| People | Locations | Statistics |
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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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Krause, Bärbel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2023In Situ Study of the Interface-Mediated Solid-State Reactions during Growth and Postgrowth Annealing of Pd/a-Ge Bilayerscitations
- 2022Structure, electrical, and optical properties of reactively sputter-deposited Ta—Al—N thin filmscitations
- 2019Structural and Thermal Characterisation of Nanofilms by Time-Resolved X-ray Scatteringcitations
- 2018Hydrotreatment of Fast Pyrolysis Bio-oil Fractions Over Nickel-Based Catalystcitations
- 2013In situ study of texture development during the growth of magnetron sputtered VC1-x thin films
- 2012Influence of the deposition geometry on the microstructure of sputter-deposited V-Al-C-N coatings
- 2012Microstructure of thin (V,Al)(C,N) hard coatings
- 2012In situ X-ray study of vanadium carbide
Places of action
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article
Structural and Thermal Characterisation of Nanofilms by Time-Resolved X-ray Scattering
Abstract
High time resolution in scattering analysis of thin films allows for determination of thermal conductivity by transient pump-probe detection of dissipation of laser-induced heating, TDXTS. We describe an approach that analyses the picosecond-resolved lattice parameter reaction of a gold transducer layer on pulsed laser heating to determine the thermal conductivity of layered structures below the transducer. A detailed modeling of the cooling kinetics by a Laplace-domain approach allows for discerning effects of conductivity and thermal interface resistance as well as basic depth information. The thermal expansion of the clamped gold film can be calibrated to absolute temperature change and effects of plastic deformation are discriminated. The method is demonstrated on two extreme examples of phononic barriers, isotopically modulated silicon multilayers with very small acoustic impedance mismatch and silicon-molybdenum multilayers, which show a high resistivity.