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Issue 1, 2015
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Hydrogen dangling bonds induce ferromagnetism in two-dimensional metal-free graphitic-C3N4 nanosheets

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Abstract

Ferromagnetic two-dimensional (2D) ultrathin nanosheets hold great promise for next generation electronics. Ferromagnetic metal-free materials that usually possess only an s/p electronic configuration with weak spin–orbit coupling and a large spin relaxation time, would play an important role in constructing future spintronic devices. However, the absence of an intrinsic spin ordering structure in most metal-free materials greatly hampers the widening scope of ferromagnetic 2D nanostructures as well as in-depth understanding of their ferromagnetic nature. Herein, the induction of intrinsic ferromagnetism in 2D metal-free g-C3N4 ultrathin nanosheets has been achieved through a new effective strategy whereby hydrogen dangling bonds are introduced. In our case, g-C3N4 ultrathin nanosheets with hydrogen dangling bonds showed obvious room temperature ferromagnetic behavior that could even be tuned by the concentration of hydrogen. This work will pave a new pathway to engineer the properties of 2D nanomaterial systems.

Graphical abstract: Hydrogen dangling bonds induce ferromagnetism in two-dimensional metal-free graphitic-C3N4 nanosheets

  • This article is part of the themed collection: Nanoscience
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Publication details

The article was received on 25 Aug 2014, accepted on 29 Sep 2014 and first published on 01 Oct 2014


Article type: Edge Article
DOI: 10.1039/C4SC02576H
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Chem. Sci., 2015,6, 283-287
  • Open access: Creative Commons BY license
    All publication charges for this article have been paid for by the Royal Society of Chemistry

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    Hydrogen dangling bonds induce ferromagnetism in two-dimensional metal-free graphitic-C3N4 nanosheets

    K. Xu, X. Li, P. Chen, D. Zhou, C. Wu, Y. Guo, L. Zhang, J. Zhao, X. Wu and Y. Xie, Chem. Sci., 2015, 6, 283
    DOI: 10.1039/C4SC02576H

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