Condensed Matter

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Mechanically strong and room-temperature magnetocaloric monolayer VSi2N4 semiconductor

He,

Yin,

Tang

et al. 2024

Applied Physics Letters

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In the realm of emerging two-dimensional MoSi2N4 family, the majority of research endeavors gravitate toward their versatile physical properties, while their magnetocaloric effect (MCE) for the potential refrigeration application remains uncharted. Here, we comprehensively explore the magnetic, electronic, mechanical, and magnetocaloric properties of monolayer VA2Z4 (A = Si, Ge; Z = N, P, As) family by multiscale simulations, revealing that monolayer VSi2N4 semiconductor is mechanically strong and exhibits room-temperature MCE. The nonlinear elastic response of VSi2N4 unveils strong mechanical properties, featuring a substantial in-plane Young's modulus (E2D∼ 350 N/m) and a high strength of 40.8 N/m, comparable to that of graphene. Monolayer VSi2N4 exhibits a room-temperature MCE with an extensive refrigeration temperature range up to 20 K. Furthermore, applying biaxial strain can significantly improve the maximum magnetic entropy change (−ΔSMmax) and maximum adiabatic temperature change (ΔTadmax) by 80.9% and 197.3%, respectively. Room-temperature MCE with wide working temperature and mechanical robustness make monolayer VSi2N4 an appealing candidate for magnetic refrigeration applications over large temperature range. These findings offer fresh insights for advancing the development of magnetic cooling in small-sized systems.

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Theoretical study on magnetocaloric effect and its electric-field regulation in CrI3/metal heterostructure

Cited by 2 publications

References 67 publications

Elastic, electronic, magnetic and magnetocaloric properties of janus MnXO (X=S, Se and Te) monolayers: First-principles and Monte Carlo investigations

Elastic, electronic, magnetic and magnetocaloric properties of janus MnXO (X=S, Se and Te) monolayers: First-principles and Monte Carlo investigations

Mechanically strong and room-temperature magnetocaloric monolayer VSi2N4 semiconductor

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