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Type: Artigo de periódico
Title: Nano-Ni addition to MgB2: effects on the superconducting properties
Author: de Lima, OF
Vieira, KB
Moschim, E
Awana, VPS
Kishan, H
Abstract: Samples of MgB2 pure phase, with Ni nanoparticles addition, were prepared using a solid diffusion reaction method. Clearly, the Ni nanoparticles act as effective pinning centers and enhance the critical current density values, especially for a sample with 0.5%Ni. A negligible amount of Ni diffuses inside the MgB2 grains, thus having a small effect on the transition temperature, which remains around 37.5 K.
Country: EUA
Editor: Springer
Citation: Journal Of Materials Science. Springer, v. 45, n. 18, n. 4929, n. 4933, 2010.
Rights: fechado
Identifier DOI: 10.1007/s10853-010-4388-5
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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