Defects induced ferromagnetism in plasma-enabled graphene nanopetals
Yue, Z.J., Seo, D.H., Ostrikov, K., & Wang, X.L. (2014) Defects induced ferromagnetism in plasma-enabled graphene nanopetals. Applied Physics Letters, 104(9), 092417.
Ferromagnetism in graphene is fascinating, but it is still a big challenge for practical applications due to the weak magnetization. In order to enhance the magnetization, here, we design plasma-enabled graphene nanopetals with ultra-long defective edges of up to 105 m/g, ultra-dense lattice vacancies, and hydrogen chemisorptions. The designed graphene nanopetals display robust ferromagnetism with large saturation magnetization of up to 2 emu/g at 5 K and 1.2 emu/g at room temperatures. This work identifies the plasma-enabled graphene nanopetals as a promising candidate for graphene-based magnetic devices.
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|Item Type:||Journal Article|
|Additional Information:||Funding Details: DP1094073, ARC, Australian Research Council|
|Deposited On:||08 Jul 2014 04:40|
|Last Modified:||08 Jul 2014 04:40|
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