The atomic structure of the interface of Au on YBa2Cu3O7(001)

C. L. Jia; M. Grove; R. Dittmann; K. Urban

doi:10.1080/095008396180524

The atomic structure of the interface of Au on YBa₂Cu₃O₇(001)

C. L. Jia
, M. Grove
, R. Dittmann
, K. Urban

Jülich Research Centre

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

3 Scopus citations

Abstract

The interface of Au films grown epitaxially on c -axis-oriented YBa₂Cu₃O₇ has been investigated by means of high-resolution transmission electron microscopy and electron diffraction. Two kinds of crystallographic orientation relationship between the two materials were identified. These are, with respect to the parallelity of plane normals and lattice directions, as follows: (111)_AU (001)_y, [110]_Au [010Y] and [112]_AU [100]_Y (111)_AU (001)_Y, [110]_AU [100]_Y and [112]_AU [010]_Y. They can be attributed to the special bonding geometry of Au atoms to Ba cations in the BaO plane which terminates the YBa₂Cu₃O₇ at the interface. This geometry can be understood on the basis of the atomic arrangement in the intermetallic alloy phase Au₂Ba.

Original language	English
Pages (from-to)	25-32
Number of pages	8
Journal	Philosophical Magazine Letters
Volume	74
Issue number	1
DOIs	https://doi.org/10.1080/095008396180524
State	Published - Jul 1996
Externally published	Yes

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abstract = "The interface of Au films grown epitaxially on c -axis-oriented YBa2Cu3O7 has been investigated by means of high-resolution transmission electron microscopy and electron diffraction. Two kinds of crystallographic orientation relationship between the two materials were identified. These are, with respect to the parallelity of plane normals and lattice directions, as follows: (111)AU (001)y, [110]Au [010Y] and [112]AU [100]Y (111)AU (001)Y, [110]AU [100]Y and [112]AU [010]Y. They can be attributed to the special bonding geometry of Au atoms to Ba cations in the BaO plane which terminates the YBa2Cu3O7 at the interface. This geometry can be understood on the basis of the atomic arrangement in the intermetallic alloy phase Au2Ba.",

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AU - Jia, C. L.

AU - Grove, M.

AU - Dittmann, R.

AU - Urban, K.

PY - 1996/7

Y1 - 1996/7

N2 - The interface of Au films grown epitaxially on c -axis-oriented YBa2Cu3O7 has been investigated by means of high-resolution transmission electron microscopy and electron diffraction. Two kinds of crystallographic orientation relationship between the two materials were identified. These are, with respect to the parallelity of plane normals and lattice directions, as follows: (111)AU (001)y, [110]Au [010Y] and [112]AU [100]Y (111)AU (001)Y, [110]AU [100]Y and [112]AU [010]Y. They can be attributed to the special bonding geometry of Au atoms to Ba cations in the BaO plane which terminates the YBa2Cu3O7 at the interface. This geometry can be understood on the basis of the atomic arrangement in the intermetallic alloy phase Au2Ba.

AB - The interface of Au films grown epitaxially on c -axis-oriented YBa2Cu3O7 has been investigated by means of high-resolution transmission electron microscopy and electron diffraction. Two kinds of crystallographic orientation relationship between the two materials were identified. These are, with respect to the parallelity of plane normals and lattice directions, as follows: (111)AU (001)y, [110]Au [010Y] and [112]AU [100]Y (111)AU (001)Y, [110]AU [100]Y and [112]AU [010]Y. They can be attributed to the special bonding geometry of Au atoms to Ba cations in the BaO plane which terminates the YBa2Cu3O7 at the interface. This geometry can be understood on the basis of the atomic arrangement in the intermetallic alloy phase Au2Ba.

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DO - 10.1080/095008396180524

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The atomic structure of the interface of Au on YBa₂Cu₃O₇(001)

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