Textured buffer layers for YBCO coated conductors by continuous sol-gel processing
2000 Applied Superconductivity Conference, Virginia Beach, VA, Amerika Birleşik Devletleri, 17 - 22 Eylül 2000, cilt.11, ss.2889-2892, (Tam Metin Bildiri)
- Yayın Türü: Bildiri / Tam Metin Bildiri
- Cilt numarası: 11
- Doi Numarası: 10.1109/77.919666
- Basıldığı Şehir: Virginia Beach, VA
- Basıldığı Ülke: Amerika Birleşik Devletleri
- Sayfa Sayıları: ss.2889-2892
- Anahtar Kelimeler: Buffer layer, Coated conductors, Sol-gel, Superconductivity, YBCO
- Ankara Yıldırım Beyazıt Üniversitesi Adresli: Hayır
Özet
In order to develop alternative buffer layers for YBCO coated conductors, RE2O3 (RE=La, Pr, Sm, Eu, Gd, Tb, Ho, Yb, and Lu) thin films were studied as candidate materials. Buffer layers were grown on Ni tapes using organometallic compounds that are 2,4-pentanedionates, isopropoxides, and acetates by a continuous, non-vacuum, sol-gel process. Films were annealed at 900°C-1200°C under 4%H2-Ar gas mixture. The buffer layers were characterized by means of ESEM, SEM, EDS, XRD and pole figure analysis. Textured, pinhole free crack free, continuous buffer layers were obtained by using 2,4-pentanedionates.