Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS C
Volume 26, Issue 1, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0129183115500096
Keywords
Ferromagnetism; hybridization; GaN monolayer
Funding
- Higher Education Commission (HEC) of Pakistan
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We demonstrate enhanced ferromagnetism in copper doped two-dimensional GaN monolayer (GaN-ML). Our first principle calculation based on density functional theory predicted that nonmagnetic Cu-dopant with concentration of 6.25% to be ferromagnetic (FM) in 2D GaN layer which carries a magnetic moment of 2.0 mu(B) per Cu atom and it is found to be long range magnetic coupling among the Cu-dopant. The Cu-dopant in 2D GaN-ML which can be explained in terms of p-d hybridization at Curie temperature and this dopant prefer the FM behavior in 2D GaN layer. Hence Cu doped 2D GaN layer shows strong magnetic properties so that it is a promising material in the field of spintronics.
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