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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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Faraone, Lorenzo
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (31/31 displayed)
- 2022Narrow bandgap HgCdTe technology for IR sensing & imaging focal plane arrayscitations
- 2019Interdiffusion Effects on Bandstructure in HgTe-CdTe Superlattices for VLWIR Imaging Applicationscitations
- 2018Effect of thermal annealing on stress relaxation and crystallisation of ion beam sputtered amorphous Si1-xGex thin filmscitations
- 2018GaSb-based II-VI semiconductors for application in next generation infrared detectors
- 2018MEMS-based Low SWaP solutions for multi/hyperspectral infrared sensing and imagingcitations
- 2018Optimization of Superlattice Barrier HgCdTe nBn Infrared Photodetectors Based on an NEGF Approachcitations
- 2018MBE growth of high quality HgCdSe on GaSb substratescitations
- 2017Large-Area MEMS Tunable Fabry-Perot Filters for Multi/Hyperspectral Infrared Imagingcitations
- 2016Investigation of Thermal Expansion Effects on Si-Based MEMS Structurescitations
- 2016Preparation and characterization of cerium substituted bismuth dysprosium iron garnets for magneto-optic applicationscitations
- 2016Interface trap density evaluation on bare silicon-on-insulator wafers using the quasi-static capacitance techniquecitations
- 2016Superlattice Barrier HgCdTe nBn Infrared Photodetectorscitations
- 2015Investigation of ICPECVD Silicon Nitride Films for HgCdTe Surface Passivationcitations
- 2014Characterization of mechanical, optical and structural properties of bismuth oxide thin films as a write-once medium for blue laser recordingcitations
- 2014Characterization of mechanical, optical and structural properties of bismuth oxide thin films as a write-once medium for blue laser recording
- 2014Investigation of cerium-substituted europium iron garnets deposited by biased target ion beam depositioncitations
- 2014GaSb: A new alternative substrate for epitaxial growth of HgCdTecitations
- 2009Elasto-plastic characterisation of low-temperature plasma-deposited silicon nitride thin films using nanoindentationcitations
- 2009Third-generation infrared photodetector arrayscitations
- 2007Dielectric thin films for MEMS-based optical sensorscitations
- 2007Poisson's Ratio of Low-Temperature PECVD Silicon Nitride Thin Filmscitations
- 2007Process condition dependence of mechanical and physical properties of silicon nitride thin filmscitations
- 2006Thermal Stability of PECVD SiN/sub x/ Filmscitations
- 2006Stress in low-temperature plasma enhanced chemical vapour deposited silicon nitride thin filmscitations
- 2005Characterization of Mechanical Properties of Silicon Nitride Thin Films for MEMS Devices by Nanoindentation
- 2005Determination of mechanical properties of silicon nitride thin films using nanoindentationcitations
- 2005Effects of deposition temperature on the mechanical and physical properties of silicon nitride thin filmscitations
- 2005Determination of mechanical properties of PECVD silicon nitride thin films for tunable MEMS Fabry-Perot optical filterscitations
- 2005Evaluation of Plasma Deposited Silicon Nitride Thin Flims for Microsystems Technologycitations
- 2004Laser-Beam-Induced Current Mapping of Spatial Nonuniformities in Molecular Beam Epitaxy As-Grown HgCdTecitations
- 2004Dark Currents in Long Wavelength Infrared HgCdTe Gated Photodiodescitations
Places of action
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document
Determination of mechanical properties of silicon nitride thin films using nanoindentation
Abstract
Thin-film MEMS are essential to realization of intelligent integrated microsystems. Of critical importance in such microsystems is the determination and control of mechanical properties in the thin films used for construction of the MEMS, which can be the decisive factor in the realization and subsequent performance, reliability, and long-term stability of the system. In future microsystems the need to fabricate MEMS on temperature sensitive, non-standard substrates will be of particular importance. In this work, mechanical properties of low-temperature (50-300°C) plasma-enhanced chemical vapour deposited silicon nitride thin films have been investigated using depth sensing indentation. Young's modulus, E, and hardness, H, values obtained for the examined film/substrate bilayers were found to vary asymptotically from the thin film properties for shallow indents to the substrate properties for deep indents. A simple empirical formulation is shown to relate E and H obtained for the film/substrate bilayers to corresponding material properties of the constituent materials via a power-law relation. The temperature of the deposition process was found to strongly influence the thin film mechanical properties. Values of E ∼ 150-160GPa and H ∼ 14-15GPa were observed for depositions above 225°C. Decreasing the deposition temperature initially caused a moderate and linear decrease in E and H parameters, which was followed by an abrupt decrease in E and H once the deposition temperature was lowered below 100°C, such that E ∼ 50GPa and H ∼ 3.5GPa at a deposition temperature of 50°C.