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Thermal Annealing Influence on Magnetic and Structural Properties of Cu56Ga28Mn16 Microwires

  • Víctor Prida (a1), Victor Vega (a2), Jose Sanchez Llamazares (a3), Maria L Sanchez (a4), Jesus D Santos (a5), Blanca Hernando (a6), Lluisa Escoda (a7), Joan J Suñol (a8), Carlos Garcia (a9) and Caroline Ross (a10)...

Abstract

We report on the crystalline structure, morphology and thermomagnetic properties of glass-coated magnetic microwires with Cu56Ga28Mn16 composition, as well as the thermal annealing influence on its magneto-structural properties. As-cast CuMnGa microwires exhibit a majority cubic B2 phase, and upon annealing at temperatures up to 573 K a new hexagonal phase appears coexisting with the cubic B2 major phase. Thermal annealing treatments also shift the Curie temperature about 150 K with respect to the one for the as-cast microwire. Furthermore, the signature of a structural phase transition is observed for the microwire annealed at 523 K

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Keywords

Thermal Annealing Influence on Magnetic and Structural Properties of Cu56Ga28Mn16 Microwires

  • Víctor Prida (a1), Victor Vega (a2), Jose Sanchez Llamazares (a3), Maria L Sanchez (a4), Jesus D Santos (a5), Blanca Hernando (a6), Lluisa Escoda (a7), Joan J Suñol (a8), Carlos Garcia (a9) and Caroline Ross (a10)...

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