A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Strongly Enhanced Growth of High-Temperature Superconducting Films on an Advanced Metallic Template
Tekijät: Khan Mukarram Z, Rivasto Elmeri, Rijckaert Hannes, Zhao Yue, Liedke Maciej O, Butterling Maik, Wagner Andreas, Van Driessche Isabel, Huhtinen Hannu, Paturi Petriina
Kustantaja: AMER CHEMICAL SOC
Julkaisuvuosi: 2022
Journal: Crystal Growth and Design
Tietokannassa oleva lehden nimi: CRYSTAL GROWTH & DESIGN
Lehden akronyymi: CRYST GROWTH DES
Vuosikerta: 22
Numero: 4
Aloitussivu: 2097
Lopetussivu: 2104
Sivujen määrä: 8
ISSN: 1528-7483
DOI: https://doi.org/10.1021/acs.cgd.1c01101
Verkko-osoite: https://pubs.acs.org/doi/10.1021/acs.cgd.1c01101
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/175919384
We demonstrate a straightforward and easily applied technique for growing BaZrO3 doped YBa2Cu3O6+x films of highly improved quality on a commercially used buffered metallic template by pulsed laser deposition. Our method relies on reducing the grain size of the target material, which completely prevents the transfer of the harmful grain boundaries or weak links from the substrate through the buffer layers on the deposited film. We have also observed a great improvement in the self-assembly of BaZrO3 dopants, and the critical current density is increased in the high temperature range up to 40%. As an extra benefit, our method allows us to increasing the growth rate of the film by 25%. We have discussed the results comprehensively and provided quantitative insight into the underlying mechanisms. The presented technique can be considered a groundbreaking advancement for the vastly growing coated conductor industry.
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