The local structure around Cu and Y atoms in a Y-Ba-Cu-O precursor prepared by spray pyrolysis was investigated by x-ray absorption spectroscopy. Near-edge and extended x-ray absorption fine structure analysis, together with powder diffraction measurements, give detailed information about structure and morphology of the precursor, as well as a clear picture of its thermal evolution towards the superconducting phase. Thick films prepared starting from this precursor are characterized. Their excellent properties exemplify possible applications of this material.
THERMAL EVOLUTION FROM A PRECURSOR TO THE Y-BA-CU-O SUPERCONDUCTOR - X-RAY ABSORPTION-SPECTROSCOPY STUDY AND APPLICATION TO THICK-FILM TECHNOLOGY / Sacchi, M; Sirotti, F; Prudenziati, Maria. - In: JOURNAL OF APPLIED PHYSICS. - ISSN 0021-8979. - STAMPA. - 68:(1990), pp. 3484-3492.
THERMAL EVOLUTION FROM A PRECURSOR TO THE Y-BA-CU-O SUPERCONDUCTOR - X-RAY ABSORPTION-SPECTROSCOPY STUDY AND APPLICATION TO THICK-FILM TECHNOLOGY
PRUDENZIATI, Maria
1990
Abstract
The local structure around Cu and Y atoms in a Y-Ba-Cu-O precursor prepared by spray pyrolysis was investigated by x-ray absorption spectroscopy. Near-edge and extended x-ray absorption fine structure analysis, together with powder diffraction measurements, give detailed information about structure and morphology of the precursor, as well as a clear picture of its thermal evolution towards the superconducting phase. Thick films prepared starting from this precursor are characterized. Their excellent properties exemplify possible applications of this material.
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