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Article dans une revue

Lithium-doped two-dimensional perovskite scintillator for wide-range radiation detection

Aozhen Xie, Chathuranga Hettiarachchi, Francesco Maddalena, Marcin Witkowski, Michal Makowski, Winicjusz Drozdowski, Arramel Arramel, Andrew Wee, Stuart Victor Springham, Phan Quoc Vuong, Hong Joo Kim, Christophe Dujardin, Philippe Coquet, Muhammad Danang Birowosuto, Cuong Dang

Two-dimensional lead halide perovskites have demonstrated their potential as high-performance scintillators for X- and gamma-ray detection, while also being low-cost. Here we adopt lithium chemical doping in two-dimensional phenethylammonium lead bromide (PEA)2PbBr…

Communications Materials, 2020, 1 (34), ⟨10.1038/s43246-020-0038-x⟩. ⟨hal-03142402⟩

Communication dans un congrès

Subjective and objective quality assessment of the softcast video transmission scheme

Anthony Trioux, Giuseppe Valenzise, Marco Cagnazzo, Michel Kieffer, François-Xavier Coudoux, Patrick Corlay, M Gharbi

SoftCast-based linear video coding and transmission (LVCT) schemes have been proposed as a promising alternative to traditional video coding and transmission schemes in wireless environments. Currently, the performance of LVCT schemes is evaluated by means of traditional objective scores such as…

International Conference on Visual Communications and Image Processing (VCIP 2020), Dec 2020, Macau, China. ⟨10.1109/vcip49819.2020.9301778⟩. ⟨hal-02997050⟩

Article dans une revue

Photoinduced spin dynamics in a uniaxial intermetallic heterostructure $$\hbox {TbCo}_2/\hbox {FeCo}$$

Sergei Ovcharenko, Mikhail Gaponov, Alexey Klimov, Nicolas Tiercelin, Philippe Pernod, Elena Mishina, Alexandr Sigov, Vladimir Preobrazhensky

intermetallic heterostructures of rare-earth and transition metals exhibit physical properties prospective for various applications. these structures combine giant magnetostriction, controllable magnetic anisotropy, magneto-optical activity and allow spin reorientation transitions (SRt) induced by…

Scientific Reports, 2020, 10 (1), ⟨10.1038/s41598-020-72740-x⟩. ⟨hal-02961404⟩

Article dans une revue

Three-dimensional trapping and assembly of small particles with synchronized spherical acoustical vortices

Zhixiong Gong, Michael Baudoin

Three-dimensional harmless contactless manipulation and assembly of micro-objects and microorganisms would open other horizons in microrobotics and microbiology, e.g., for microsystems assembly or tissue engineering. In this paper, we theoretically show that small particles compared to the…

Physical Review Applied, 2020, 14 (6), pp.064002. ⟨10.1103/PhysRevApplied.14.064002⟩. ⟨hal-03329991⟩

Article dans une revue

Derivation of magnetic inertial effects from the classical mechanics of a circular current loop

Stefano Giordano, Pierre-Michel Déjardin

The dynamical equation of a single magnetic moment constituted by a rigid circular current loop is derived from the mechanical Lagrange equations of motion, introducing the Lorentz force and the damping process, described by a well defined dissipative mechanism. It is demonstrated that magnetic…

Physical Review B, 2020, 102 (21), ⟨10.1103/PhysRevB.102.214406⟩. ⟨hal-03278509⟩

Article dans une revue

Bound in continuum states and induced transparency in mesoscopic demultiplexer with two outputs

Z. Labdouti, T. Mrabti, A. Mouadili, E. H. El Boudouti, F. Fethi, Bahram Djafari-Rouhani

We investigate the electronic transport in a simple mesoscopic cross structure made of two wires (stubs) grafted at the same point along a quantum waveguide. We show that the structure may exhibit important phenomena such as bound in continuum (BIC) states. These states are transformed into…

Chinese Physics B, 2020, 29 (12), pp.127301. ⟨10.1088/1674-1056/abad23⟩. ⟨hal-03321546⟩

Article dans une revue

A simple physical mixing method for MnO2/MnO nanocomposites with superior Zn2+ storage performance

Xiao-Bei Zang, Ling-Tong Li, Zhi-Xin Sun, Rabah Boukherroub, Jia-Xin Meng, Kun-Peng Cai, Qing-Guo Shao, Ning Cao

MnO2/MnO cathode material with superior Zn2+ storage performance is prepared through a simple physical mixing method. The MnO2/MnO nanocomposite with a mixed mass ratio of 12:1 exhibits the highest specific capacity (364.2 mA.h/g at 0.2C), good cycle performance (170.4 mA.h/g after 100 cycles) and…

Transactions of Nonferrous Metals Society of China, 2020, 30 (12), pp.3347-3355. ⟨10.1016/S1003-6326(20)65466-8⟩. ⟨hal-03321543⟩

Article dans une revue

Modification of hydroxyapatite surface properties by electron irradiation

Guillaume Bai, Jean-Christophe Hornez, Ulrich Maschke, Philippe Supiot, Etienne Bres

In the present work, the modification of wetting properties of EB irradiated HA ceramics are studied under air and N2 gas atmospheres. We show a noticeable increase of the hydrophily of electron irradiated HA ceramics in an air atmosphere and a lesser increase when the samples are irradiated in an…

Radiation Physics and Chemistry, 2020, Radiation Physics and Chemistry, 177, pp.109192. ⟨10.1016/j.radphyschem.2020.109192⟩. ⟨hal-03104388⟩

Article dans une revue

Ultra-high critical electric field of 13.2 MV/cm for Zn-doped p-type β-Ga2O3

E. Chikoidze, T. Tchelidze, C. Sartel, Z. Chi, R. Kabouche, I. Madaci, C. Rubio, H. Mohamed, V. Sallet, F Medjdoub, A. Perez-Tomas, Y. Dumont

Which the actual critical electrical field of the ultra-wide bandgap semiconductor β-Ga2O3 is? Even that it is usual to find in the literature a given value for the critical field of wide and ultra-wide semiconductors such as SiC (3 MV/cm), GaN (3.3 MV/…

Materials Today Physics, 2020, 15, 100263, 9 p. ⟨10.1016/j.mtphys.2020.100263⟩. ⟨hal-02984814⟩

Article dans une revue

A novel multi-view pedestrian detection database for collaborative intelligent transportation systems

Anouar Ben Khalifa, Ihsen Alouani, Mohamed Ali Mahjoub, Atika Rivenq

Recent advances in machine-learning, especially in deep neural networks have significantly accelerated the development and deployment of transport-oriented intelligent designs with increasingly high efficiency. While these technologies are exceptionally promising toward revolutionizing our current…

Future Generation Computer Systems, 2020, 113, pp.506-527. ⟨10.1016/j.future.2020.07.025⟩. ⟨hal-03141814⟩