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In situ transmissio...
In situ transmission electron microscopy studies of the kinetics of Pt-Mo alloy diffusion in ZrB2 thin films
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- Jouanny, I (författare)
- University of Calif Los Angeles, CA USA
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- Palisaitis, Justinas (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska högskolan
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- Ngo, C (författare)
- University of Calif Los Angeles, CA USA
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- Mayrhofer, P H. (författare)
- Vienna University of Technology, Austria
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- Hultman, Lars (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska högskolan
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- Persson, Per O A . (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska högskolan
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- Kodambaka, S (författare)
- University of Calif Los Angeles, CA USA
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(creator_code:org_t)
- American Institute of Physics (AIP), 2013
- 2013
- Engelska.
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Ingår i: Applied Physics Letters. - : American Institute of Physics (AIP). - 0003-6951 .- 1077-3118. ; 103:12
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Using in situ high-temperature (1073–1173 K) transmission electron microscopy, we investigated the thermal stability of Pt and Mo in contact with polycrystalline ZrB2 thin films deposited on Al 2O3(0001). During annealing, we observed the diffusion of cubic-structured Pt1− x Mo x (with x = 0.2 ± 0.1) along the length of the ZrB2 layer. From the time-dependent increase in diffusion lengths, we determined that the Pt1− x Mo x does not react with ZrB2, but diffuses along the surface with a constant temperature-dependent velocity. We identify the rate-limiting step controlling the observed phenomenon as the flux of Mo atoms with an associated activation barrier of 3.8 ± 0.5 eV.
Nyckelord
- TECHNOLOGY
- TEKNIKVETENSKAP
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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