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Issue 48, 2016
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Metal-free half-metallicity in a high energy phase C-doped gh-C3N4 system: a high Curie temperature planar system

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Abstract

Metal free half-metallicity has been the subject of intense research in the field of spintronics devices. Using density functional theoretical calculations, atomically thin graphitic heptazine carbon nitride (gh-C3N4) based systems are studied for possible spintronics application. Ferromagnetism is observed in all of the C-doped gh-C3N4 systems due to hole injection. However, a high energy phase of C-doped gh-C3N4 (CN2@gh-C3N4) shows strong half-metallicity with a Curie temperature as high as ∼400 K. The calculated Curie temperature is noticeably higher than the metal-free based half-metallic systems studied to date. Thereby, such a ferromagnetic half-metallic system with a high Curie temperature can be promising for high temperature spintronics applications.

Graphical abstract: Metal-free half-metallicity in a high energy phase C-doped gh-C3N4 system: a high Curie temperature planar system

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Article information


Submitted
24 Sep 2016
Accepted
15 Nov 2016
First published
15 Nov 2016

J. Mater. Chem. C, 2016,4, 11530-11539
Article type
Paper

Metal-free half-metallicity in a high energy phase C-doped gh-C3N4 system: a high Curie temperature planar system

I. Choudhuri, G. Bhattacharyya, S. Kumar and B. Pathak, J. Mater. Chem. C, 2016, 4, 11530
DOI: 10.1039/C6TC04163A

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