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Affichage de 3211 à 3220 sur 16181

Article dans une revue

Van Hove singularities and trap states in two-dimensional CdSe nanoplatelets

Nemanja Peric, Yannick Lambert, Shalini Singh, Ali Hossain Khan, Nathali Alexandra Franchina Vergel, D. Deresmes, Maxime Berthe, Zeger Hens, Iwan Moreels, Christophe Delerue, B. Grandidier, Louis Biadala

Semiconductor nanoplatelets, which offer a compelling combination of the flatness of two-dimensional semiconductors and the inherent richness brought about by colloidal nanostructure synthesis, form an ideal and general testbed to investigate fundamental physical effects related to the...

Nano Letters, 2021, 21 (4), pp.1702-1708. ⟨10.1021/acs.nanolett.0c04509⟩. ⟨hal-03152599⟩

Article dans une revue

Development of broadband high-frequency piezoelectric micromachined ultrasonic transducer array

Xu-Bo Wang, Le-Ming He, You-Cao Ma, Wen-Juan Liu, Wei-Jiang Xu, Jun-Yan Ren, Antoine Riaud, Jia Zhou

Piezoelectric micromachined ultrasonic transducers (PMUT) are promising elements to fabricate a two-dimensional (2D) array with a pitch small enough (approximately half wavelength) to form and receive arbitrary acoustic beams for medical imaging. However, PMUT arrays have so far failed to combine...

Sensors, 2021, 21 (5), pp.1823. ⟨10.3390/s21051823⟩. ⟨hal-03260141⟩

Article dans une revue

Thermoacoustic wave generation in multilayered thermophones with cylindrical and spherical geometries

Pierre Guiraud, Stefano Giordano, Olivier Bou Matar, Philippe Pernod, Raphael Lardat

A thermoacoustic sound generation model, based on the classical balance equations of the continuum mechanics, is here developed for the cylindrical and the spherical thermoacoustic wave generation. In both geometries, the model considers an arbitrary multilayered structure, where each layer can be...

Journal of Applied Physics, 2021, 129 (11), pp.115103. ⟨10.1063/5.0039458⟩. ⟨hal-03181464⟩

Article dans une revue

Modeling and experimental analysis of the mass loading effect on micro-ionic polymer actuators using step response identification

Iman Dadras, Sofiane Ghenna, Sébastien Grondel, Eric Cattan, Jaan Raik, Alvo Aabloo, Saoni Banerji

This paper presents a linear electrochemomechanical model for microscale ionic actuators. A frequency-domain approach is used to facilitate model interpretation, simplify model application, and accelerate the generation of actuator-specific models. A system comprising a micro PEDOT:PSS/PEO actuator...

Journal of Microelectromechanical Systems, 2021, 30 (2), pp.243-252. ⟨10.1109/JMEMS.2021.3060897⟩. ⟨hal-03162798⟩

Autre publication scientifique

Author Correction: Optoelectronic mixing with high-frequency graphene transistors (Nature Communications, (2021), 12, 1, (2728), 10.1038/s41467-021-22943-1)

A. Montanaro, W. Wei, D. de Fazio, U. Sassi, G. Soavi, P. Aversa, A.C. Ferrari, Henri Happy, P. Legagneux, Emiliano Pallecchi

The original version of this Article contained an error in Fig. 7 and Fig. 8a, c, in which the unit on the vertical axes incorrectly read “μS”. This has been corrected to “S” in both the PDF and HTML versions of the Article. © 2021 The Author(s).

2021, pp.3507. ⟨10.1038/s41467-021-23916-0⟩. ⟨hal-03542160⟩

Communication dans un congrès

Back gate impact on the noise performances of 22FDX fully-depleted SOI CMOS

Ousmane Magatte Kane, Luca Lucci, Pascal Scheiblin, Thierry Poiroux, Jean-Charles Barbé, Francois Danneville

Ultra-Thin-Body and Back-oxide Fully-Depleted Silicon-On-Insulator (UTBB-FDSOI) MOSFETs are the most recent and advanced Silicon-On-Insulator (SOI) architecture proposed to overcome the down-scaling limitations of traditional bulk devices. The UTBB-FDSOI architecture has already been proved very...

15th European Microwave Integrated Circuits Conference, EuMIC 2020, Jan 2021, Utrecht, Netherlands. 81-84, https://ieeexplore.ieee.org/abstract/document/9337333. ⟨hal-03462849⟩

Communication dans un congrès

Temperature Sensitivity of Surface Phononic Crystals modes (SPnC) based on Ni Pillars array deposited on LiNBO3

Abdelkrim Talbi, Ghizlane Boussatour, Aurelien Mazzamurro, Cécile Ghouila-Houri, Olivier Boumatar, Philippe Pernod

This work focuses on the theoretical and experimental investigation of acoustic waves sensors based on 2D Surface Phononic Crystals (PnC). We investigated the temperature coefficient of frequency (TCF) for surface localized modes in 2D PnCs composed of Ni pillars deposited on Y-cut LiNBO3 substrate...

2021 Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2021, Aug 2021, Paris, France. pp.1-3, ⟨10.1109/DTIP54218.2021.9568671⟩. ⟨hal-03541057⟩

Article dans une revue

An effective thermal conductivity model for architected phase change material enhancer: theoretical and experimental investigations

Romain Hubert, Olivier Bou Matar, Jerome Foncin, Philippe Coquet, Dunlin Tan, Hongling Li, Edwin Hang Tong Teo, Thomas Merlet, Philippe Pernod

Phase Change Materials (pcm) have been widely used for thermal energy storage due to their high latent heat of fusion. However, PCMs suffer from their very low thermal conductivity which limits heat spreading around the heat source. Without proper thermal conductivity enhancement, melting would...

International Journal of Heat and Mass Transfer, 2021, 176, pp.121364. ⟨10.1016/j.ijheatmasstransfer.2021.121364⟩. ⟨hal-03501627⟩

Article dans une revue

Two Ensemble-CNN Approaches for Colorectal Cancer Tissue Type Classification

Emanuela Paladini, Edoardo Vantaggiato, Fares Bougourzi, Cosimo Distante, Abdenour Hadid, Abdelmalik Taleb-Ahmed

In recent years, automatic tissue phenotyping has attracted increasing interest in the Digital Pathology (DP) field. For Colorectal Cancer (CRC), tissue phenotyping can diagnose the cancer and differentiate between different cancer grades. The development of Whole Slide Images (WSIs) has provided...

Journal of Imaging, 2021, 7 (3), pp.51. ⟨10.3390/jimaging7030051⟩. ⟨hal-03558172⟩

Article dans une revue

Single-charge effects in silicon nanocrystals probed by atomic force microscopy: From charge blinking to nanocrystal charging

Thierry Melin, D. Deresmes

We investigate the electrical properties of individual silicon nanocrystals (NCs) by means of atomic/electrostatic force microscopy at atmospheric pressure, with the sensitivity of the elementary charge. Using a tip bias close to the sample surface potential for the sample topography imaging, NCs...

Journal of Applied Physics, 2021, 130 (6), pp.065103. ⟨10.1063/5.0054744⟩. ⟨hal-03347251⟩