Flux pinning properties and microstructures of a SmBa2Cu 3Oy film with high number density of BaHfO3 nanorods deposited by using low-temperature growth technique

Shun Miura; Yutaka Yoshida; Yusuke Ichino; Akihiro Tsuruta; Kaname Matsumoto; Ataru Ichinose; Satoshi Awaji

doi:10.7567/JJAP.53.090304

Flux pinning properties and microstructures of a SmBa₂Cu ₃O_y film with high number density of BaHfO₃ nanorods deposited by using low-temperature growth technique

Shun Miura, Yutaka Yoshida, Yusuke Ichino, Akihiro Tsuruta, Kaname Matsumoto, Ataru Ichinose, Satoshi Awaji

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

20 Citations (Scopus)

Abstract

To enhance J_c in high magnetic fields, we fabricated a SmBa ₂Cu₃O_y (SmBCO) film with a high number density (2830/μm²) of BaHfO₃ (BHO) nanorods by pulsed laser deposition (PLD) adopting a low-temperature growth (LTG) technique (LTG-SmBCO + BHO). The LTG technique consists of seed layer deposition and subsequent film deposition at a lower temperature. The number density of BHO nanorods in the film was approximately 4 times higher than that in a BHO-doped SmBCO film fabricated by conventional PLD without a seed layer. The flux pinning performance of the LTG-SmBCO + BHO film (F_p = 23.8GN/m³ at 77K under 4.5 T) was comparable to the reported record high value of 28.3 GN/m³ at 77 K.

Original language	English
Article number	090304
Journal	Japanese Journal of Applied Physics
Volume	53
Issue number	9
DOIs	https://doi.org/10.7567/JJAP.53.090304
Publication status	Published - Jan 1 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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Flux pinning properties and microstructures of a SmBa₂Cu ₃O_y film with high number density of BaHfO₃ nanorods deposited by using low-temperature growth technique. / Miura, Shun; Yoshida, Yutaka; Ichino, Yusuke; Tsuruta, Akihiro; Matsumoto, Kaname; Ichinose, Ataru; Awaji, Satoshi.

In: Japanese Journal of Applied Physics, Vol. 53, No. 9, 090304, 01.01.2014.

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

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abstract = "To enhance Jc in high magnetic fields, we fabricated a SmBa 2Cu3Oy (SmBCO) film with a high number density (2830/μm2) of BaHfO3 (BHO) nanorods by pulsed laser deposition (PLD) adopting a low-temperature growth (LTG) technique (LTG-SmBCO + BHO). The LTG technique consists of seed layer deposition and subsequent film deposition at a lower temperature. The number density of BHO nanorods in the film was approximately 4 times higher than that in a BHO-doped SmBCO film fabricated by conventional PLD without a seed layer. The flux pinning performance of the LTG-SmBCO + BHO film (Fp = 23.8GN/m3 at 77K under 4.5 T) was comparable to the reported record high value of 28.3 GN/m3 at 77 K.",

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AU - Miura, Shun

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AU - Ichino, Yusuke

AU - Tsuruta, Akihiro

AU - Matsumoto, Kaname

AU - Ichinose, Ataru

AU - Awaji, Satoshi

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