Evidence of ion diffusion at room temperature in microcrystals of the Bi2Sr2CaCu2O8+δ superconductor

We have studied Bi-2212 microcrystals aged at ambient conditions for 40 days. Combined x-ray absorption near edge structure and x-ray fluorescence measurements with micrometer space resolution show both an increase of Cu+ with respect to Cu2+ and an enrichment in Cu vs Bi and Sr cation content near...

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Veröffentlicht in:	Applied physics letters 2005-05, Vol.86 (21)
Hauptverfasser:	Truccato, M., Lamberti, C., Prestipino, C., Agostino, A.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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