HETEROEPITAXIAL GROWTH OF STRAINED MULTILAYER SUPERCONDUCTING THIN-FILMS OF ND1.83CE0.17CUOX YBA2CU3O7-DELTA

被引：83

作者：

GUPTA, A

GROSS, R

OLSSON, E

SEGMULLER, A

KOREN, G

TSUEI, CC

机构：

[1] IBM Thomas J. Watson Research Center

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.64.3191

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Heteroepitaxial growth of strained multilayer thin films of YBa2Cu3O7-/Nd1.83Ce0.17CuOx by pulsed-laser deposition is reported. The coherency strain results in biaxial compression of the tetragonal Nd1.83Ce0.17CuOx layers, whereas the biaxial tension in the YBa2Cu3O7- layers removes the orthorhombic distortion and makes the unit cell isotropic in the basal plane (a=b). Depending on their oxygen content, either the YBa2Cu3O7- or the Nd1.83Ce0.17CuOx layers are superconducting in these multilayers. The strain-induced structural modification has a significant influence on the superconducting transition temperature of the YBa2Cu3O7- layers. © 1990 The American Physical Society.

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页码：3191 / 3194

页数：4

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