1Department of Chemistry, M.M.H (P.G) College, Ghaziabad 201001, India
2Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
3CSNSM, IN2P3-CNRS, Batiment 108, F-91405 Orsay Campus, France
4Institute Instrumentation Centre, Indian Institute of Technology, Roorkee 247667, India
5School of Materials Science and Engineering, Inha University, Incheon, South Korea
Adv. Mater. Lett., 2012, 2 (1), pp 71-75
DOI: 10.5185/amlett.2010.12187
Publication Date (Web): Apr 08, 2012
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E-mail: jai.gupta1983@gmail.com
The present work envisages synthesis of magnetic nanocomposites by ion beam mixing technique using swift heavy ion irradiation of Ni-Teflon bilayer system and its magnetic characterizations. The nanocomposite is characterized by Rutherford backscattering spectrometry (RBS), transmission electron microscopy (TEM), scanning probe microscopy (SPM) and superconducting quantum interference device (SQUID) magnetometer. Cross-sectional TEM and magnetic force microscopy (MFM) results confirm the formation of nanocomposite. Magnetic characterizations reveal that nanocomposite exhibits ferromagnetic behavior with an increase in the coercivity, which is attributed to the formation of Ni nanoparticles. The coercivity of the nanocomposite is found to be 112 Oe at room temperature which is two orders of magnitude larger than that of the bulk Ni (0.87 Oe).
Ion beam mixing, swift heavy ions, metal-polymer nanocomposite, magnetic properties.
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