Development of modified MOD-TFA approach for YBCO film growth

M. S. Bhuiyan; M. Paranthaman; S. Sathyamurthy; R. D. Hunt; F. A. List; R. C. Duckworth

doi:10.1109/TASC.2007.898909

Development of modified MOD-TFA approach for YBCO film growth

M. S. Bhuiyan, M. Paranthaman, S. Sathyamurthy, R. D. Hunt, F. A. List, R. C. Duckworth

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Low-cost coated-conductor fabrication methods are essential for various electric-power applications. Metal-organic-deposition (MOD) approach to grow both YBa₂Cu₂O_7-δ (YBCO) and buffer layers on textured metal substrates is very promising towards fabrication of lower-cost second generation wires. YBCO coated conductors (CC) are being developed with high critical currents that should be sufficient for their extensive use in power applications. However, the present CC has high energy losses in ac magnetic field that are unacceptable. We have developed a modified MOD precursor route to deposit ∼ 0.8 μm thick YBCO films in a single coat that requires less than one-fifth of the pyrolysis time compared to the traditional MOD approach. We have also developed a filamentization technique of CC using ink-jet printing to reduce ac losses due to applied ac fields. The preliminary results of YBCO films deposited on standard RA-BiTS (CeO ₂/YSZ/Y₂O₂/Ni - W) template yielded an I _c of 140 A/cm at 77 K and self- field. A modest reduction of ac loss was observed for the solution ink-jet printed filamentary conductor.

Original language	English
Pages (from-to)	3557-3560
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	17
Issue number	2
DOIs	https://doi.org/10.1109/TASC.2007.898909
State	Published - Jun 2007

Funding

Manuscript received August 29, 2006. This work was supported by the Office of Electricity Delivery and Energy Reliability (OE), US Department of Energy. This research was performed at the Oak Ridge National Laboratory, managed by UT-Battelle, LLC for the USDOE under contract DE-AC05-00OR22725. M. S. Bhuiyan, M. Paranthaman, and S. Sathyamurthy are with the Chemical Science Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA (e-mail: [email protected]; [email protected]; [email protected]). R. D. Hunt is with the Nuclear Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA (e-mail: [email protected]). F. A. List is with the Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA (e-mail: [email protected]). R. C. Duckworth is with the Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA (e-mail: [email protected]). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2007.898909

Funders	Funder number
U.S. Department of Energy
Office of Electricity Delivery and Energy Reliability

Keywords

Epitaxial growth
High-temperature superconductors
Superconducting filaments and wires

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10.1109/TASC.2007.898909

Cite this

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abstract = "Low-cost coated-conductor fabrication methods are essential for various electric-power applications. Metal-organic-deposition (MOD) approach to grow both YBa2Cu2O7-δ (YBCO) and buffer layers on textured metal substrates is very promising towards fabrication of lower-cost second generation wires. YBCO coated conductors (CC) are being developed with high critical currents that should be sufficient for their extensive use in power applications. However, the present CC has high energy losses in ac magnetic field that are unacceptable. We have developed a modified MOD precursor route to deposit ∼ 0.8 μm thick YBCO films in a single coat that requires less than one-fifth of the pyrolysis time compared to the traditional MOD approach. We have also developed a filamentization technique of CC using ink-jet printing to reduce ac losses due to applied ac fields. The preliminary results of YBCO films deposited on standard RA-BiTS (CeO 2/YSZ/Y2O2/Ni - W) template yielded an I c of 140 A/cm at 77 K and self- field. A modest reduction of ac loss was observed for the solution ink-jet printed filamentary conductor.",

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Development of modified MOD-TFA approach for YBCO film growth

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