Modification of vortex behavior through heavy ion lithography

被引：58

作者：

Kwok, WK

Olsson, RJ

Karapetrov, G

Welp, U

Vlasko-Vlasov, V

Kadowaki, K

Crabtree, GW

机构：

[1] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA

[2] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2002年 / 382卷 / 01期

关键词：

YBCO; Bi-2212; columnar defects; vortex pinning;

D O I：

10.1016/S0921-4534(02)01213-3

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Columnar defects induced by high-energy heavy ion irradiation constitute one of the most effective vortex pinning sites in high temperature superconductors. We demonstrate a novel method of effectively patterning vortex pinning sites in single crystals of the high temperature superconductors YBa2Cu3O7-d and Bi2Sr2CaCu2Ox using heavy ion irradiation. These patterns include linear channels, a lattice of squares, and asymmetric pinning gradient sites where vortices can either flow unimpeded or are trapped in spatially periodic arrangements. (C) 2002 Elsevier Science B.V. All rights reserved.

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收藏

页码：137 / 141

页数：5

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