In situ observation of stress-induced Au–Si phase transformation
Appl. Phys. Lett. 94, 183111 (2009); doi:10.1063/1.3132060
Published 7 May 2009
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Nonequilibrium AuSi3 was found due to indenting contact forces at a gold and silicon interface. An in situ transmission electron microscope was used to observe interactions at the material interface during nanoindentation and to identify crystal structures. Furthermore, sliding of a gold-coated atomic-force microscope probe over a silicon substrate forms organized nanostructures. An evaluation of the observed interfacial mechanisms concluded that the contact stress triggered the phase transformation leading to the formation of a metastable interface that mediates the adhesion of contacting materials.
©2009 American Institute of Physics
| History: | Received 20 March 2009; accepted 20 April 2009; published 7 May 2009 |
| Permalink: |
http://link.aip.org/link/?APPLAB/94/183111/1 |
Supplemental Material
- APL_Supporting_information.doc (38 kB) 24-Apr-2009 12:31
- README.txt (0 kB) 13-May-2009 17:4
KEYWORDS and PACS
atomic force microscopy,
gold,
interface phenomena,
nanoindentation,
silicon,
solid-state phase transformations,
transmission electron microscopy
- 64.70.K-
Solid-solid transitions - 81.30.Hd
Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder - 81.40.Np
Fatigue, embrittlement, fracture and failure - 68.35.Gy
Mechanical properties and surface strains of solid surfaces and interfaces - 68.37.Ps
Atomic force microscopy (AFM) of surfaces, interfaces and thin films - YEAR: 2009
RELATED DATABASES
PUBLICATION DATA
0003-6951 (print)
1077-3118 (online)
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