Title: Embedded Binary Eutectic Alloy Nanostructures
Authors: Chrzan, D. C ×
Shin, S. J
Guzman, J
Yuan, C. -W
Liao, C. Y
Stone, P. R
Boswell-Koller, C. N
Sawyer, C. A
Bustillo, K. C
Sherburne, M. P
Conry, T
Lieten, Ruben
Dubon, O. D
Minor, A. M
Watanabe, M
Beeman, J. W
Yu, K. M
Ager, J. W., III
Haller, E. E #
Issue Date: Oct-2012
Publisher: Springer New York LLC
Series Title: JOM: the Journal of the Minerals, Metals and Materials Society vol:64 issue:10 pages:1158-1164
Abstract: The properties of binary eutectic alloy nanostructures embedded within a
matrix are discussed. It is demonstrated that GeAu and GeSn nanostructures
embedded in SiO2 form in a bilobed structure as predicted by a simple theory.
Upon heating, the nanostructures melt and assume a nominally compositionally homogeneous structure. Slow cooling of the liquid returns the nanostructure to its equilibrium bilobed morphology. Rapid quenching yields a kinetically limited, nearly compositionally homogeneous solid. Rapid thermal annealing can convert this metastable structure again into the bilobed
structure. It is, therefore, possible to switch between the bilobed structure and the homogenous structure. The kinetics of the homogeneous composition to bilobe structure transformation depend on composition. Tuning the composition enables one to tune the transformation temperature. Possible technological applications of these nanostructures are discussed.
ISSN: 1047-4838
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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