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Affichage de 4191 à 4200 sur 15834

Article dans une revue

Dynamic simulation and optimization of artificial insect-sized flapping wings for a bioinspired kinematics using a two resonant vibration modes combination

Damien Faux, Olivier Thomas, Sébastien Grondel, Eric Cattan

This paper addresses the design of the elastic structure of artificial wings to optimize their dynamical behaviour to reproduce insect wings kinematics. Our bioinspired kinematics is based on the original concept of using the resonant properties of the wing structure in order to combine the motion…

Journal of Sound and Vibration, 2019, 460, pp.114883. ⟨10.1016/j.jsv.2019.114883⟩. ⟨hal-02292288⟩

Chapitre d'ouvrage

Chapter 4 - Magnons in nanometric discrete structures

Housni Al-Wahsh, Abdellatif Akjouj, L. Dobrzynski, Bahram Djafari-Rouhani, El Houssaine El Boudouti

A fundamental understanding of nanoscaled materials has become an important challenge for any technical applications. For magnetic nanoparticles, the investigations are in particular stimulated by the magnetic storage devices. In this chapter we present, in the frame of the discrete dipole…

Magnonics: interface transmission tutorial book series, pp.143-183, 2019, ISBN 978-0-12-813366-8 ; e-ISBN 978-0-12-813367-5. ⟨10.1016/B978-0-12-813366-8.00004-2⟩. ⟨hal-03356767⟩

Article dans une revue

Inorganic, Organic, and Perovskite Halides with Nanotechnology for High-Light Yield X- and gamma-ray Scintillators

F. Maddalena, L. Tjahjana, A. Z. Xie, S. W. Zeng, H. Wang, P. Coquet, W. Drozdowski, Christophe Dujardin, C. Dang, M. D. Birowosuto

Trends in scintillators that are used in many applications, such as medical imaging, security, oil-logging, high energy physics and non-destructive inspections are reviewed. First, we address traditional inorganic and organic scintillators with respect of limitation in the scintillation light…

Crystals, 2019, 9, pp.88. ⟨10.3390/cryst9020088⟩. ⟨hal-02285858⟩

Article dans une revue

Interface thermal behavior in nanomaterials by thermal grating relaxation

Pier Luca Palla, Sonia Zampa, Évelyne Martin, Fabrizio Cleri

We study the relaxation of a thermal grating in multilayer materials with interface thermal resistances. The analytical development allows for the numerical determination of this thermal property in Approach to Equilibrium Molecular Dynamics and suggests an experimental setup for its measurement.…

International Journal of Heat and Mass Transfer, 2019, 131, pp.932-943. ⟨10.1016/j.ijheatmasstransfer.2018.11.064⟩. ⟨hal-02128371⟩

Article dans une revue

High performance and highly robust AlN/GaN HEMTs for millimeter-wave operation

Kathia Harrouche, Riad Kabouche, Etienne Okada, F Medjdoub

We report on a 3 nm AlN/GaN HEMT technology for millimeter-wave applications. Electrical characteristics for a 110 nm gate length show a maximum drain current density of 1.2 A/mm, an excellent electron confinement with a low leakage current below 10 μA/mm, a high breakdown voltage and a F T /F max…

IEEE Journal of the Electron Devices Society, 2019, 7, pp.1145-1150. ⟨10.1109/JEDS.2019.2952314⟩. ⟨hal-02357492⟩

Article dans une revue

A Comparative Investigation of Plasmonic Properties between Tunable Nanoobjects and Metallized Nanoprobes for Optical Spectroscopy

Damien Eschimese, Patrick Hsia, Francois Vaurette, D. Deresmes, De Philippe Bettignies, Joachim Schreiber, Marc Chaigneau, S. Arscott, Gaëtan Lévêque, Thierry Melin

In order to evaluate the optical efficiency of tip-based probes for future tip-enhanced optical spectroscopy applications, we developed an experimental setup based on the coupling of an achromatic inverted microscope equipped with a total internal reflection objective and an atomic force microscopy…

Journal of Physical Chemistry C, 2019, 123 (46), pp.28392-28400. ⟨10.1021/acs.jpcc.9b09977⟩. ⟨hal-02349635⟩

Article dans une revue

An optical power divider based on mode coupling using GaN/Al2O3 for underwater communication

Retno Wigajatri Purnamaningsih, Nji Raden Poespawati, Tomy Abuzairi, El Hadj Dogheche

This paper details the design of a 1 \texttimes 8 optical power divider, using a gallium nitride (GaN) semiconductor on sapphire, which can be applied to underwater optical wireless communication. The design consists of nine parallel rectangular waveguides which are based on mode coupling phenomena…

Photonics, 2019, 6 (2), pp.63. ⟨10.3390/photonics6020063⟩. ⟨hal-03140501⟩

Article dans une revue

Plasmon-Induced Electrocatalysis with Multi-Component Nanostructures

Palaniappan Subramanian, Dalila Meziane, Robert Wojcieszak, Franck Dumeignil, Rabah Boukherroub, Sabine Szunerits

Noble metal nanostructures are exceptional light absorbing systems, in which electron–hole pairs can be formed and used as “hot” charge carriers for catalytic applications. The main goal of the emerging field of plasmon-induced catalysis is to design a novel way of finely tuning the activity and…

Materials, 2019, Materials, 12 (1), pp.43. ⟨10.3390/ma12010043⟩. ⟨hal-02309136⟩

Communication dans un congrès

Nano-particle mass sensing using phononic pillars

Bonhomme Jeremy, Oudich Mourad, Bahram Djafari-Rouhani, Sarry Frederic, Yan Pennec, Bonello Bernard, Beyssen Denis, Paul Charette

In this work, we investigate the sensitivity of a pillar based metasurface in order to understand the behavior of the system in real tests conditions where the mass perturbation will not be homogeneous on all the system. The structure we study is composed in stacking alternate layers of Silica and…

IEEE International Ultrasonics Symposium, IUS 2019, Oct 2019, Glasgow, United Kingdom. pp.844-846, ⟨10.1109/ULTSYM.2019.8925763⟩. ⟨hal-03178711⟩

Article dans une revue

Tunneling Atomic Layer-Deposited Aluminum Oxide: a Correlated Structural/ Electrical Performance Study for the Surface Passivation of Silicon Junctions

Kangping Liu, Odile Cristini-Robbe, Omar Ibrahim Elmi, Shuang Long Wang, Bin Wei, Ing-Song Yu, Xavier Portier, Fabrice Gourbilleau, Didier Stiévenard, Tao Xu

Passivation is a key process for the optimization of silicon p-n junctions. Among the different technologies used to passivate the surface and contact interfaces, alumina is widely used. One key parameter is the thickness of the passivation layer that is commonly deposited using atomic layer…

Nanoscale Research Letters, 2019, ⟨10.1186/s11671-019-3160-2⟩. ⟨hal-02406192⟩