New chemically stable, nano-size artificial flux pinning centres in (RE)-Ba-Cu-O superconductors

被引:58
作者
Babu, NH [1 ]
Reddy, ES [1 ]
Cardwell, DA [1 ]
Campbell, AM [1 ]
机构
[1] Univ Cambridge, Irc Superconduct, Cambridge CB3 0HE, England
基金
英国工程与自然科学研究理事会;
关键词
MAGNETIC-FIELDS;
D O I
10.1088/0953-2048/16/11/L03
中图分类号
O59 [应用物理学];
学科分类号
摘要
Chemically stable, nanoscale (<50 nm) Y2Ba4CuMOy (M = Nb, Ta, W, Mo, Zr, Hf, etc,) phase inclusions, which potentially form a new type of artificial pinning centre, have been introduced successfully for the first time into large, single grain (RE)-Ba-Cu-O bulk superconductors.
引用
收藏
页码:L44 / L45
页数:2
相关论文
共 6 条
[1]   The chemical composition of uranium-containing phase particles in U-doped Y-Ba-Cu-O melt processed superconductor [J].
Babu, NH ;
Kambara, M ;
Shi, Y ;
Cardwell, DA ;
Tarrant, CD ;
Schneider, KR .
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2003, 392 :110-115
[2]   Processing and microstructure of single grain, uranium-doped Y-Ba-Cu-O superconductor [J].
Babu, NH ;
Kambara, M ;
Shi, YH ;
Cardwell, DA ;
Tarrant, CD ;
Schneider, KR .
SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2002, 15 (01) :104-110
[3]   PERIODIC PIN ARRAY AT THE FLUXON LATTICE SCALE IN A HIGH-FIELD SUPERCONDUCTING WIRE [J].
COOLEY, LD ;
LEE, PJ ;
LARBALESTIER, DC ;
OLAREY, PM .
APPLIED PHYSICS LETTERS, 1994, 64 (10) :1298-1300
[4]   Trapped magnetic fields larger than 14 T in bulk YBa2Cu3O7-x [J].
Fuchs, G ;
Schätzle, P ;
Krabbes, G ;
Gruss, S ;
Verges, P ;
Müller, KH ;
Fink, J ;
Schultz, L .
APPLIED PHYSICS LETTERS, 2000, 76 (15) :2107-2109
[5]   High-temperature superconductor bulk magnets that can trap magnetic fields of over 17 tesla at 29 K [J].
Tomita, M ;
Murakami, M .
NATURE, 2003, 421 (6922) :517-520
[6]   A class of chemical pinning centers including two elements foreign to HTS [J].
Weinstein, R ;
Sawh, RP .
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2003, 383 (04) :438-444