Publications

• Article dans une revue

An experimental and systematic insight into the temperature sensitivity for a 0.15-µm gate-length HEMT based on the GaN technology

Mohammad Abdul Alim, Christophe Gaquière, Giovanni Crupi

Presently, growing attention is being given to the analysis of the impact of the ambient temperature on the GaN HEMT performance. The present article is aimed at investigating both DC and microwave characteristics of a GaN-based HEMT versus the ambient temperature using measured data, an equivalent…

Micromachines, 2021, 12 (5), pp.549. ⟨10.3390/mi12050549⟩. ⟨hal-03261250⟩

• Communication dans un congrès

Towards III-V semiconductor-based artificial graphene

Nathali. A. Franchina Vergel, L. Christiaan Post, Davide Sciacca, Maxime Berthe, Francois Vaurette, Yannick Lambert, Dmitri Yarekha, David Troadec, Christophe Coinon, Guillaume Fleury, Abhishek Juyal, Julien Renard, Tao Xu, Ludovic Desplanque, Xavier Wallart, Daniel Vanmaekelbergh, Christophe Delerue, Bruno Grandidier

We present the fabrication and characterization of III-V semiconductor-based samples designed to mimic 2D material electronic properties thanks to a nanometer-scale honeycomb potential. STM/STS results demonstrate that a well reconstructed surface is recovered after processing and that the…

Compound Semiconductor Week2021, CSW 2021, May 2021, Stockholm, Suède., May 2021, Stockholm, Sweden. ⟨hal-04485771⟩

• Communication dans un congrès

InGaAs/Ga(As)Sb nanoscale tunnel junctions grown by selective area molecular beam epitaxy

Alexandre Bucamp, Christophe Coinon, Sylvie Lepilliet, David Troadec, Gilles Patriarche, X. Wallart, L. Desplanque

Compound Semiconductor Week 2021, CSW 2021, May 2021, Stockholm (Suède), Sweden. ⟨hal-04440037⟩

• Article dans une revue

Temperature-sensitivity of two microwave HEMT devices: AlGaAs/GaAs vs. AlGaN/GaN heterostructures

Mohammad Abdul Alim, Abu Zahed Chowdhury, Shariful Islam, Christophe Gaquière, Giovanni Crupi

The goal of this paper is to provide a comparative analysis of the thermal impact on the microwave performance of high electron-mobility transistors (HEMTs) based on GaAs and GaN technologies. To accomplish this challenging goal, the relative sensitivity of the microwave performance to changes in…

Electronics, 2021, 10 (9), pp.1115. ⟨10.3390/electronics10091115⟩. ⟨hal-03278479⟩

• Article dans une revue

Coplanar waveguides on BCB measured up to 760 GHz

Nicolas Zerounian, Walid Aouimeur, Anne-Sophie Grimault-Jacquin, Guillaume Ducournau, Christophe Gaquière, Frédéric Aniel

The integrated THz pattern over any MMIC appears to be a good opportunity to enclose calibration kit suitable for accurate measurements. An original technology based on polymer has been developed. Sub-millimeter single-mode conductor-backed coplanar waveguides using benzocyclobutene polymer and…

Journal of Electromagnetic Waves and Applications, 2021, pp.1-11. ⟨10.1080/09205071.2021.1930588⟩. ⟨hal-03279194⟩

• Article dans une revue

Design of zero bias power detectors towards power consumption optimization in 5G devices

Issa Alaji, Walid Aouimeur, Haitham Ghanem, Etienne Okada, Sylvie Lepilliet, Daniel Gloria, Guillaume Ducournau, Christophe Gaquière

This paper presents the design and characterization of zero bias power detectors, based on MOSFET transistors, integrated in SiGe 55-nm BiCMOS technology from ST-Microelectronics. The working frequency bands of the circuits are located in the range (38–55) GHz, dedicated to optimize the power…

Microelectronics Journal, 2021, 111, pp.105035. ⟨10.1016/j.mejo.2021.105035⟩. ⟨hal-03542166⟩

• Article dans une revue

Evaluation of an antenna selection strategy for reduced massive MIMO complexity

Frédéric Challita, M. Lienard, Davy Gaillot, Jose-Maria Molina-Garcia-Pardo

Massive Multiple-Input Multiple-Output (MIMO) is emerging as one promising technology for the fifth generation (5G), but the hardware and software complexity arising from the sheer number of transmitting elements is a bottleneck. Antenna selection strategies have been reported as an appealing…

Radio Science, 2021, 56 (5), pp.e2020RS007242. ⟨10.1029/2020RS007242⟩. ⟨hal-03346252⟩

• Article dans une revue

Concept of vertical liquid metal actuated cyclo‐olefin‐polymer based embedded 360° steerable Yagi‐Uda antenna

Denis Le Goff, Yves Quéré, Azar Maalouf, Eric Rius, Philippe Coquet, Edwin Hang Tong Teo

The concept of a reconfigurable 5GHz microfluidically actuated antenna with beam forming, steering and hoping in a 360° angular range, is presented in this paper. Its architecture is that of a Yagi-Uda array. Its actuation relies on the electrically controlled vertical displacement of liquid metal…

Microwave and Optical Technology Letters, 2021, 63 (5), pp.1514-1519. ⟨10.1002/mop.32772⟩. ⟨hal-03121599⟩

• Article dans une revue

Broadband sub-diffraction and ultra-high energy density focusing of elastic waves in planar gradient-index lenses

Jinfeng Zhao, Xiaodong Cui, Bernard Bonello, Bahram Djafari-Rouhani, Weitao Yuan, Yongdong P Pan, Jie Ren, Xiaoqing Zhang, Zheng Zhong

We demonstrate experimentally and theoretically the broadband sub-diffraction and ultra-high energy density focusing of elastic wave inside planar gradient-index (GRIN) plate lenses based on thickness variation. The full width at half maximum is ~0.40 times the minimum wavelength inside the lens λ0…

Journal of the Mechanics and Physics of Solids, 2021, 150, pp.104357. ⟨10.1016/j.jmps.2021.104357⟩. ⟨hal-03141945⟩

• Article dans une revue

Facile synthesis of fluorine-free, hydrophobic, and highly transparent coatings for self-cleaning applications

Abderrahmane Hamdi, Julie Chalon, Pascal Laurent, Benoit Dodin, El Hadj Dogheche, Philippe Champagne

Non-fluorinated coatings have recently emerged as a new approach to avoid contamination on transparent surfaces. This research work concerns the synthesis of highly transparent, hydrophobic, durable, and self-cleaning coatings as an alternative to fluorine-based coatings used on glass. The…

Journal of Coatings Technology and Research, 2021, 18, pp.807-818. ⟨10.1007/s11998-020-00444-y⟩. ⟨hal-03149495⟩