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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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Schmidt, Daniel
Luxembourg Institute of Science and Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Non-destructive testing of challenging aerospace structures
- 2024The effect of low temperatures on monitoring structural health using acoustic-ultrasonic piezoelectric transducers on composite structures.
- 2024Transforming martensite in NiTi within nanosecondscitations
- 2024In-cycle evolution of thickness and roughness parameters during oxygen plasma enhanced ZnO atomic layer deposition using in situ spectroscopic ellipsometry
- 20234D Printing of Electroactive Triple-Shape Compositescitations
- 2023Optimization of HIV testing services in Germany using HIV indicator diseases: study protocol of the HeLP studycitations
- 2022RAFT solution copolymerization of styrene and 1,3-butadiene and its application as a tool for block copolymer preparationcitations
- 2022What is the speed limit of martensitic transformations?citations
- 20224D Printing of Multicomponent Shape-Memory Polymer Formulationscitations
- 2015Structural and optical properties of cobalt slanted nanopillars conformally coated with few-layer graphenecitations
- 2013Design of mode selective actuators for Lamb wave excitation in composite platescitations
- 2012Characterization of mode selective actuator and sensor systems for Lamb wave excitation
- 2012Optical properties of cobalt slanted columnar thin films passivated by atomic layer depositioncitations
- 2012Aging Effects of As-deposited and Passivated Cobalt Slanted Columnar Thin Filmscitations
Places of action
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article
Structural and optical properties of cobalt slanted nanopillars conformally coated with few-layer graphene
Abstract
<jats:p>Optical characterization of anisotropic multicomponent nanostructures is generally not a trivial task, since the relation between a material's structural properties and its permittivity tensor is nonlinear. In this regard, an array of slanted cobalt nanopillars that are conformally coated with few-layer graphene is a particularly challenging object for optical characterization, as it has a complex anisotropic geometry and comprises several materials with different topologies and filling fractions. Normally, a detailed characterization of such complex nanostructures would require a combination of several microscopic and spectroscopic techniques. In this letter, we demonstrate that the important structural parameters of these graphene-coated sculptured thin films can be determined using a fast and simple generalized spectroscopic ellipsometry test combined with an anisotropic Bruggeman effective medium approximation. The graphene coverage as well as structural parameters of nanostructured thin films agree excellently with electron microscopy and Raman spectroscopy observations. The demonstrated optical approach may also be applied to the characterization of other nanostructured materials.</jats:p>