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This article deals with a study on the icosahedral phase quasicrystal of Al63Cu25Fe12 produced by casting in plasma induction furnace under an argon atmosphere to guarantee it’s homogenously. But found in phase transformations from one phase to another, the structures formed by the quasicrystalline alloy having ordered icosahedral phase, leads to low electrical conductivity; but considering the location of weak electron-electron interactions. For microstructural characterization was made using the Following techniques; X-ray Diffraction, Scanning Electron Microscopy, Energy Dispersive Spectroscopy of, DSC Thermal Analysis and Spectroscopy Electron Paramagnetic Resonance (EPR), where the spectrum Obtained experimental EPR presents an amount of resonance g = 2,036. EPR spectrum provide a detailed view of magnetic equivalent sites to those of paramagnetic transition metal compositional variation in the alloy quasicrystalline and transition temperature effects on the magnetic spins in the sample ordering.

CHARACTERIZATIONS AND ELECTRON PARAMAGNETIC RESONANCE (EPR) QUASICRYSTALS IN AN ICOSAHEDRAL PHASE