Flux pinning properties of splayed columnar defects ranging from -axis to -plane in GdBCO coated conductors

Sueyoshi, Tetsuro*; Furuki, Yuichi*; Kai, Takashi*; Fujiyoshi, Takanori*; Ishikawa, Norito

GdBa $_{2}$ Cu $_{3}$ O $_{y}$ (GdBCO) coated conductors were irradiated using 270 MeV Xe ions at crossing angles $_{rm i}$ relative to the -axis, in order to clarify the flux pinning properties of splayed columnar defects (splayed CDs) not only around -axis, but also around -plane. For the splayed CDs with smaller $_{rm i}$ (i.e. crossing around the -axis), a single peak is observed around -plane in the angular dependence of critical current density $J_{rm c}$ , which are attributed to the splay effect by the crossed CDs. For the splayed CDs with larger $_{rm i}$ (i.e. crossing around the -plane), on the other hand, two sharp $J_{rm c}$ peaks emerge near two irradiation angles $_{rm i}$ and the $J_{rm c}$ at -plane indicates not a peak but a dip structure.

Language	:	English
Journal	:	Physica C
Volume	:	504
Number	:
Pages	:	p.53 - 56
Publication Year/Month	:	2014/09
Meeting title	:	26th International Symposium on Superconductivity (ISS 2013)
Held date	:	2013/11
Location (city)	:	Tokyo
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/j.physc.2014.02.012
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	イオン照射
Research Facility	:	タンデム加速器
Press Release	:
JAEA R&D Navigator	:
Cooperating Institute	:	熊本大学

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Registration No. : BB20143266
JAEA Abstracts No. :
Paper Submission No. : 30394

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