Issue 48, 2016

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

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

Supplementary files

Article information

Article type
Paper
Submitted
24 Sep 2016
Accepted
15 Nov 2016
First published
15 Nov 2016

J. Mater. Chem. C, 2016,4, 11530-11539

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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