Strongly enhanced critical current density in MgB2/Fe tapes by stearic acid and stearate doping

CORC > 物理研究所 > 物理所公开发表论文 > 期刊论文

	Strongly enhanced critical current density in MgB2/Fe tapes by stearic acid and stearate doping
	Gao, ZS ; Ma, YW ; Zhang, XP ; Wang, DL ; Yu, ZG ; Watanabe, K ; Yang, HA ; Wen, HH
刊名	SUPERCONDUCTOR SCIENCE & TECHNOLOGY
	2007
卷号	20 期号:5 页码:485
ISSN号	0953-2048
中文摘要	Fe-sheathed MgB2 tapes with cheap stearic acid, Mg stearate and Zn stearate doping were prepared through the in situ powder-in-tube method. It is found that J(c), H-irr and H-c2 were significantly enhanced by doping. Compared to the pure tapes, J(c) for all the doped samples was improved by more than an order of magnitude in a high-field regime. At 4.2 K, the transport J(c) reached 2.02 x 10(4) A cm(-2) at 10 T for the Zn stearate doped tapes and 3.72 x 10(3) A cm(-2) at 14 T for the stearic acid doped samples, respectively. Moreover, at 20 K, H-irr for the Zn stearate doped tape achieved 10 T, which is comparable to that of the commercial NbTi at 4.2 K. The improvement of J(c)-H properties in doped samples can be attributed to the increase of H-c2 resulting from the incorporation of C atoms into the MgB2 crystal lattice as well as a high density of flux-pinning centres.
收录类别	SCI
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/53183]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Gao, ZS,Ma, YW,Zhang, XP,et al. Strongly enhanced critical current density in MgB2/Fe tapes by stearic acid and stearate doping[J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY,2007,20(5):485.
APA	Gao, ZS.,Ma, YW.,Zhang, XP.,Wang, DL.,Yu, ZG.,...&Wen, HH.(2007).Strongly enhanced critical current density in MgB2/Fe tapes by stearic acid and stearate doping.SUPERCONDUCTOR SCIENCE & TECHNOLOGY,20(5),485.
MLA	Gao, ZS,et al."Strongly enhanced critical current density in MgB2/Fe tapes by stearic acid and stearate doping".SUPERCONDUCTOR SCIENCE & TECHNOLOGY 20.5(2007):485.