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|Type:||Artigo de periódico|
|Title:||Effect Of Mn On The Superconductivity Of Yba2cu3o7-δ|
De Lima O.F.
|Abstract:||We have prepared samples of YBa2(Cu1-xMnx)3O7-δ, with x=0.0, 0.01, 0.025, 0.05, 0.075, 0.10, 0.15, and 0.20. Superconductivity with Tc in the range 84-92 K is demonstrated by resistivity and magnetic susceptibility measurements. The substitution of Mn for Cu did not affect the onset temperature for the resistivity transition. X-ray diffraction analysis revealed the presence of additional phases, the amount increasing with Mn content, and also a slight modification of the YBa2Cu3O7-δ lattice parameters. A strong correlation between the width of the superconducting transition and the presence of additional phases was observed. © 1988 The American Physical Society.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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