High-resolution transmission electron microscopy study of epitaxial passive films on nanocubes of chromium

J. C. Rao; X. X. Zhang; B. Qin; K. K. Fung

doi:10.1080/0950083031000121331

High-resolution transmission electron microscopy study of epitaxial passive films on nanocubes of chromium

J. C. Rao, X. X. Zhang, B. Qin, K. K. Fung^*

^*Corresponding author for this work

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

9 Scopus citations

Abstract

A significant proportion of the nanoparticles of chromium prepared by plasma gas condensation are nanocubes. We have found by electron diffraction and high-resolution transmission electron microscopy that each nanocube of chromium is enclosed by an epitaxial passive oxide film. The oxide film has been identified as fcc Cr₂O₃ with a lattice parameter of 0.407 nm. This cubic passive oxide, found in nanocubes of chromium that have remained unchanged in water for more than 4 years, may have important implications for protective oxide films involving chromium.

Original language	English (US)
Pages (from-to)	395-401
Number of pages	7
Journal	Philosophical Magazine Letters
Volume	83
Issue number	6
DOIs	https://doi.org/10.1080/0950083031000121331
State	Published - Jun 2003
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics

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10.1080/0950083031000121331

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abstract = "A significant proportion of the nanoparticles of chromium prepared by plasma gas condensation are nanocubes. We have found by electron diffraction and high-resolution transmission electron microscopy that each nanocube of chromium is enclosed by an epitaxial passive oxide film. The oxide film has been identified as fcc Cr2O3 with a lattice parameter of 0.407 nm. This cubic passive oxide, found in nanocubes of chromium that have remained unchanged in water for more than 4 years, may have important implications for protective oxide films involving chromium.",

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AU - Zhang, X. X.

AU - Qin, B.

AU - Fung, K. K.

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Y1 - 2003/6

N2 - A significant proportion of the nanoparticles of chromium prepared by plasma gas condensation are nanocubes. We have found by electron diffraction and high-resolution transmission electron microscopy that each nanocube of chromium is enclosed by an epitaxial passive oxide film. The oxide film has been identified as fcc Cr2O3 with a lattice parameter of 0.407 nm. This cubic passive oxide, found in nanocubes of chromium that have remained unchanged in water for more than 4 years, may have important implications for protective oxide films involving chromium.

AB - A significant proportion of the nanoparticles of chromium prepared by plasma gas condensation are nanocubes. We have found by electron diffraction and high-resolution transmission electron microscopy that each nanocube of chromium is enclosed by an epitaxial passive oxide film. The oxide film has been identified as fcc Cr2O3 with a lattice parameter of 0.407 nm. This cubic passive oxide, found in nanocubes of chromium that have remained unchanged in water for more than 4 years, may have important implications for protective oxide films involving chromium.

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DO - 10.1080/0950083031000121331

M3 - Article

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EP - 401

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High-resolution transmission electron microscopy study of epitaxial passive films on nanocubes of chromium

Abstract

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