Interfacial defects in YBa2Cu3O7{plus 45 degree rule}PrBa2Cu3O7-heterostructures on SrTiO3 substrates

C. L. Jia; B. Kabius; H. Soltner; U. Poppe; K. Urban

doi:10.1016/0921-4534(90)90646-V

Interfacial defects in YBa₂Cu₃O₇{plus 45 degree rule}PrBa₂Cu₃O₇-heterostructures on SrTiO₃ substrates

C. L. Jia
, B. Kabius
, H. Soltner
, U. Poppe
, K. Urban

Jülich Research Centre

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The interfaces of YBa₂Cu₃O₇{plus 45 degree rule}PrBa₂Cu₃O₇-heterostructures grown epitaxially on [001]-SrTiO₃ substrates were investigated by means of high-resolution electron microscopy and electron diffraction. Misfit dislocation arrays could be observed in the YBa₂Cu₃O₇{plus 45 degree rule}PrBa₂Cu₃O₇ interfaces and inside the first YBa₂Cu₃O₇ layer close to the YBa₂Cu₃O₇/SrTiO₇₃ interface. In the PrBa₂Cu₃O₇ layers a structural modulation was found near the interface. This is explained by the ordering of oxygen vacancies due to compressive strain induced by the adjoining YBa₂Cu₃O₇ layers.

Original language	English
Pages (from-to)	81-89
Number of pages	9
Journal	Physica C: Superconductivity and its applications
Volume	172
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(90)90646-V
State	Published - 1 Dec 1990
Externally published	Yes

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title = "Interfacial defects in YBa2Cu3O7\{plus 45 degree rule\}PrBa2Cu3O7-heterostructures on SrTiO3 substrates",

abstract = "The interfaces of YBa2Cu3O7\{plus 45 degree rule\}PrBa2Cu3O7-heterostructures grown epitaxially on [001]-SrTiO3 substrates were investigated by means of high-resolution electron microscopy and electron diffraction. Misfit dislocation arrays could be observed in the YBa2Cu3O7\{plus 45 degree rule\}PrBa2Cu3O7 interfaces and inside the first YBa2Cu3O7 layer close to the YBa2Cu3O7/SrTiO73 interface. In the PrBa2Cu3O7 layers a structural modulation was found near the interface. This is explained by the ordering of oxygen vacancies due to compressive strain induced by the adjoining YBa2Cu3O7 layers.",

author = "Jia, \{C. L.\} and B. Kabius and H. Soltner and U. Poppe and K. Urban",

year = "1990",

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doi = "10.1016/0921-4534(90)90646-V",

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T1 - Interfacial defects in YBa2Cu3O7{plus 45 degree rule}PrBa2Cu3O7-heterostructures on SrTiO3 substrates

AU - Jia, C. L.

AU - Kabius, B.

AU - Soltner, H.

AU - Poppe, U.

AU - Urban, K.

PY - 1990/12/1

Y1 - 1990/12/1

N2 - The interfaces of YBa2Cu3O7{plus 45 degree rule}PrBa2Cu3O7-heterostructures grown epitaxially on [001]-SrTiO3 substrates were investigated by means of high-resolution electron microscopy and electron diffraction. Misfit dislocation arrays could be observed in the YBa2Cu3O7{plus 45 degree rule}PrBa2Cu3O7 interfaces and inside the first YBa2Cu3O7 layer close to the YBa2Cu3O7/SrTiO73 interface. In the PrBa2Cu3O7 layers a structural modulation was found near the interface. This is explained by the ordering of oxygen vacancies due to compressive strain induced by the adjoining YBa2Cu3O7 layers.

AB - The interfaces of YBa2Cu3O7{plus 45 degree rule}PrBa2Cu3O7-heterostructures grown epitaxially on [001]-SrTiO3 substrates were investigated by means of high-resolution electron microscopy and electron diffraction. Misfit dislocation arrays could be observed in the YBa2Cu3O7{plus 45 degree rule}PrBa2Cu3O7 interfaces and inside the first YBa2Cu3O7 layer close to the YBa2Cu3O7/SrTiO73 interface. In the PrBa2Cu3O7 layers a structural modulation was found near the interface. This is explained by the ordering of oxygen vacancies due to compressive strain induced by the adjoining YBa2Cu3O7 layers.

UR - https://www.scopus.com/pages/publications/0025639662

U2 - 10.1016/0921-4534(90)90646-V

DO - 10.1016/0921-4534(90)90646-V

M3 - 文章

AN - SCOPUS:0025639662

SN - 0921-4534

VL - 172

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JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

IS - 1-2

ER -

Interfacial defects in YBa₂Cu₃O₇{plus 45 degree rule}PrBa₂Cu₃O₇-heterostructures on SrTiO₃ substrates

Abstract

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