采用不同粒度的初始MgB2粉末,通过粉末套管法技术制备出非原位单芯MgB2/Fe超导带;测量了不同磁场和温度下MgB2/Fe带的Jc值.结果表明:Jc具有各向异性,其各向异性的大小受初始粉末尺寸的影响.对剥离铁包套后MgB2芯的XRD图拟合分析表明,MgB2均显示轻微的织构,MgB2/Fe界面处的织构稍强.MgB2的再结晶晶粒尺寸随初始粉末尺寸的增大而增大.讨论了粉末粒度和织构度与Jc各向异性的关联性.
参考文献
[1] | Nagamatzu J,Nakagawa N,Muranka T,Zenitanim Y,Akimitzu J.Nature,2001; 410:63 |
[2] | Kovac P,Husek I,Grovenor C,Salter C.Supercond Sci Technol,2003; 16:292 |
[3] | Kitaguchi H,Matzumoto A,Hatakeyama H.Supercond Sci Technol,2004; 17:486 |
[4] | Yamamoto K,Osamura K,Balamurugan S,Nakamura T,Hoshino T,Muta I.Supereond Sci Technol,2003; 16:1052 |
[5] | Suo H L,Beneduce C,Dhall M,Musolino N,Su X D,Flukiger R.Adv Cryog Eng,2002; 48:872 |
[6] | Suo H L,Beneduce C,Dhall M,Musolino N,Genoud J Y,Flukiger R.Appl Phys Lett,2001; 79:3116 |
[7] | Goldacker W,Schlachter S I,Obst B,Eisterer M.Supercond Sci Technol,2004; 17:490 |
[8] | Feng Y,Yan G,Zhao Y,Liu C F,Liu X H,Zhang P X,Zhou L,Sulpice A,Mossang E,Hebral B J.Phys Condens Matter,2004; 16:1803 |
[9] | Yamada H,Hirakawa M,Kumakura H,Matzumoto A.Appl Phys Lett,2004; 84:1728 |
[10] | Fliikiger R,Lezza P,Beneduce C,Musolino N,Suo H L.Supercond Sci Technol,2003; 16:264 |
[11] | Grasso G,Malagoli A,Marré D,Bellingeri E,Braccini V,Roncallo S,Scati N,Siri A S.Physica,2002; 378C:899 |
[12] | Flükiger R,Grasso G,Grivel J C,Marti F,Dhallé M,Huang Y.Supercond Sci Technol,1997; 10:68 |
[13] | Young R A.The Rietveld Method.Oxford,UK:Oxford Univesity Press,1993:156 |
[14] | Suo H L,Wang Y,Ma H X,Liu M,Zhao Y,Ma L,Li Y M,Zhang Z L,Zhou M L.Chin J Nonferrous Met,2006;to be published(索红莉,王颖,马红霞,刘敏,赵跃,马麟,李亚明,张子立,周美玲,中国有色金属学报,2006,待发表) |
[15] | Keijser T H,Langford J I,Mittemeier E J,Vogels B P.J Appl Cryst allogr,1982; 15:308 |
[16] | Choi E M,Kim H J,Gupta S K,Chowdhury P,Kim K H,Lee S I,Kang W N.Phys Rev,2004; 69B:224 |
[17] | Angst M,Puzniak R,Wisniewski A,Jun J,Kazakov S M,Karpinski J,Roos J,Keller H.Phys Rev Lett,2002; 88:16 |
[18] | Fliikiger R,Suo H L,Musolino N,Beneduce C,Toulemonde P,Lezza P.Physica,2003; 385C:286 |
[19] | Senatore C.PhD Dissertation Dipartimento di Fisica,Universitá degli studi di Salerno,Salerno,Italy,2004:167 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%