Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 35, Issue 2, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-648X/ac9f99
Keywords
Zr2CO2; H-FeCl2 heterostructure; biaxial strain; external electric field; magnetic anisotropy energy
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The electronic and magnetic properties of 2D Zr2CO2/H-FeCl2 heterostructures were investigated using first principles calculations. It was found that these heterostructures exhibit magnetic semiconductor behavior and their electronic structure and magnetic anisotropy can be controlled by biaxial strain and external electric field. The band gap and potential difference of the heterostructures can be modified by in-plane biaxial strain, with a compressive strain of -8% leading to the heterostructure becoming metallic. All Zr2CO2/H-FeCl2 heterostructures have in-plane magnetic anisotropy and show semiconductor behavior in an electric field range of -0.5 V angstrom(-1) to +0.5 V angstrom(-1). Additionally, the heterostructure exhibits in-plane magnetic anisotropy under negative electric field and perpendicular magnetic anisotropy under positive electric field. These findings suggest that Zr2CO2/H-FeCl2 heterostructures have potential applications in multifunctional nanoelectronic devices.
Two dimensional (2D) van der Waals (vdW) heterostructures have potential applications in novel low dimensional spintronic devices due to their unique electronic and magnetic properties. Here, the electronic and magnetic properties of 2D Zr2CO2/H-FeCl2 heterostructures are calculated by first principles calculations. The 2D Zr2CO2/H-FeCl2 heterostructures are magnetic semiconductor. The electronic structure and magnetic anisotropy of Zr2CO2/H-FeCl2 heterostructure can be regulated by the biaxial strain and external electric field. The band gap and potential difference of Zr2CO2/H-FeCl2 heterostructure can be affected by in-plane biaxial strain. At a compressive strain of -8%, the Zr2CO2/H-FeCl2 heterostructure becomes metallic. All of the Zr2CO2/H-FeCl2 heterostructures are magnetic with in-plane magnetic anisotropy (IMA). The Zr2CO2/H-FeCl2 heterostructure is a semiconductor at the electric field from -0.5 V angstrom(-1) to +0.5 V angstrom(-1). Furthermore, Zr2CO2/H-FeCl2 heterostructure shows IMA at the negative electric field, while it shows perpendicular magnetic anisotropy at the positive electric field. These results show that Zr2CO2/H-FeCl2 heterostructure has potential applications in multifunctionalnanoelectronic devices.
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