Quantification of ordering at a solid-liquid interface using plasmon electron energy loss spectroscopy

We present an in situ electron energy loss spectroscopy (EELS) study of ordering of liquid Al at various Al-Al2O3 interfaces. This technique utilizes precise measurements of the shifts in bulk plasmon resonance and their sensitivity to the valence electron density. Plasmon EELS combined with high re...

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Bibliographic Details
Published in:Applied physics letters 2015-02, Vol.106 (5)
Main Authors: Gandman, Maria, Kauffmann, Yaron, Kaplan, Wayne D.
Format: Article
Language:English
Subjects:
ALUMINIUM
ALUMINIUM OXIDES
Aluminum oxide
Applied physics
Bulk density
Chemical composition
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Electron density
Electron energy loss spectroscopy
ELECTRONS
Energy dissipation
ENERGY-LOSS SPECTROSCOPY
INTERFACES
Liquid-solid interfaces
Organic chemistry
OXYGEN
Spectrum analysis
TRANSMISSION ELECTRON MICROSCOPY
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Summary:We present an in situ electron energy loss spectroscopy (EELS) study of ordering of liquid Al at various Al-Al2O3 interfaces. This technique utilizes precise measurements of the shifts in bulk plasmon resonance and their sensitivity to the valence electron density. Plasmon EELS combined with high resolution transmission electron microscopy provides information regarding the chemical composition in liquid Al at Al-Al2O3 interfaces. Preferential oxygen segregation to the (0006) Al2O3 plane was verified, and the (101¯2) Al2O3 plane was found to contain the lowest amount of segregated species.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4907617