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Issue 8, 2014
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Hydrogen-induced structural transformation of AuCu nanoalloys probed by synchrotron X-ray diffraction techniques

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Abstract

In situ X-ray diffraction measurements reveal that the transformation of a AuCu nanoalloy from a face-centered-cubic to an L10 structure is accelerated under a hydrogen atmosphere. The structural transformation rate for the AuCu nanoalloy under hydrogen above 433 K was found to be 100 times faster than that in a vacuum, which is the first quantitative observation of hydrogen-induced ordering of nanoalloys.

Graphical abstract: Hydrogen-induced structural transformation of AuCu nanoalloys probed by synchrotron X-ray diffraction techniques

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Article information


Submitted
28 Nov 2013
Accepted
05 Feb 2014
First published
06 Feb 2014

Nanoscale, 2014,6, 4067-4071
Article type
Communication
Author version available

Hydrogen-induced structural transformation of AuCu nanoalloys probed by synchrotron X-ray diffraction techniques

M. Yamauchi, K. Okubo, T. Tsukuda, K. Kato, M. Takata and S. Takeda, Nanoscale, 2014, 6, 4067
DOI: 10.1039/C3NR06327E

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