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Morphology and magnetic properties of FeCo alloy synthesized through polyol process

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2020
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Ponraj, Rajesh
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Morphology and magnetic properties of FeCo alloy synthesized through polyol process
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Author
  • Ponraj, Rajesh;
  • Thirumurugan, Arun;
  • Jacob, G. Antilen;
  • Sivaranjani, K. S.;
  • Joseyphus, R. Justin;
Abstract
Equiatomic FeCo alloy was synthesized through polyol process and size reduction was attempted using heterogeneous nucleating agents such as Cu and Pt. The average particle size of FeCo reduced from 138 to 17 nm using 5x10(-6) M of Pt whereas significant size reduction could not be achieved with Cu up to 1x10(-5) M. The as-prepared FeCo and the particles prepared using Cu as nucleating agent revealed a flower-like morphology whereas the shape crumbled with Pt nuclei. All the FeCo nanoparticles exhibited exchange bias effect due to the oxide layer present as a shell. The exchange bias field and coercivity at 15 K were 185 Oe and 1016 Oe, respectively, for the particles synthesized using Pt as a nucleating agent.
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Department of Science & Technology (India) CRG/2018/000939
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Artículo de publicación ISI
 
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URI: https://repositorio.uchile.cl/handle/2250/173845
DOI: 10.1007/s13204-019-01128-9
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Applied Nanoscience Volumen: 10 Número: 2 Páginas: 477-483 FEB 2020
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