Publications

• COMM

Ion-beam effect on functional properties of La2Ti2O7 piezoelectric thin films and nanoislands

A. Ferri, S. Saitzek, Z. Shao, A. Bayart, G. Declercq, Jean Costecalde, Denis Remiens, D. Deresmes, David Troadec, Rachel Desfeux

Low-dimensional material can display unique physical phenomena allowing an interesting way for the development of new technologies. In addition, owing the environmental requirements about electronic devices (ferroelectric memories, M/NEMS...), new lead-free piezoelectrics need to be created. In…

European Materials Research Society Spring Meeting, E-MRS Spring 2014, Symposium I - Solution processing and properties of functional oxide thin films and nanostructures, 2014, Lille, France. ⟨hal-00964120⟩

• COMM

Organic synapstor for unconventional computing and biocompatible applications

D. Vuillaume

European Materials Research Society Spring Meeting, E-MRS Spring 2014, Symposium S - Memristormaterials, mechanisms and devices for unconventional computing, 2014, Lille, France. ⟨hal-00957811⟩

• COMM

Synthesis, characterization, and computer simulation of self-assembled Au nanoparticles with memristive behavior

F. Cleri, S. Carrillo, Christophe Krzeminski, Yannick Viero, S. Lenfant, David Guérin, D. Vuillaume

XXVIII International Winterschool on Electronic Properties of Novel Materials, IWEPNM 2014, 2014, Kirchberg, Austria. ⟨hal-00957805⟩

• COMM

Surface acoustic wave bandgaps for conical pillars on a piezoelectric substrate

Abdelali Mrabti, Mourad Oudich, Abdellatif Akjouj, Yan Pennec, Bahram Djafari-Rouhani, Abdelkrim Talbi, Jérémy Streque, Yu Du, Ali Soltani, Philippe Pernod

We report theoretically on the band structure of a square lattice phononic crystal made up of nickel (Ni) conical pillars deposited on the surface of a semi-infinite LiNbO3 substrate. Calculations have been performed with a 3D finite element method taking into account material anisotropy and…

European Materials Research Society Spring Meeting, E-MRS Spring 2014, Symposium D - Phonons and fluctuations in low dimensional structures, 2014, Lille, France. ⟨hal-00962392⟩

• COMM

Back-gated microwave field-effect transistors based on transferred CVD-grown graphene

Wei Wei, Mohamed Moez Belhaj, Geetanjali Deokar, D. Mele, Emiliano Pallecchi, Emmanuelle Pichonat, Dominique Vignaud, Henri Happy

Graphene based transistors have drawn growing interest from both industries and Laboratories [1-3]. In this work, we present both fabrication process and characterization of graphene field-effect transistors. Large scale monolayer graphene was grown by chemical vapor deposition (CVD) on Cu foils…

4th Graphene Conference, Graphene 2014, May 2014, Toulouse, France. 2 p. ⟨hal-00962381⟩

• ART

Design of GaN based optical modulator with Mach-Zehnder interferometer structure

R.W. Purnamaningsih, N.R. Poespawati, Irma Saraswati, El Hadj Dogheche

In this work we have designed a Mach Zehnder interferometer (MZI) for electro optic modulator at telecommunication wavelength using GaN on Sapphire. The knowledge of GaN sample optical properties were also investigated, resulting refractive index for the GaN layers were found to be nTE=2.279±0.001…

WSEAS Transactions on Communications, 2014, 13, pp.229-233. ⟨hal-01044743⟩

• ART

An SVD-aided efficient bit-loading algorithm for MIMO transmission over spatially correlated channels

Imade Fatani, Marie Zwingelstein, Mohamed Gharbi, François-Xavier Coudoux, Marion Berbineau, Marc G. Gazalet

This paper proposes an efficient bit-loading algorithm for Multiple-Input- Multiple-Output transmission over spatially correlated channels with perfect Channel State Information at both link ends. Based onwater-filling principle, the algorithm does not assume the well-known gap approximation and…

Wireless Personal Communications, 2014, 75, pp.1167-1185. ⟨10.1007/s11277-013-1414-3⟩. ⟨hal-00954476⟩

• COMM

Redox-coated nanoelectrode array : when molecular electronics meets electrochemistry

Jorge Trasobares, R. Sivakumarasamy, C. Whal, Francois Vaurette, T. Martin, Jean-Philippe Nys, Dominique Vuillaume, Didier Theron, Nicolas Clément

7th International Conference on Molecular Electronics, ElecMol14, 2014, Strasbourg, France. ⟨hal-01055038⟩

• COMM

The resonance/thickness prediction of an ultra-thin layer by the low-frequency ultrasound

Gui-Jin Yao, Wei-Jiang Xu, Ke-Xie Wang

A prediction method of the thickness, resonant space and frequency for the two cases of an ultra-thin layer and the narrow-band frequency spectra has been developed without the appearance of the resonance/anti-resonance. Using the characteristic of straight line and the period of π of the layer…

21st International Congress on Sound and Vibration, ICSV 21, 2014, Beijing, France. paper 320, 7 p. ⟨hal-01055051⟩

• ART

Bandwidth enhancement in disordered metamaterial absorbers

Jianping Hao, Eric Lheurette, Ludovic Burgnies, Etienne Okada, Didier Lippens

In this letter, we show numerically and experimentally that a positional disorder of a collection of absorbing electromagnetic wave resonators operating in the long wavelength regime dramatically enhances the absorption bandwidth. The demonstration is performed by using single-size ring-shaped thin…

Applied Physics Letters, 2014, 105, 081102, 5 p. ⟨10.1063/1.4894181⟩. ⟨hal-01058509⟩