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Communication dans un congrès

Coupled model for determination of full electroelastic sets of 1-3 piezocomposite with various pillar shapes

Antoine Bale, Franck Levassort, Anne-Christine Hladky

The knowledge and determination of effective elastic, piezoelectric and dielectric constants for 1-3 piezocomposites play a key role in understanding and optimizing the performance of the material for various applications. This paper details a theoretical coupled method for determining the…

IEEE International Ultrasonics Symposium (IUS), Sep 2017, Washington, United States. ⟨10.1109/ULTSYM.2017.8091841⟩. ⟨hal-03300130⟩

Communication dans un congrès

A 140 GHz to 160 GHz active impedance tuner for in-situ noise characterization in BiCMOS 55 nm

Simon Bouvot, Joao Carlos Azevedo Goncalves, Alice Bossuet, Thomas Quemerais, Sylvie Lepilliet, Guillaume Ducournau, Francois Danneville, Daniel Gloria

A millimeter-wave active impedance tuner is implemented on the STMicroelectronics BiCMOS 55 nm technology for in-situ noise characterization. The presented circuit is composed of a two stage low noise amplifier with a gain of 11 dB and a NF of 7.5 dB at 150 GHz loading a 64 states passive impedance…

IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), Aug 2017, Seoul, South Korea. paper FR_3B_4, ⟨10.1109/RFIT.2017.8048233⟩. ⟨hal-03272701⟩

Article dans une revue

Effect of incubation duration, growth temperature, and abiotic surface type on cell surface properties, adhesion and pathogenicity of biofilm-detached Staphylococcus aureus cells

Oussama Khelissa, Charafeddine Jama, Marwan Abdallah, Rabah Boukherroub, Christine Faille, Nour-Eddine Chihib

The goal of this study was to investigate the effect of growth conditions such as the temperature (20, 30 and 37 °C), incubation duration (24 and 48 h) and surface type (stainless steel and polycarbonate) on the cell surface physicochemical properties and adhesion to abiotic surfaces of biofilm-…

AMB Express, 2017, 7 (191), ⟨10.1186/s13568-017-0492-0⟩. ⟨hal-02624453⟩

Article dans une revue

Sputtered titanium carbide thick film for high areal energy on chip carbon-based micro-supercapacitors

Manon Létiche, Kevin Brousse, Arnaud Demortiere, Peihua Huang, Barbara Daffos, Sébastien Pinaud, Marc Respaud, Bruno Chaudret, Pascal Roussel, Lionel Buchaillot, Pierre-Louis Taberna, Patrice Simon, Christophe Lethien

The areal energy density of on-chip micro-supercapacitors should be improved in order to obtain autonomous smart miniaturized sensors. To reach this goal, high surface capacitance electrode (>100 mF cm−2) has to be produced while keeping low the footprint area. For carbide-derived carbon (CDC)…

Advanced Functional Materials, 2017, 27 (20), ⟨10.1002/adfm.201606813⟩. ⟨hal-01582136⟩

Article dans une revue

Top-down Approach for the Direct Synthesis, Patterning, and Operation of Artificial Micromuscles on Flexible Substrates

Ali Maziz, Cedric Plesse, Caroline Soyer, Eric Cattan, Frederic Vidal

Recent progress in the field of microsystems on flexible substrates raises the need for alternatives to the stiffness of classical actuation technologies. This paper reports a top-down process to microfabricate soft conducting polymer actuators on substrates on which they ultimately operate. The…

ACS Applied Materials & Interfaces, 2016, 3, pp.1559-1564. ⟨10.1021/acsami.5b09577⟩. ⟨hal-02980109⟩

Article dans une revue

Interview: Joseph Agassi

Mauro Condé, Raffaele Pisano, Michael Segre

Joseph Agassi is an Israeli scholar born in Jerusalem on May 7, 1927. He has many books and articles published contributing to the fields of logic, scientific method, foundations of sciences, epistemology and, most importantly for this Journal, in the historiography of science. He studied with Karl…

Transversal: International Journal for the Historiography of Science, 2016, 1 (1), pp.116-119. ⟨10.24117/2526-2270.2016.i1.13⟩. ⟨hal-04509353⟩

Article dans une revue

Calculation of the similarity rate between images based on the local minima present Therein

Karl Hourany, Farouk Benmeddour, Emmanuel Moulin, Jamal Assaad, Youssef Zaatar

Image processing is a very vast field that includes both IT and applied mathematics. It is a discipline that studies the improvement and transformations of digital images hence permitting the improvement of the quality of these images and the extraction of information. The comparison of digital…

Lebanese Science Journal, 2016, 17 (2), pp.177-192. ⟨10.22453/LSJ-017.2.177192⟩. ⟨hal-04087365⟩

Thèse

Scalable digital-to-RF processor for multi-standard and multi-band low power wireless transmitter in 5 GHz and 60 GHz, Processeur numérique/RF adaptatif pour émetteur sans fil multi-bandes multi-standard faible consommation à 5 GHz et 60 GHz

Fikre Gebreyohannes

The vision of research into multi-standard and multi-band systems, architectures, and circuits has been to develop devices which can hope seamlessly from one network to the other while delivering excellent functionality in different radio access technologies.In this work, configurable transmitter…, Le domaine de la recherche dans les multi-standards, les systèmes multi-bandes, architectures, et circuits a été un thème populaire. La perspective est d'avoir des dispositifs qui peuvent être adaptés, parfaitement, aux différents réseaux tout en offrant d'excellentes fonctionnalités sur…

Micro and nanotechnologies/Microelectronics. Universite Lille 1; Isen-lille, 2016. English. ⟨NNT : ⟩. ⟨tel-04345185⟩

Article dans une revue

High temperature gradient micro-sensor for wall shear stress and flow direction measurements, Micro-capteur à fort gradient de température pour des mesures de frottement pariétal et de direction de l'écoulement

Cécile Ghouila-Houri, J. Claudel, J.C. Gerbedoen, Q. Gallas, E. Garnier, A. Merlen, R. Viard, Abdelkrim Talbi, Philippe Pernod

We present an efficient and high-sensitive thermal micro-sensor for near wall flow parameters measurements. By combining substrate-free wire structure and mechanical support using silicon oxide micro-bridges, the sensor achieves a high temperature gradient, with wires reaching 1 mm long for only 3…

Applied Physics Letters, 2016, 109 (241905), 4 p. ⟨10.1063/1.4972402⟩. ⟨hal-01432220⟩

Thèse

Films piézoélectriques sans plomb par une approche sol gel et applications potentielles dans les MEMS, Lead-free piezoelectric films prepared by sol-gel and potential applications in MEMS

Sara Abou Dargham

Les composés à base du plomb sont très utilisés dans l'industrie microélectronique en raison de leurs propriétés ferroélectriques et piézoélectriques. Cependant, en raison de la toxicité du plomb, la recherche est dirigée vers le développement des matériaux piézoélectriques « écologiques » (…, Lead based materials are widely used in microelectronic industry due to their ferroelectric and piezoelectric properties. However, due to lead toxicity, it has recently desired to develop lead-free piezoelectric materials for environmental protection. The aim of this work is to synthesize a lead-…

Micro et nanotechnologies/Microélectronique. Université de Valenciennes et du Hainaut-Cambresis; Université Libanaise, 2016. Français. ⟨NNT : 2016VALE0031⟩. ⟨tel-03461567⟩