Significant reduction of AC losses in YBCO patterned coated conductors with transposed filaments

被引：33

作者：

Abraimov, Dmytro ^{[1
]}

Gurevich, Alex ^{[1
]}

Polyanskii, Anatolii ^{[1
]}

Cai, X. Y. ^{[1
]}

Xu, Aixia ^{[1
]}

Pamidi, Sastry ^{[2
]}

Larbalestier, David ^{[1
]}

Thieme, C. L. H. ^{[3
]}

机构：

[1] Florida State Univ, Ctr Appl Superconduct, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA

[2] Florida State Univ, Ctr Adv Power Syst, Tallahassee, FL 32306 USA

[3] Amer Superconductor Corp, Devens, MA USA

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2008年 / 21卷 / 08期

关键词：

D O I：

10.1088/0953-2048/21/8/082004

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on a first implementation of a design which provides a significant reduction of AC losses in YB(2)Cu(3)O(7-delta) (YBCO) coated conductors (CCs) without mechanical twisting. The conductor is composed of two diffusively bonded silver clad commercial CCs with zigzag patterned filaments partially separated by a dielectric layer. We produced three fully bonded samples with 500 mu m wide filaments using three-stage photolithography and wet chemical etching. A tenfold reduction of AC losses at frequencies between 20 and 400 Hz was observed, while transport measurements and magneto-optical imaging showed no degradation of T(c) and a low contact resistance of similar or equal to 10(-8) Omega cm(2) between Ag and YB(2)Cu(3)O(7-delta).

引用

页数：4

共 19 条

[1] AC loss reduction of YBCO coated conductors by multifilamentary structure [J].

Amemiya, N ;

Kasai, S ;

Yoda, K ;

Jiang, ZN ;

Levin, GA ;

Barnes, PN ;

Oberly, CE .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2004, 17 (12) :1464-1471

[2] A strategy for the reduction of ac losses in YBCO coated conductors [J].

Ashworth, SP ;

Grilli, F .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2006, 19 (02) :227-232

[3] Low AC loss structures in YBCO coated conductors with filamentary current sharing [J].

Barnes, PN ;

Levin, GA ;

Varanasi, C ;

Sumption, MD .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2005, 15 (02) :2827-2830

[4]

CARR WJ, 2001, AC LOSSES MACROSCOPI

[5] CURRENT TRANSFER IN MULTIFILAMENTARY SUPERCONDUCTORS .1. THEORY [J].

EKIN, JW .

JOURNAL OF APPLIED PHYSICS, 1978, 49 (06) :3406-3409

[6] HIGH-TC SUPERCONDUCTOR NOBLE-METAL CONTACTS WITH SURFACE RESISTIVITIES IN THE 10-10 OMEGA-CM2 RANGE [J].

EKIN, JW ;

LARSON, TM ;

BERGREN, NF ;

NELSON, AJ ;

SWARTZLANDER, AB ;

KAZMERSKI, LL ;

PANSON, AJ ;

BLANKENSHIP, BA .

APPLIED PHYSICS LETTERS, 1988, 52 (21) :1819-1821

[7] Materials science challenges for high-temperature superconducting wire [J].

Foltyn, S. R. ;

Civale, L. ;

Macmanus-Driscoll, J. L. ;

Jia, Q. X. ;

Maiorov, B. ;

Wang, H. ;

Maley, M. .

NATURE MATERIALS, 2007, 6 (09) :631-642

[8]

GUREVICH A, 2003, YBCO COATED CO UNPUB

[9] AC losses of YBCO strips on YSZ/hastelloy substrates [J].

Herrmann, J ;

Müller, KH ;

Savvides, N ;

Gnanarajan, S ;

Thorley, A ;

Katsaros, A .

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2000, 341 :2493-2494

[10] Current transfer at superconducting Bi2Sr2CaCu2O8+δ-Ag joints [J].

Kursumovic, A ;

Baranowski, RP ;

Glowacki, BA ;

Evetts, JE .

JOURNAL OF APPLIED PHYSICS, 1999, 86 (03) :1569-1573

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