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Optimized BaZrO3 nanorod density in YBa2Cu3O6+x matrix for high field applications

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Abstract
To maximize the flux pinning in high-temperature superconductor (HTS) thin film applications, we have experimentally studied the effect of BaZrO3 (BZO) nanorod density within the YBa2Cu3O6+x (YBCO) lattice. Even though the BZO decreases the self-field critical current density J(c) (0) and the absolute J(c) (B) at high fields is observed being the highest for 4% BZO doped YBCO, the maximized pinning property is observed at the level of 10% of BZO, when the distance between the outer edge of the nanorods is in the order of the diameter of the nanorod. In general, as also theoretically calculated, the flux pinning is increased even above 10% of BZO, but the improvement is limited by disturbance of the nanorod growth, weakening the flux pinning and decreasing the absolute J(c) drastically. The results evidently show that by maximizing the flux pinning using higher BZO doping concentration than earlier expected and taking care of the maximum self-field J(c)(0), which is strongly dependent on the electron mean free path, would offer the keys to resolve the challenges in the future HTS power applications.
Keywords
Materials Chemistry, Electrical and Electronic Engineering, Metals and Alloys, Condensed Matter Physics, Ceramics and Composites, BZO doped YBCO, thin film, HTS superconductors, flux pinning, critical current density, YBA2CU3O7-DELTA THIN-FILMS, SELF-ASSEMBLED NANODOTS, COATED CONDUCTORS, YBCO FILMS, MICROSTRUCTURES, DEFECT

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MLA
Aye, Moe Moe, et al. “Optimized BaZrO3 Nanorod Density in YBa2Cu3O6+x Matrix for High Field Applications.” SUPERCONDUCTOR SCIENCE & TECHNOLOGY, vol. 35, no. 7, 2022, doi:10.1088/1361-6668/ac6cac.
APA
Aye, M. M., Rivasto, E., Rijckaert, H., Palonen, H., Huhtinen, H., Van Driessche, I., & Paturi, P. (2022). Optimized BaZrO3 nanorod density in YBa2Cu3O6+x matrix for high field applications. SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 35(7). https://doi.org/10.1088/1361-6668/ac6cac
Chicago author-date
Aye, Moe Moe, Elmeri Rivasto, Hannes Rijckaert, Heikki Palonen, Hannu Huhtinen, Isabel Van Driessche, and Petriina Paturi. 2022. “Optimized BaZrO3 Nanorod Density in YBa2Cu3O6+x Matrix for High Field Applications.” SUPERCONDUCTOR SCIENCE & TECHNOLOGY 35 (7). https://doi.org/10.1088/1361-6668/ac6cac.
Chicago author-date (all authors)
Aye, Moe Moe, Elmeri Rivasto, Hannes Rijckaert, Heikki Palonen, Hannu Huhtinen, Isabel Van Driessche, and Petriina Paturi. 2022. “Optimized BaZrO3 Nanorod Density in YBa2Cu3O6+x Matrix for High Field Applications.” SUPERCONDUCTOR SCIENCE & TECHNOLOGY 35 (7). doi:10.1088/1361-6668/ac6cac.
Vancouver
1.
Aye MM, Rivasto E, Rijckaert H, Palonen H, Huhtinen H, Van Driessche I, et al. Optimized BaZrO3 nanorod density in YBa2Cu3O6+x matrix for high field applications. SUPERCONDUCTOR SCIENCE & TECHNOLOGY. 2022;35(7).
IEEE
[1]
M. M. Aye et al., “Optimized BaZrO3 nanorod density in YBa2Cu3O6+x matrix for high field applications,” SUPERCONDUCTOR SCIENCE & TECHNOLOGY, vol. 35, no. 7, 2022.
@article{8752668,
  abstract     = {{To maximize the flux pinning in high-temperature superconductor (HTS) thin film applications, we have experimentally studied the effect of BaZrO3 (BZO) nanorod density within the YBa2Cu3O6+x (YBCO) lattice. Even though the BZO decreases the self-field critical current density J(c) (0) and the absolute J(c) (B) at high fields is observed being the highest for 4% BZO doped YBCO, the maximized pinning property is observed at the level of 10% of BZO, when the distance between the outer edge of the nanorods is in the order of the diameter of the nanorod. In general, as also theoretically calculated, the flux pinning is increased even above 10% of BZO, but the improvement is limited by disturbance of the nanorod growth, weakening the flux pinning and decreasing the absolute J(c) drastically. The results evidently show that by maximizing the flux pinning using higher BZO doping concentration than earlier expected and taking care of the maximum self-field J(c)(0), which is strongly dependent on the electron mean free path, would offer the keys to resolve the challenges in the future HTS power applications.}},
  articleno    = {{075006}},
  author       = {{Aye, Moe Moe and Rivasto, Elmeri and Rijckaert, Hannes and Palonen, Heikki and Huhtinen, Hannu and Van Driessche, Isabel and Paturi, Petriina}},
  issn         = {{0953-2048}},
  journal      = {{SUPERCONDUCTOR SCIENCE & TECHNOLOGY}},
  keywords     = {{Materials Chemistry,Electrical and Electronic Engineering,Metals and Alloys,Condensed Matter Physics,Ceramics and Composites,BZO doped YBCO,thin film,HTS superconductors,flux pinning,critical current density,YBA2CU3O7-DELTA THIN-FILMS,SELF-ASSEMBLED NANODOTS,COATED CONDUCTORS,YBCO FILMS,MICROSTRUCTURES,DEFECT}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{10}},
  title        = {{Optimized BaZrO3 nanorod density in YBa2Cu3O6+x matrix for high field applications}},
  url          = {{http://doi.org/10.1088/1361-6668/ac6cac}},
  volume       = {{35}},
  year         = {{2022}},
}

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