Enhanced Jc-B properties of MgB2 tapes by yttrium acetate doping

Dongliang Wang; Zhaoshun Gao; Xianping Zhang; Chao Yao; Chengduo Wang; Shuxia Zhang; Yanwei Ma; Satoshi Awaji; Kazuo Watanabe

doi:10.1088/0953-2048/24/7/075002

Enhanced J_c-B properties of MgB₂ tapes by yttrium acetate doping

Dongliang Wang, Zhaoshun Gao, Xianping Zhang, Chao Yao, Chengduo Wang, Shuxia Zhang, Yanwei Ma, Satoshi Awaji, Kazuo Watanabe

IMR - High Field Laboratory for Superconducting Materials

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

11 Citations (Scopus)

Abstract

We report the effect of yttrium acetate addition on in situ powder-in-tube processed MgB₂/Fe tapes. The amount of yttrium acetate was varied from 0 to 20wt% and sintering was performed at 700-850 °C for 1h in a flowing Ar atmosphere. We found that a significant J_c-B enhancement was easily achieved in high field by yttrium acetate doping. At 4.2K, the transport J_c for the best yttrium-acetate-added tapes (10wt%) reached almost 10⁴Acm^{- 2} at 12T. The improvement of J_c performance in the yttrium-acetate-doped samples can be attributed to the combination of the carbon substitution for B and stronger flux pinning.

Original language	English
Article number	075002
Journal	Superconductor Science and Technology
Volume	24
Issue number	7
DOIs	https://doi.org/10.1088/0953-2048/24/7/075002
Publication status	Published - 2011 Jul

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title = "Enhanced Jc-B properties of MgB2 tapes by yttrium acetate doping",

abstract = "We report the effect of yttrium acetate addition on in situ powder-in-tube processed MgB2/Fe tapes. The amount of yttrium acetate was varied from 0 to 20wt% and sintering was performed at 700-850 °C for 1h in a flowing Ar atmosphere. We found that a significant Jc-B enhancement was easily achieved in high field by yttrium acetate doping. At 4.2K, the transport Jc for the best yttrium-acetate-added tapes (10wt%) reached almost 104Acm- 2 at 12T. The improvement of Jc performance in the yttrium-acetate-doped samples can be attributed to the combination of the carbon substitution for B and stronger flux pinning.",

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T1 - Enhanced Jc-B properties of MgB2 tapes by yttrium acetate doping

AU - Wang, Dongliang

AU - Gao, Zhaoshun

AU - Zhang, Xianping

AU - Yao, Chao

AU - Wang, Chengduo

AU - Zhang, Shuxia

AU - Ma, Yanwei

AU - Awaji, Satoshi

AU - Watanabe, Kazuo

PY - 2011/7

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N2 - We report the effect of yttrium acetate addition on in situ powder-in-tube processed MgB2/Fe tapes. The amount of yttrium acetate was varied from 0 to 20wt% and sintering was performed at 700-850 °C for 1h in a flowing Ar atmosphere. We found that a significant Jc-B enhancement was easily achieved in high field by yttrium acetate doping. At 4.2K, the transport Jc for the best yttrium-acetate-added tapes (10wt%) reached almost 104Acm- 2 at 12T. The improvement of Jc performance in the yttrium-acetate-doped samples can be attributed to the combination of the carbon substitution for B and stronger flux pinning.

AB - We report the effect of yttrium acetate addition on in situ powder-in-tube processed MgB2/Fe tapes. The amount of yttrium acetate was varied from 0 to 20wt% and sintering was performed at 700-850 °C for 1h in a flowing Ar atmosphere. We found that a significant Jc-B enhancement was easily achieved in high field by yttrium acetate doping. At 4.2K, the transport Jc for the best yttrium-acetate-added tapes (10wt%) reached almost 104Acm- 2 at 12T. The improvement of Jc performance in the yttrium-acetate-doped samples can be attributed to the combination of the carbon substitution for B and stronger flux pinning.

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Enhanced J_c-B properties of MgB₂ tapes by yttrium acetate doping

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