Water-Immersion-Induced Surface Reactions of EuBa 2 Cu 3 O y Thin Films

Water-Immersion-Induced Surface Reactions of EuBa 2 Cu 3 O y Thin Films

Photoelectron spectroscopy was performed on EuBa 2 Cu 3 O y thin films before and after immersion into de-ionized pure water to clarify the water immersion effect on copper oxide superconductors during water rinsing in device fabrication. The surface Ba compounds were found to drastically decrease,...

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Veröffentlicht in:Japanese Journal of Applied Physics 1995-02, Vol.34 (2S), p.1396
Hauptverfasser: Kiyokura, Takanori, Maeda, Fumihiko, Watanabe, Yoshio, Oshima, Masaharu, Asano, Hidehumi, Minoru Suzuki, Minoru Suzuki
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Sprache:eng
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Zusammenfassung:Photoelectron spectroscopy was performed on EuBa 2 Cu 3 O y thin films before and after immersion into de-ionized pure water to clarify the water immersion effect on copper oxide superconductors during water rinsing in device fabrication. The surface Ba compounds were found to drastically decrease, while a short (5 minutes) water immersion of epitaxial-quality thin films barely affected bulk EuBa 2 Cu 3 O y .
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.34.1396