Current transport property in GdBCO coated conductor with artificial pinning centers in a wide range of temperature, magnetic field up to 27T, and field angle

Inoue, Masayoshi; Fuger, R.; Higashikawa, Kohei; Kiss, Takanobu; Namba, M.; Awaji, Satoshi; Watanabe, Kazuo; Ibi, A.; Miyata, S.; Yamada, Yutaka; Izumi, Teruo

doi:10.1016/j.physc.2010.05.096

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“…It suggests that the pinning mechanism of GdBCO coated conductor is similar to that of CVD-YBCO coated conductor [11]. The angular dependence of n-value, which will be investigated in the near future, will show similar shape to that of J c at 77 K, but will show an inverse correlation in lower temperatures [12]. The reason of the minimum value of nvalue is not clear at present.…”

Section: Transport Propertiesmentioning

confidence: 90%

Transport property measurement of practical coated conductor with copper stabilizer

Nishijima

Kitaguchi

Awaji

et al. 2012

AIP Conference Proceedings

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The transport properties of a 5-mm-wide practical PLD-GdBa 2 Cu 3 O y (GdBCO) coated conductor, which has a 100 μm thickness copper stabilizer, was evaluated. Critical currents were measured up to 600 A in magnetic fields (parallel and perpendicular to the conductor surface) up to 12 T and in a temperature range of 4.2 to 85 K. The temperature dependence of n-value and the power law decay of J c in low field were evaluated. I c anisotropy and pinning properties were also discussed. The results suggest that random pinning dominates the pinning mechanism of the practical GdBCO coated conductor.

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Section: Transport Propertiesmentioning

confidence: 90%