Chin. Phys. Lett.  2009, Vol. 26 Issue (11): 117504    DOI: 10.1088/0256-307X/26/11/117504
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
Effect of Temperature on Structural and Magnetic Properties of Laser Ablated Iron Oxide Deposited on Si(100)
Shahid M. Ramay1, Saadat A. Siddiqi1, M. Sabieh Anwar2, S. C. Shin3
1Centre for Solid State Physics, University of Punjab, Lahore-54590, Pakistan2School of Science and Engineering, Lahore University of Management Sciences (LUMS), Opposite Sector U, D.H.A. Lahore 54972, Pakistan3Department of Physics, KAIST, 373-1 Guseong-dong, Yuseong-gu, Daejeon, 305-701, Republic of Korea
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Shahid M. Ramay, Saadat A. Siddiqi, M. Sabieh Anwar et al  2009 Chin. Phys. Lett. 26 117504
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Abstract We fabricate Fe3O4 thin films on Si(100) substrates at different temperatures using pulsed laser deposition, and study the effect of annealing and deposition temperature on the structural and magnetic properties of Fe3O4 thin films. Subsequently, the films are characterized by x-ray diffraction (XRD), scanning electron microscopy (SEM) and vibrating sample magnetometery (VSM). The XRD results of these films confirm the presence of the Fe3O4 phase and show room-temperature ferromagnetism, as observed with VSM. We demonstrate the optimized deposition and annealing conditions for an enhanced magnetization of 854emu/cm3 that is very high when compared to the bulk sample.
Keywords: 75.70.-i      75.79.-v      75.60.-v      07.55.Jg      07.70.Ds     
Received: 20 April 2009      Published: 30 October 2009
PACS:  75.70.-i (Magnetic properties of thin films, surfaces, and interfaces)  
  75.79.-v  
  75.60.-v  
  07.55.Jg (Magnetometers for susceptibility, magnetic moment, and magnetization measurements)  
  07.70.Ds  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/26/11/117504       OR      https://cpl.iphy.ac.cn/Y2009/V26/I11/117504
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Shahid M. Ramay
Saadat A. Siddiqi
M. Sabieh Anwar
S. C. Shin
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