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

Research output: Contribution to journalArticle

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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.

Original languageEnglish
Article number090304
JournalJapanese Journal of Applied Physics
Volume53
Issue number9
DOIs
Publication statusPublished - Jan 1 2014

Fingerprint

Flux pinning
flux pinning
Growth temperature
Nanorods
nanorods
microstructure
Microstructure
Pulsed laser deposition
pulsed laser deposition
Seed
seeds
Magnetic fields
magnetic fields

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Flux pinning properties and microstructures of a SmBa2Cu 3Oy 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 journalArticle

Miura, Shun ; Yoshida, Yutaka ; Ichino, Yusuke ; Tsuruta, Akihiro ; Matsumoto, Kaname ; Ichinose, Ataru ; Awaji, Satoshi. / Flux pinning properties and microstructures of a SmBa2Cu 3Oy film with high number density of BaHfO3 nanorods deposited by using low-temperature growth technique. In: Japanese Journal of Applied Physics. 2014 ; Vol. 53, No. 9.
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AU - Matsumoto, Kaname

AU - Ichinose, Ataru

AU - Awaji, Satoshi

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