Domínguez, L. (Lourdes)
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- Coercivity and Magnetic Anisotropy of (Fe0.76Si0.09B0.10P0.05)97.5Nb2.0Cu0.5 Amorphous and Nanocrystalline Alloy Produced by Gas Atomization Process(2020) Ipatov, M.S. (Mihail S.); Gonzalez, J. (Julián); Martín, J.M. (José Manuel); Domínguez, L. (Lourdes); Burgos-García, N. (Nerea); Álvarez, K.L. (Kenny)We present the evolution of magnetic anisotropy obtained from the magnetization curve of (Fe0.76Si0.09B0.10P0.05)97.5Nb2.0Cu0.5 amorphous and nanocrystalline alloy produced by a gas atomization process. The material obtained by this process is a powder exhibiting amorphous character in the as-atomized state. Heat treatment at 480 ◦C provokes structural relaxation, while annealing the powder at 530 ◦C for 30 and 60 min develops a fine nanocrystalline structure. Magnetic anisotropy distribution is explained by considering dipolar effects and the modified random anisotropy model.