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Issue 19, 2017
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Zigzag C2N nanoribbons with edge modifications as multi-functional spin devices

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Abstract

Recently, a holey two-dimensional (2D) C2N crystal with a wide band gap has been successfully synthesized. However, its non-magnetic property largely limits real applications in spintronics. Here we find that edge magnetism can be introduced by tailoring the holey 2D C2N crystal into nanoribbons with zigzag edges. When edge N atoms are bare or passivated by H atoms, the device can be used to design high-performance thermospin devices and thermal rectifiers. This is ascribed to the emergence of a spin semiconducting property with a wide band gap. Moreover, if the edge N atoms are passivated by O atoms, the device shows a half-metallic property; meanwhile an obvious spin Seebeck effect can also be observed when a temperature difference is applied across the device.

Graphical abstract: Zigzag C2N nanoribbons with edge modifications as multi-functional spin devices

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Publication details

The article was received on 29 Nov 2016, accepted on 06 Apr 2017 and first published on 06 Apr 2017


Article type: Paper
DOI: 10.1039/C6CP08148G
Citation: Phys. Chem. Chem. Phys., 2017,19, 12538-12545
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    Zigzag C2N nanoribbons with edge modifications as multi-functional spin devices

    X. F. Yang, Y. W. Kuang, H. L. Yu, Z. G. Shao, J. Zhang, J. F. Feng, X. S. Chen and Y. S. Liu, Phys. Chem. Chem. Phys., 2017, 19, 12538
    DOI: 10.1039/C6CP08148G

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