Surface properties of Zr50 Cu40 Al10 bulk metallic glass

Koji Nakayama; Y. Yokoyama; T. Sakurai; A. Inoue

doi:10.1063/1.2732168

Surface properties of Zr50 Cu40 Al10 bulk metallic glass

Koji Nakayama, Y. Yokoyama, T. Sakurai, A. Inoue

New Industry Creation Hatchery Center (NICHe)

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

8 Citations (Scopus)

Abstract

Atomic force microscope (AFM) makes it possible to image the surface morphological evolutions of the Zr50 Cu40 Al10 bulk metallic glass (BMG). The heating in vacuum leads to the creation of nanoclusters and the significant structural changes driven by viscous flow. Auger electron spectroscopy confirms that the nanoclusters correspond to zirconium oxide. Furthermore, the nanoclusters do not influence the crystallization process of the BMG but the viscous flow is crucial to surface modification. The temperature dependent AFM observation combined with chemical analysis is a new protocol to study fundamental properties of BMG surfaces.

Original language	English
Article number	183105
Journal	Applied Physics Letters
Volume	90
Issue number	18
DOIs	https://doi.org/10.1063/1.2732168
Publication status	Published - 2007 May 10

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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AU - Sakurai, T.

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AB - Atomic force microscope (AFM) makes it possible to image the surface morphological evolutions of the Zr50 Cu40 Al10 bulk metallic glass (BMG). The heating in vacuum leads to the creation of nanoclusters and the significant structural changes driven by viscous flow. Auger electron spectroscopy confirms that the nanoclusters correspond to zirconium oxide. Furthermore, the nanoclusters do not influence the crystallization process of the BMG but the viscous flow is crucial to surface modification. The temperature dependent AFM observation combined with chemical analysis is a new protocol to study fundamental properties of BMG surfaces.

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