Enhanced flux pinning in MOD YBa2Cu3O7-d films by ion milling through anodic alumina templates. Develos-Bagarinao, K., Wimbush, S. C., Matsui, H., Yamaguchi, I., & MacManus-Driscoll, J. L. Superconductor Science and Technology, 25(6):065005, April, 2012. doi abstract bibtex A straightforward and reproducible method has been developed for creating \textless 100 nm wide, 400–600 nm long c-axis columnar defects in fluorine-free MOD YBCO films (∼700 nm thick) using ion milling through free-standing nanoporous anodic aluminum oxide membranes positioned in contact with the films. At 77.3 K, a moderate Jc increase of ∼50% was achieved in self-field, whereas at 1 T a more than doubling of Jc was observed along ab, part of this enhancement coming from uncorrelated pinning effective over all field directions. X-ray analysis confirmed an additional in-plane microstrain component which can be attributed to oxygen disorder induced during the ion milling process.
@article{develos-bagarinao_enhanced_2012,
title = {Enhanced flux pinning in {MOD} {YBa2Cu3O7}-d films by ion milling through anodic alumina templates},
volume = {25},
issn = {0953-2048},
doi = {10.1088/0953-2048/25/6/065005},
abstract = {A straightforward and reproducible method has been developed for creating {\textless} 100 nm wide, 400–600 nm long c-axis columnar defects in fluorine-free MOD YBCO films (∼700 nm thick) using ion milling through free-standing nanoporous anodic aluminum oxide membranes positioned in contact with the films. At 77.3 K, a moderate Jc increase of ∼50\% was achieved in self-field, whereas at 1 T a more than doubling of Jc was observed along ab, part of this enhancement coming from uncorrelated pinning effective over all field directions. X-ray analysis confirmed an additional in-plane microstrain component which can be attributed to oxygen disorder induced during the ion milling process.},
language = {en},
number = {6},
journal = {Superconductor Science and Technology},
author = {Develos-Bagarinao, K. and Wimbush, S. C. and Matsui, H. and Yamaguchi, I. and MacManus-Driscoll, J. L.},
month = apr,
year = {2012},
pages = {065005}
}
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