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Spin Polarization and Spin Channel Reversal in Graphitic Carbon Nitrides on Top of α-Fe2O3(0001) Surface

Abstract

Inducing the spin-dependent characteristics in the two-dimensional (2D) materials by magnetic proximity effects is a recent targeted route for 2D spintronics devices. Here, we report the spin-dependent electronic properties of graphitic carbon nitride (g-C2N, g-C3N and g-C4N3) on top of α-Fe2O3(0001) by first-principles calculations. The different terminations of α-Fe2O3(0001) can switch the conductivity of g-C2N from the n- to p-type. Especially, the O- and single Fe-terminated interfaces show the half-metallic feature in g-C2N, which originates from the charge redistribution driven by work function difference and interfacial interaction. Additionally, the O-terminated interface is the stable physical adsorption, which leads to the spin polarization in g-C3N and spin channel reversal in g-C4N3. These results strongly reveal this novel system as a candidate for future graphitic carbon nitride-based spintronic devices.

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Publication details

The article was received on 04 Jul 2018, accepted on 09 Aug 2018 and first published on 09 Aug 2018


Article type: Paper
DOI: 10.1039/C8CP04223C
Citation: Phys. Chem. Chem. Phys., 2018, Accepted Manuscript
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    Spin Polarization and Spin Channel Reversal in Graphitic Carbon Nitrides on Top of α-Fe2O3(0001) Surface

    J. Jiang, X. Wang and W. Mi, Phys. Chem. Chem. Phys., 2018, Accepted Manuscript , DOI: 10.1039/C8CP04223C

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