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|Type:||Artigo de periódico|
|Title:||Synthesis and Characterization of BaFe2As2 Single Crystals Grown by In-flux Technique|
de Almeida, RL
|Abstract:||We report a detailed characterization of BaFe2As2 single crystals grown by a metallic In-flux technique, an alternative to well-established growth routes using FeAs self- or Sn-flux. Electrical resistivity, magnetic susceptibility, nuclear magnetic resonance, and energy dispersive spectroscopy measurements showed no evidence of flux incorporation. More importantly, our results demonstrate that BaFe2As2 single crystals grown by In-flux have extremely high quality. To explore the efficiency of the In-flux growth method, we have also prepared nearly optimally doped superconducting samples of Ba(Fe1 -x M (x) )(2)As-2 (M = Co, Cu, Ni, and Ru). Among other interesting features, this alternative chemical substitution method has led to enhancement of the maximum T (c) for most dopings.|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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