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Communication dans un congrès

Scintillators from solution-processable perovskite halide single crystals or quantum dots: the good, the bad, and the ugly

M. D. Birowosuto, F. Maddalena, A. Xie, M. E. Witkowski, M. Makowski, W. Drozdowski, Philippe Coquet, Christophe Dujardin, Cuong Dang

Here we report X- and gamma-ray scintillation properties from solution-processable perovskite (SPP) halide single crystals and quantum dots. We tune the properties of single crystals by replacing the cation, changing the organic ammonium cation spacer, and varying the halide anion. For quantum dots…

Conference on Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXII, Aug 2020, San Diego, CA, United States. 1149415, 8 p., ⟨10.1117/12.2569663⟩. ⟨hal-03322816⟩

Communication dans un congrès

Reference-free damage localization based on pump-probe measurements

Marina Terzi, Lynda Chehami, Emmanuel Moulin, Nikolay Smagin, Vladislav Aleshin

Nondestructive testing is often based on comparison between experimental data measured on damaged and intact samples. However, properties of intact samples can change with time, temperature or other external factors. An alternative approach discussed here solely uses data obtained on a damaged…

e-Forum Acusticum, Dec 2020, Lyon, France. pp.67-72, ⟨10.48465/fa.2020.0754⟩. ⟨hal-03240303⟩

Article dans une revue

L'infini au cours des siècles

Stefano Giordano, Manon Benedito

The fascinating history of the concept of infinity is indissolubly associated with the development of religions, philosophies, mathematics and natural sciences. At the time of the first Greek philosophers, the infinity, or áperion, was a negative concept to be avoided in all rigorous statements.…

K. Revue trans-européenne de philosophie et arts, 2020. ⟨hal-02947970⟩

Communication dans un congrès

Inducing dispersion curves with negative group velocity in inertially amplified phononic crystals through the application of an external state of prestress

M. Miniaci, M. Mazzotti, A. Amendola, F. Fraternali

In this paper, we report about the effect of the application of a state of prestress on the band structure of a periodic phononic crystal characterized by an inertial amplification mechanism. Through a numerical example, we show the possibility of inducing negative group velocity in an isolated…

XI International Conference on Structural Dynamic, EURODYN 2020, Nov 2020, Athens, Greece. pp.612-620, ⟨10.47964/1120.9048.21611⟩. ⟨hal-03135962⟩

Article dans une revue

Polymer photonic crystal membrane for thermo-regulating textile

Salim Assaf, Mohamed Boutghatin, Yan Pennec, V. Thomy, Alexander Korovin, A. Treizebre, Michèle Carette, Abdellatif Akjouj, Bahram Djafari-Rouhani

We study numerically the absorption and scattering properties of a polymer photonic membrane to thermoregulate the human body microclimate which corresponds to the area between the skin and a textile. We first show that the structuration of the absorbing photonic membrane with air holes leads to a…

Scientific Reports, 2020, 10 (1), pp.9855. ⟨10.1038/s41598-020-66731-1⟩. ⟨hal-03142220⟩

Article dans une revue

Physicochemical characterizati on of the fuel by the ultrasound method

Said Soudani, Mohammed Mekkaoui, Georges Nassar, Ziane Derouiche

A physical medium, whatever its nature ,solid, liquid or gaseous is characterized by physicochemical parameter which are unique to it and which differentiate it from any other medium. But it can also be characterized and differentiated by its acoustic parameters: it’s like two sides of the same…

Computer Methods in Materials Science, 2020, 20 (1), pp.33-39. ⟨10.7494/cmms.2020.1.0651⟩. ⟨hal-03629657⟩

Article dans une revue

Channel Estimation Techniques for Millimeter-Wave Communication Systems: Achievements and Challenges

Kais Hassan, Mohammad Masarra, Marie Zwingelstein, Iyad Dayoub

The fifth-generation (5G) of cellular networks and beyond requires massive connectivity, high data rates, and low latency. Millimeter-wave (mmWave) communications is a key 5G enabling technology to meet these requirements thanks to its technical potentials that can be integrated with other 5G…

IEEE Open Journal of the Communications Society, 2020, 1, pp.1336-1363. ⟨10.1109/OJCOMS.2020.3015394⟩. ⟨hal-03455706⟩

Communication dans un congrès

Evaluation of the transient EM interferences impact on the clear channel assessment in Wi-Fi communications

Grecia Romero, Virginie Deniau, Eric Pierre Simon, Christophe Gransart

This paper presents a study about transient electromagnetic (EM) interferences produced by contact losses between the catenary and the pantograph and their impact on the Internet access on board trains. This study is focused on the assessment of the impact of these transient EM interferences on the…

33rd General Assembly and Scientific Symposium of the International-Union-of-Radio-Science, Aug 2020, Rome, Italy. 4 p., ⟨10.23919/URSIGASS49373.2020.9232260⟩. ⟨hal-03322809⟩

Communication dans un congrès

W Band Carbon Nanotubes Interconnects Compatible with CMOS Technology

Philippe Roux-Levy, Joseph de Saxce, Chun Fei Siah, Jianxiong Wang, Beng Kang Tay, Philippe Coquet, Dominique Baillargeat

The following topics are dealt with: III-V semiconductors; wide band gap semiconductors; gallium compounds; CMOS integrated circuits; 5G mobile communication; band-pass filters; antenna phased arrays; Ge-Si alloys; BiCMOS integrated circuits; and array signal processing.

2020 IEEE/MTT-S International Microwave Symposium (IMS), Aug 2020, Los Angeles, United States. pp.1047-1050, ⟨10.1109/IMS30576.2020.9223919⟩. ⟨hal-03140962⟩

Article dans une revue

Active control of the transmission of Lamb waves through an elastic metamaterial

W. Wang, B. Bonello, Bahram Djafari-Rouhani, X. Fang, Yan Pennec, J. Zhao, Y. Jin

We have numerically investigated the transmission of an antisymmetric Lamb wave through a line of silicon pillars erected onto a homogeneous silicon plate when the frequency is tuned to a resonant frequency of the pillars. For either a bending mode or a compressional mode, the resonators emit in…

Journal of Applied Physics, 2020, 128 (6), pp.065107. ⟨10.1063/5.0017526⟩. ⟨hal-02924674⟩