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|Title:||Room-Temperature Ferromagnetism in Carbon-Doped ZnO||Authors:||Pan, H.
|Issue Date:||17-Sep-2007||Citation:||Pan, H., Yi, J.B., Shen, L., Wu, R.Q., Yang, J.H., Lin, J.Y., Feng, Y.P., Ding, J., Van, L.H., Yin, J.H. (2007-09-17). Room-Temperature Ferromagnetism in Carbon-Doped ZnO. Physical Review Letters 99 (12) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.99.127201||Abstract:||We report ferromagnetism in carbon-doped ZnO. Our first-principles calculations based on density functional theory predicted a magnetic moment of 2.02I B per carbon when carbon substitutes oxygen in ZnO, and an ferromagnetic coupling among magnetic moments of the carbon dopants. The theoretical prediction was confirmed experimentally. C-doped ZnO films deposited by pulsed-laser deposition showed ferromagnetism with Curie temperatures higher than 400 K. The measured magnetic moment based on the content of carbide in the films [(1.5a 3.0)I B per carbon] was in agreement with the theoretical prediction. The magnetism is due to the Zn-C system in the ZnO environment. © 2007 The American Physical Society.||Source Title:||Physical Review Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/52628||ISSN:||00319007||DOI:||10.1103/PhysRevLett.99.127201|
|Appears in Collections:||Staff Publications|
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