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|Type:||Artigo de periódico|
|Title:||Nano-Ni addition to MgB2: effects on the superconducting properties|
|Author:||de Lima, OF|
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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