Compositional and microstructural analysis of high Ic and Jc Bi-2212 conductors

被引：15

作者：

Holesinger, TG ^{[1
]}

Kennison, JA

Marken, KR

Miao, HP

Meinesz, M

Campbell, S

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[2] Oxford Superconducting Technol, Carteret, NJ USA

[3] SCI Engineered Prod, Columbus, OH USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2005年 / 15卷 / 02期

关键词：

bismuth compounds; composition; high temperaturensuperconductivity; microscopy;

D O I：

10.1109/TASC.2005.847652

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Compositional analysis of the Bi2Sr2CaCu2Oy (Bi-2212) and secondary phases in high-current Bi-2212 conductors was performed. The composition of the Bi-2212 phase in dip-coated Bi-2212 tapes tended toward the Sr-rich end of the Bi-2212 solid solution. The strontium and calcium contents of the Bi-2212 phase in round wire tended to lie closer to the starting composition of the powder. In all cases, there was an excess of bismuth and a deficiency of the alkaline earths with respect to the ideal 2212 stoichiometry. Microstructural analysis by transmission electron microscopy has shown the presence of Bi-2201 intergrowths within Bi-2212 grains and amorphous layers within the colonies of Bi-2212.

引用

收藏

页码：2562 / 2565

页数：4

相关论文

共 23 条

[11] Spatial variations in composition in high-critical-current-density Bi-2223 tapes [J].

Holesinger, TG ;

Bingert, JF ;

Teplitsky, M ;

Li, Q ;

Parrella, R ;

Rupich, MP ;

Riley, GN .

JOURNAL OF MATERIALS RESEARCH, 2000, 15 (02) :285-295

[12] BSCCO-2212 conductor development at Oxford Superconducting Technology [J].

Marken, KR ;

Miao, H ;

Meinesz, M ;

Czabaj, B ;

Hong, S .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2003, 13 (02) :3335-3338

[13] Processing issues for high critical current density in BSCCO-2212 composites [J].

Marken, KR ;

Miao, HP ;

Sowa, JM ;

Parrell, JA ;

Hong, S .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2001, 11 (01) :3252-3255

[14] Improvement of the microstructure and critical current densities of Bi-2212 round wires with a precisely controlled heat treatment [J].

Matsumoto, A ;

Kitaguchi, H ;

Kumakura, H ;

Nishioka, J ;

Hasegawa, T .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2004, 17 (08) :989-992

[15] Bi2Sr2CaCu2Ox/Ag multilayer tapes with Jc>500000A/cm2 at 4.2 K and 10 T by using pre-annealing and intermediate rolling process [J].

Miao, H ;

Kitaguchi, H ;

Kumakura, H ;

Togano, K ;

Hasegawa, T ;

Koizumi, T .

PHYSICA C, 1998, 303 (1-2) :81-90

[16] QUANTITATIVE ENERGY DISPERSIVE-X-RAY ANALYSIS OF BIR-SR-CA-CU-O COMPOUNDS USING STANDARDS [J].

MILLER, DJ ;

HOLESINGER, TG .

APPLIED SUPERCONDUCTIVITY, 1993, 1 (1-2) :121-129

[17] COMPOSITIONAL RANGE OF THE BI2SR2CACU2OX HTC-SUPERCONDUCTOR AND ITS SURROUNDING PHASES [J].

MULLER, R ;

SCHWEIZER, T ;

BOHAC, P ;

SUZUKI, RO ;

GAUCKLER, LJ .

PHYSICA C, 1992, 203 (3-4) :299-314

[18] Fabrication and test results for Rutherford-type cables made from BSCCO strands [J].

Scanlan, RM ;

Dietderich, DR ;

Higley, HC ;

Marken, KR ;

Motowidlo, LR ;

Sokolowski, R ;

Hasegawa, T .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1999, 9 (02) :130-133

[19]

VANDERAH TA, 1997, PHASE DIAGRAMS HIGH, V2

[20] The generation of 25.05 T using a 5.11 T Bi2Sr2CaCU2Ox superconducting insert magnet [J].

Weijers, HW ;

Trociewitz, UP ;

Marken, K ;

Meinesz, M ;

Miao, H ;

Schwartz, J .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2004, 17 (04) :636-644