High‐resolution study of the one‐ and two‐dimensional long‐period antiphase boundary structures in Au4Zn

D. Schryvers; G. Van Tendeloo; J. Van Landuyt; S. Amelinckx

doi:10.1002/pssa.2210750235

High‐resolution study of the one‐ and two‐dimensional long‐period antiphase boundary structures in Au₄Zn

D. Schryvers, G. Van Tendeloo, J. Van Landuyt, S. Amelinckx

Research output › peer-review

Abstract

The electron microscopic high‐resolution imaging technique is used to confirm and partly modify the existing models of the one‐ and two‐dimensional (1‐D, 2‐D) LPAPB structures in Au₄Zn. A detailed investigation of the high resolution images of the 2‐D Au₃₊ Zn structure leads to some general results concerning the occupation of Zn atom sites by Au atoms accounting for the difference between the nominal Au₄Zn composition and the stoichiometric Au₃Zn composition. An atomic model is given for the ledges appearing in the 1‐D LPAPB with M = 2.2. This model suggests a possible formation mechanism for the stable M = 2.0 structure. A possible growth mechanism for the 2‐D phase is proposed as well.

Original language	English
Pages (from-to)	607-616
Number of pages	10
Journal	physica status solidi (a)
Volume	75
Issue number	2
DOIs	https://doi.org/10.1002/pssa.2210750235
State	Published - 16 Feb 1983

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1002/pssa.2210750235

Cite this

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title = "High‐resolution study of the one‐ and two‐dimensional long‐period antiphase boundary structures in Au4Zn",

abstract = "The electron microscopic high‐resolution imaging technique is used to confirm and partly modify the existing models of the one‐ and two‐dimensional (1‐D, 2‐D) LPAPB structures in Au4Zn. A detailed investigation of the high resolution images of the 2‐D Au3+ Zn structure leads to some general results concerning the occupation of Zn atom sites by Au atoms accounting for the difference between the nominal Au4Zn composition and the stoichiometric Au3Zn composition. An atomic model is given for the ledges appearing in the 1‐D LPAPB with M = 2.2. This model suggests a possible formation mechanism for the stable M = 2.0 structure. A possible growth mechanism for the 2‐D phase is proposed as well.",

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T1 - High‐resolution study of the one‐ and two‐dimensional long‐period antiphase boundary structures in Au4Zn

AU - Schryvers, D.

AU - Van Tendeloo, G.

AU - Van Landuyt, J.

AU - Amelinckx, S.

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AB - The electron microscopic high‐resolution imaging technique is used to confirm and partly modify the existing models of the one‐ and two‐dimensional (1‐D, 2‐D) LPAPB structures in Au4Zn. A detailed investigation of the high resolution images of the 2‐D Au3+ Zn structure leads to some general results concerning the occupation of Zn atom sites by Au atoms accounting for the difference between the nominal Au4Zn composition and the stoichiometric Au3Zn composition. An atomic model is given for the ledges appearing in the 1‐D LPAPB with M = 2.2. This model suggests a possible formation mechanism for the stable M = 2.0 structure. A possible growth mechanism for the 2‐D phase is proposed as well.

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