Publicaciones

• Communication dans un congrès

A closed-form solution for energy-efficiency optimization in multi-user downlink NOMA

Hajar El Hassani, Anne Savard, Elena Veronica Belmega

This paper investigates the energy efficiency of a multiuser downlink non-orthogonal multiple access (NOMA) system. The energy-efficiency maximization representing the tradeoff between the sum rate versus the overall power consumption is formulated as a bi-criterion optimization problem; being...

IEEE 31st International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2020, Aug 2020, London, United Kingdom. ⟨10.1109/PIMRC48278.2020.9217069⟩. ⟨hal-02898928⟩

• Poster de conférence

Coupling of ToF-SIMS and AFM for the identification of the chemical species involved in the nucleation process of soot particles in flame combustion

Jessy Elias, Xavier Mercier, Alessandro Faccinetto, Nicolas Nuns, S. Godey, D. Deresmes, Thierry Melin

Soot formation in combustion is a major research problem because of the negative impact of the carbonaceous particles in the exhausts on human health and the environment. However, state of the art knowledge on the chemical species and reaction pathways leading to the formation of soot particles is...

European Aerosol Conference – EAC 2020, Aug 2020, Aachen, Germany. pp.457. ⟨hal-03008218⟩

• Communication dans un congrès

Optimal power allocation policies in multi-hop cognitive radio networks

Anne Savard, Elena Veronica Belmega

This paper investigates a power allocation problem in an optimal and closed-form manner for a relay-aided cognitive network composed of one primary and secondary user/destination pair (e.g., a cellular link coexisting with a device-to-device link in a device-to-device enabled cellular communication...

31st IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2020, Aug 2020, London, United Kingdom. 9217334, 6 p., ⟨10.1109/PIMRC48278.2020.9217334⟩. ⟨hal-02932927⟩

• Poster de conférence

Coupling of ToF SIMS and AFM for the identification of the chemical species involved in the nucleation process of soot particles in flame combustion

Elias J., Mercier X., Faccinetto A., Nuns N., S. Godey, D. Deresmes, Thierry Melin

European Aerosol Conference 2020, Aug 2020, Aachen, Germany. ⟨hal-04474614⟩

• Article dans une revue

Nanoscale Studies at the Early Stage of Water-Induced Degradation of CH 3 NH 3 PbI 3 Perovskite Films Used for Photovoltaic Applications

Jaume Llacer, David Moerman, Olivier Douheŕet, Xavier Noirfalise, Claudio Quarti, Roberto Lazzaroni, Didier Theron, Philippe Leclere

Understanding the surface properties of hybrid perovskite materials is a key aspect to improve not only the interface properties in photovoltaic cells but also the stability against moisture degradation. In this work, we study the local electronic properties of two series of CH 3 NH 3 PbI 3...

ACS Applied Nano Materials, 2020, 3 (8), pp.8268-8277. ⟨10.1021/acsanm.0c01687⟩. ⟨hal-03022558⟩

• Article dans une revue

High Q THz photonic crystal cavity on a low loss suspended Silicon platform

Elias Akiki, Marc Faucher, Mathias Vanwolleghem, Mattias Verstuyft, Bart Kuyken, Benjamin Walter, Jean-Francois Lampin, Guillaume Ducournau

In this work, we present an ultra-high Q cavity at Terahertz (THz) frequencies. The designed cavity is built on a low loss suspended silicon (Si) waveguide. The substrate removal under the waveguide and the use of optimized deep reactive ion etching processing is the main reason for observing very...

IEEE Transactions on Terahertz Science and Technology, 2020, pp.1-1. ⟨10.1109/TTHZ.2020.3019928⟩. ⟨hal-03065163⟩

• Article dans une revue

Substrate engineering of inductors on SOI for improvement of Q-factor and application in LNA

Arun Bhaskar, Justine Philippe, Vanessa Avramovic, Flavie Braud, J.F. Robillard, Cédric Durand, Daniel Gloria, Christophe Gaquière, Emmanuel Dubois

High Q-factor inductors are critical in designing high performance RF/microwave circuits on SOI technology. Substrate losses is a key limiting factor when designing inductors with high Q-factors. In this context, we report a substrate engineering method that enables improvement of quality factors...

IEEE Journal of the Electron Devices Society, 2020, 8, pp.959-969. ⟨10.1109/JEDS.2020.3019884⟩. ⟨hal-03091190⟩

• Pré-publication, Document de travail

Cell selective manipulation with single beam acoustical tweezers.

Michael Baudoin, Jean-Louis Thomas, Roudy Al Sahely, Jean-Claude Gerbedoen, Zhixiong Gong, Aude Sivery, Olivier Bou Matar, Nikolay Smagin, Peter Favreau, Alexis Vlandas

Acoustical tweezers open major prospects in microbiology for cells and microorganisms contact- less manipulation, organization and mechanical properties testing since they are biocompatible, label-free and can exert forces several orders of magnitude larger than their optical counterpart at...

2020. ⟨hal-02433142v2⟩

• Article dans une revue

Electrical activity at the AlN/Si Interface: identifying the main origin of propagation losses in GaN-on-Si devices at microwave frequencies, Activité électrique de l'interface AlN/Si: identification de l'origine principale des pertes de propagation en hyperfréquences dans les composants GaN sur Silicium

Micka Bah, Damien Valente, Marie Lesecq, N. Defrance, Maxime Garcia Barros, Jean-Claude de Jaeger, Eric Frayssinet, Rémi Comyn, Thi Huong Ngo, Daniel Alquier, Yvon Cordier

AlN nucleation layers are the basement of GaN-on-Si structures grown for light-emitting diodes, high frequency telecommunication and power switching systems. In this context, our work aims to understand the origin of propagation losses in GaN-on-Si High Electron Mobility Transistors at microwaves...

Scientific Reports, 2020, 10 (1), pp.14166. ⟨10.1038/s41598-020-71064-0⟩. ⟨hal-02929022⟩

• Article dans une revue

Spatially selective manipulation of cells with single-beam acoustical tweezers

Michael Baudoin, Jean-Louis Thomas, Roudy Al Sahely, Jean Claude Gerbedoen, Zhixiong Gong, Aude Sivery, Olivier Bou Matar, Nikolay Smagin, Peter Favreau, Alexis Vlandas

Acoustical tweezers open major prospects in microbiology for cells and microorganisms contactless manipulation, organization and mechanical properties testing since they are biocompatible, label-free and have the potential to exert forces several orders of magnitude larger than their optical...

Nature Communications, 2020, 11, pp.4244. ⟨10.1038/s41467-020-18000-y⟩. ⟨hal-03003284⟩