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Article dans une revue

Detection of biofilm formation by ultrasonic Coda Wave Interferometry

Bowei Chen, Marwan Abdallah, Pierre Campistron, Emmanuel Moulin, Dorothée Debavelaere-Callens, Simon Khelissa, Pascal Debreyne, Nour-Eddine Chihib, Guillaume Delaplace

The biofilm formation on food-contact-surfaces is a serious threat for public health and often results in huge human and economic losses. Thus, it is of importance to develop new strategies that allow the monitoring of the biofilm formation on food-contact-surfaces. Such strategies permit effective…

Journal of Food Engineering, 2021, Journal of Food Engineering, 290, pp.110219. ⟨10.1016/j.jfoodeng.2020.110219⟩. ⟨hal-03049067⟩

Article dans une revue

Thermoelectric properties of nanostructured porous-polysilicon thin films

Katir Ziouche, Ibrahim Bel-Hadj, Zahia Bougrioua

In this paper, we address the optimization of the electrical and thermoelectrical properties of nanostructured polysilicon material for integration in thermoelectric (TE) devices. In particular, we describe an original method to build a superficial and nanostructured porous polysilicon (POpSi) thin…

Nano Energy, 2021, 80, pp.105553. ⟨10.1016/j.nanoen.2020.105553⟩. ⟨hal-02990079⟩

Article dans une revue

Selective GaN sublimation and local area regrowth for co-integration of enhancement mode and depletion mode Al(Ga)N/GaN high electron mobility transistors

Thi Huong Ngo, Rémi Comyn, Sébastien Chenot, Julien Brault, Benjamin Damilano, Stéphane Vézian, Eric Frayssinet, Flavien Cozette, Christophe Rodriguez, Nicolas Defrance, François Lecourt, Nathalie Labat, Hassan Maher, Yvon Cordier

In this paper, we report on the fabrication of a normally-off Al(Ga)N/GaN high electron mobility transistor with selective area sublimation under vacuum of the p type doped GaN cap layer. This soft method makes it possible to avoid damages otherwise induced by post processing with reactive ion…

Semiconductor Science and Technology, 2021, 36 (2), pp.024001. ⟨10.1088/1361-6641/abcbd3⟩. ⟨hal-03035072⟩

Article dans une revue

Effect of damping on magnetic induced resonances in cross waveguide structures

Abdelkader Mouadili, El Houssaine El Boudouti, Abdellatif Akjouj, Housni Al-Wahsh, Bahram Djafari-Rouhani, L. Dobrzynski

We consider, in the frame of long-wavelength Heisenberg model, a simple magnetic device consisting of two dangling side stubs grafted at the same site along a waveguide. This simple structure is designed to obtain bound in continuum (BIC) modes, magnonic induced transparency (MIT) and magnonic…

Journal of Superconductivity and Novel Magnetism, 2021, 34 (2), pp.597-608. ⟨10.1007/s10948-020-05742-5⟩. ⟨hal-03322501⟩

Article dans une revue

2DEG transport properties over temperature for AlGaN/GaN HEMT and AlGaN/InGaN/GaN pHEMT

Md. Abdul Kaium Khan, Mohammad Abdul Alim, Christophe Gaquière

For the commercial implementation of GaN-based high electron mobility transistor (HEMT) and GaN-based pseudomorphic HEMT (pHEMT), the temperature dependency of the two-dimensional electron gas (2DEG) is crucial. Herein, the temperature dependency of 2DEG for AlGaN/GaN HEMT and AlGaN/InGaN/GaN pHEMT…

Microelectronic Engineering, 2021, 238, pp.111508. ⟨10.1016/j.mee.2021.111508⟩. ⟨hal-03124392⟩

Article dans une revue

GaN-on-silicon transistors with reduced current collapse and improved blocking voltage by means of local substrate removal

Idriss Abid, Eleonora Canato, Matteo Meneghini, Gaudenzio Meneghesso, Kai Cheng, F Medjdoub

We report on the demonstration of low trapping effects above 1200 V of GaN-on-silicon transistors using a local substrate removal (LSR) followed by a thick backside ultra-wide-bandgap AlN deposition. Substrate ramp measurements show reduced hysteresis up to 3000 V. It has been found that the LSR…

Applied Physics Express, 2021, 14 (3), pp.036501. ⟨10.35848/1882-0786/abdca0⟩. ⟨hal-03113165⟩

Article dans une revue

Effect of In0.70Ga0.30As quantum dot insertion in the middle cell of InyGa1-yP/InxGa1-xAs/Ge triple-junction for solar cells

Abdelkader Aissat, Said Nacer, Jean-Pierre Vilcot

This paper focuses on the simulation and optimization of electrical and structural properties of high efficiency InGaP/InGaAs/Ge triple junction solar cells that incorporate In0.7Ga0.3As quantum dots with in the GaAs middle cell material. Current density-voltage (J-V), external quantum efficiency (…

Superlattices and Microstructures, 2021, 149, pp.106760 -. ⟨10.1016/j.spmi.2020.106760⟩. ⟨hal-03493013⟩

Article dans une revue

Anti-biofilm activity of dodecyltrimethylammonium chloride microcapsules against Salmonella enterica serovar Enteritidis and Staphylococcus aureus

Simon Khelissa, Adem Gharsallaoui, Jian Wang, Emilie Dumas, Alexandre Barras, Charafeddine Jama, Fouzia Jbilou, Noureddine Loukili, Nour-Eddine Chihib

Dodecyltrimethylammonium chloride (DTAC) was trapped into maltodextrins/pectin spray dried microcapsules to improve its activity against Salmonella enteritidis and Staphylococcus aureus biofilms. Two different microcapsules were prepared: uncomplexed DTAC-microcapsules (UDM), containing DTAC and…

Biofouling, 2021, Biofouling, 37 (1), pp.49-60. ⟨10.1080/08927014.2021.1873958⟩. ⟨hal-03127835⟩