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Influence of Cu addition on microstructure and transport properties in MgB2 tapes

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11 Author(s)
Jae-Woong Ko ; Mater. Eng. Dept., Seoul Nat. Univ., Changwon, South Korea ; J. Yoo ; Young-Kuk Kim ; Hai-Doo Kim
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Stainless steel sheathed MgB2 tapes with Cu addition were fabricated by PIT method. The influence of Cu content on microstructure and the critical-current density (Jc) of the tapes has been studied. The Jc value of MgB2 tapes was increased from 1500 A/cm2 to 4500 A/cm2 at 4.2 K and 5 T due to Cu addition. Jc-B curves show enhancement in Jc(B), which suggests that the microstructure and transport properties of MgB2 have been improved with Cu addition.

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IEEE Transactions on Applied Superconductivity  (Volume:13 ,  Issue: 2 )