Volume 9, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol 9, No 1, Winter-Spring 2015)                   IJOP 2015, 9(1): 35-42 | Back to browse issues page

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Parvin P, Ghorannevis Z, Mehrabi M, Taghdiri P, Mortazavi Z, Reyhani A. Magnetic Measurements of Graphene and Defected Graphene Generated by Laser Ablation Method. IJOP 2015; 9 (1) :35-42
URL: http://ijop.ir/article-1-192-en.html
Magnetic Measurements of Graphene and Defected Graphene Generated by Laser Ablation Method
Parviz Parvin * 1, Zohreh Ghorannevis2 , Mohsen Mehrabi1 , Pooria Taghdiri1 , Zahra Mortazavi1 , Ali Reyhani1
1- Department of Energy Engineering and Physics, Amirkabir University of Technology, Tehran, Iran
2- Department of Physics, Karaj Branch, Islamic Azad University, Karaj, Iran
Abstract:   (6806 Views)
In this paper, the magnetic properties of carbon based material, graphene is studied, which is generated by laser ablation in cryogenic media. Transmission electron microscopy (TEM) and alternating gradient force magnetometer (AGFM) are applied to investigate the graphene morphology and magnetic properties, respectively. The graphene synthesized by the laser ablation method exhibits diamagnetic behavior. However the magnetic transition from diamagnetic to paramagnetic effect is lucidly observed by functionalizing the graphene sample with silver atoms.
Keywords: Alternating gradient force magnetometer (AGFM), Diamagnetic, Ferromagnetic, Graphene, Paramagnetic, Transmission electron microscopy (TEM).
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Type of Study: Research | Subject: General
Received: 2014/11/19 | Revised: 2015/06/2 | Accepted: 2015/02/17 | Published: 2015/06/2
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