SUPERCONDUCTING PROPERTIES OF MgB2 COMPOSITES CONTAINING TYPE I SUPERCONDUCTING METALS

被引:1
作者
Ahn, Jung-Ho [1 ]
Oh, Sangjun [2 ]
机构
[1] Andong Natl Univ, Dept Mat Engn, Andong 760749, Gyungbuk, South Korea
[2] Natl Fus Res Inst, KSSTAR Res Ctr, Taejon 305333, South Korea
来源
MODERN PHYSICS LETTERS B | 2009年 / 23卷 / 31-32期
关键词
Superconductor; magnesium diboride; flux melting; sintering;
D O I
10.1142/S0217984909021958
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have examined superconducting property of MgB2, containing Type 1 elemental superconductor, Pb. The results showed double transition temperatures of superconductivity. Although the addition of Pb considerably improved grain connectivity of MgB2, the presence of Type I superconducting phase (Pb) degraded the superconductivity of composites by flux creep.
引用
收藏
页码:3887 / 3891
页数:5
相关论文
共 7 条
[1]  
ABRIKOSOV AA, 1957, SOV PHYS JETP-USSR, V5, P1174
[2]   Pore structures and grain connectivity of bulk MgB2 [J].
Ahn, J. -H. ;
Oh, S. .
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2009, 469 (15-20) :1235-1238
[3]   THEORY OF SUPERCONDUCTIVITY [J].
BARDEEN, J ;
COOPER, LN ;
SCHRIEFFER, JR .
PHYSICAL REVIEW, 1957, 108 (05) :1175-1204
[4]  
DEGENNES PG, 1995, SUPERCONDUCTIVITY ME
[5]   Short initial announcements. [J].
Meissner, W ;
Ochsenfeld, R .
NATURWISSENSCHAFTEN, 1933, 21 :787-788
[6]   Superconductivity at 39 K in magnesium diboride [J].
Nagamatsu, J ;
Nakagawa, N ;
Muranaka, T ;
Zenitani, Y ;
Akimitsu, J .
NATURE, 2001, 410 (6824) :63-64
[7]  
ONNES KH, 1911, COMM PHYS LAB U LEID, P12