DataVXAdvanced Materials InterfacesPaper
journal article·2018-06

Temperature‐Induced Atomic Reconstruction At Au/MgAl2O4 Interfaces

Fang Liu, Dong Yue Xie, Matthieu Bugnet, Tahereh Majdi, John S. Preston, Jian Wang, Guo‐zhen Zhu

Advanced Materials Interfaces· Volume 5· Issue 12
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Source abstract

Abstract

Abstract The metal–oxide interaction, associated with intermingling delocalization of bonding electrons in metals and ionic bonds in oxides, may cause reconstruction of interface structure and accordingly affect physical properties of heterogeneous materials. This Communication reports reconstructions of (111) interface between gold and magnesium aluminate spinel according to experimental observation and theoretical prediction. Three interfacial structures are evidenced with respect to the arrangement of gold atoms: perfect Au (111) interface, atoms missing in the first Au (111) plane, and atoms mixing in the two adjacent atomic planes. Such atomic arrangements in the reconstructed interfaces are similar to those of metal cations in the spinel lattice, thus providing new insights into the chemistry and structure of metal–oxide interfaces and highlighting new pathways toward metal–oxide interface engineering.
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Research context

OpenAlex topics: Catalytic Processes in Materials Science · Electronic and Structural Properties of Oxides · Semiconductor materials and devices

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Affiliations

State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Rd Shanghai 200240 P. R. China

Department of Mechanical and Materials Engineering University of Nebraska‐Lincoln Lincoln NE 68588 USA

MATEIS Laboratory University of Lyon UMR 5510 CNRS – INSA Lyon – UCBL Lyon 1 F‐69621 Villeurbanne Cedex France

Department of Engineering Physics McMaster University Hamilton Ontario L8S 4L7 Canada

Department of Mechanical Engineering University of Manitoba Winnipeg Manitoba R3T 5V6 Canada

Funding

National Natural Science Foundation of China · Canada Foundation for Innovation · Natural Sciences and Engineering Research Council of Canada

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