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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Silveira, Marta Gonzalez
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2018Evidence of thermal transport anisotropy in stable glasses of vapor deposited organic moleculescitations
- 2015Aging and structural relaxation of hyper-quenched Mg<inf>65</inf>Cu<inf>25</inf>Y<inf>10</inf> metallic glasscitations
- 2014Kinetics of silicide formation over a wide range of heating rates spanning six orders of magnitudecitations
- 2013Combinatorial method for direct measurements of the intrinsic hydrogen permeability of separation membrane materialscitations
- 2013Relaxation of rapidly quenched metallic glasses: Effect of the relaxation state on the slow low temperature dynamicscitations
- 2012Atomic-scale relaxation dynamics and aging in a metallic glass probed by X-ray photon correlation spectroscopy
- 2007Time resolved x-ray reflectivity study of interfacial reactions in Cu Mg thin films during heat treatmentcitations
- 2006Influence of layer microstructure on the double nucleation process in Cu/Mg multilayerscitations
- 2003Calorimetric and x-ray analysis of the intermediate phase formation in Cu/Mg multilayerscitations
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article
Time resolved x-ray reflectivity study of interfacial reactions in Cu Mg thin films during heat treatment
Abstract
We present an in-situ time-resolved synchrotron x-ray reflectivity (XRR) analysis of the thermal stability of Cu Mg Cu trilayers during heating ramps up to 300°C at 2°C min. We demonstrate that under some simplifying assumptions the temporal evolution of XRR scans can be used to follow the kinetics of formation of the Cu Mg2 intermetallic phase. The simultaneous refinement of selected parameters of 70 reflectivity scans measured during the heat treatment permits an accurate analysis with respect to the as-deposited state. A gradual damping of the long period Kiessig fringes of the trilayer structure is observed upon heating up to 190°C. Above this temperature the XRR is reminiscent of a single thin film of Cu Mg2. The evolution of interface interdiffusion and/or roughness and thickness of the initial layers allowed to identify a differentiated nucleation and lateral growth process of the intermetallic Cu Mg2 phase depending on the type of interface, Cu on Mg and Mg on Cu. These results are compared to experimental measurements obtained from differential scanning calorimetry. © 2007 The American Physical Society.