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Publications 2017

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Les publications visibles ici sont extraites du portail HAL.

Unité : UMR 6252 ou CIMAP.
Date : 2017.

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- Publications globales : AMA - MADIR - SIMUL - LIOA - MIL - NIMPH - PM2E.
- Publications CIRIL

[hal-01607954] Multiple electron capture from isolated protein poly-anions in collision with slow highly charged ions

6 novembre 2017

Collisions of 375 keV Xe25+ ions with trapped mass/charge selected poly-anions of the cytochrome C protein (similar to 12.5 kDa) were studied by coupling a linear quadrupole ion trap with low-energy ion beam facility. Tandem mass spectra were recorded for the protein precursor charge states (...)

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[hal-01622298] Biophysical modelisation of gold nanoparticles radiosensi-tizing effects

24 octobre 2017

The main challenge of radiotherapy is to focus the irradiation dose in cancer cells while preserving the healthy cells surrounding the tumor. Among the different strategies, the use of radiosensitizers aims to amplify the destructive effects of dose in the tumor1. Nanoparticles of heavy metals (...)

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[hal-01620547] Biophysical modelisation of gold nanoparticles radiosensitizing effects

20 octobre 2017

The main challenge of radiotherapy is to focus the irradiation dose in cancer cells while preserving the healthy cells surrounding the tumor. Among the different strategies, the use of radiosensitizers aims to amplify the destructive effects of dose in the tumor [1]. Nanoparticles of heavy (...)

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[hal-01620034] Shortcut in DIC error assessment induced by image interpolation used for subpixel shifting

20 octobre 2017

In order to characterize errors of Digital Image Correlation (DIC) algorithms, sets of virtual images are often generated from a reference image by in-plane sub-pixel translations. This leads to the determination of the well-known S-shaped bias error curves and their corresponding random error (...)

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[in2p3-01617779] Upgrade of the GTS Electron Cyclotron Resonance Ion Source at GANIL

17 octobre 2017

The GTS (Grenoble Test Source) electron cyclotron resonance ion source, operated at 14.5 GHz, provides multiply charged heavy ion beams for the ARIBE (Accélérateurs pour les Recherches Interdisciplinaires avec les Ions de Basse Energie) facility at GANIL (Grand Accélérateur National d’Ions Lourds). (...)

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[hal-01611179] 2.3 mu m Tm3+ : YLF mode-locked laser

5 octobre 2017

A passively mode-locked Tm: YLF laser emitting at 2.3 mu m is reported for the first time, to the best of our knowledge. The continuous-wave stable mode-locking operation is obtained with a semiconductor saturable absorber mirror at a repetition rate of 100 MHz. The average output power is 165 (...)

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[hal-01611169] Instrumentation for ice crystal characterization in laboratory using interferometric out-of-focus imaging

5 octobre 2017

Airborne characterization of ice crystals has important applications. The extreme difficulty of realizing in situ tests requires the development of a complete instrumentation in the laboratory. Such an installation should enable design, development, test, and calibration of instruments in (...)

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[hal-01596425] Purification of sclareol by supercritical CO2 fractionation process

27 septembre 2017

The implementation and optimization of continuous supercritical CO2 fractionation of a clary sage extract containing 25 wt% of sclareol were performed in order to increase its sclareol content. After preliminary experiments confirming the feasibility of the process, different operating (...)

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[hal-01579009] Prospective validation of a lymphocyte infiltration prognostic test in stage III colon cancer patients treated with adjuvant FOLFOX.

30 août 2017

Background The prognostic value of lymphocyte infiltration (LI) of colorectal carcinoma (CC) has been demonstrated by several groups. However, no validated test is currently available for clinical practice. We previously described an automated and reproducible method for testing LI and aimed to (...)

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[hal-01577239] Assessment of Digital Image Correlation Measurement Accuracy in the Ultimate Error Regime : Improved Models of Systematic and Random Errors

25 août 2017

The literature contains many studies on assessment of DIC uncertainties, particularly in the ultimate error regime, when the shape function used to describe the material transformation perfectly matches the actual transformation. For pure sub-pixel translations, bias and random errors obtained (...)

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[hal-01560627] Impact of Gate Drain Spacing on Low-Frequency Noise Performance of In Situ SiN Passivated InAlGaN/GaN MIS-HEMTs

17 juillet 2017

In this paper we investigated the gate–drain access region spacing (L GD) effect on electrical and noise performance of InAlGaN/GaN metal– insulator–semiconductor high electron mobility transistors (MIS-HEMTs) using in situ SiN cap layer as gate insulator. Different L GD of InAlGaN/GaN MIS-HEMTs (...)

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[hal-01532166] Rare-earth doped chalcogenide glasses for mid-IR gas sensor applications

2 juin 2017

Luminescence properties of Pr3+ and Dy3+ doped GaGeSbSe(S) vitreous systems have been studied. The synthesis process to obtain homogeneous glasses has been determined and fibers have been successfully drawn from the produced preforms and characterized. Fibers show a mid-IR luminescence matching (...)

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[hal-01528406] Down-shifting Si-based layer for Si solar applications

31 mai 2017

SiNx and SiNx:Tb3+ thin layers were deposited by reactive magnetron co-sputtering with the objective of optimizing the light management in Si solar cells. Those Si-based layers are developed to be compatible with the Si-PV technology. An efficient energy transfer between SiNx matrix and terbium (...)

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[hal-01523022] Composite stratifié hybride carbone/lin : caractérisation des renforts Carbon

17 mai 2017

La caractérisation du renfort est importante pour bien comprendre le comportement d'un matériau composite lors de sa mise en oeuvre. Dans cet article, le travail de caractérisation réalisé sur des renforts tissés de lin et de carbone sera présenté. Des observations à la caméra ont été réalisées sur le (...)

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[hal-01425234] Fluorenyl Zinc Phosphonate Zn(H 2 O)PO 3 -C 13 H 9 ·H 2 O : Hybrid Columnar Structure with Strong C-H···π Interactions

16 mai 2017

A new zinc phosphonate Zn(H2O)PO3–C13H9·H2O with a columnar structure was synthesized in hydrothermal conditions. This compound crystallizes in space group P21/c [a = 15.832(4) Å, b =5.1915(10) Å, c = 17.519(4) Å and β = 114.479(6)°]. Its inorganic framework consists of isolated chains of (...)

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[hal-01517558] Thermo-stimulated evolution of crystalline structure and dopant distribution in Cu-doped Y- stabilized ZrO 2 nanopowders

11 mai 2017

This work deals with the effect of Cu doping on thermal stability of the structural properties of Y-stabilized ZrO2 nanopowders and dopants’ spatial distribution. The powders were synthesized by a co-precipitation technique, calcinated at Tc = 500–1100 °C during 2 h and studied by x-ray (...)

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[hal-01517548] Impurity-Governed Modification of Optical and Structural Properties of ZrO 2 -Based Composites Doped with Cu and Y

9 mai 2017

The influence of calcination temperature on copper spatial localization in Y-stabilized ZrO 2 powders was studied by attenuated total reflection, diffuse reflectance, electron paramagnetic resonance, transmission electron microscopy, electron energy loss, and energy-dispersive X-ray (...)

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[hal-01507361] Alignment control and atomically-scaled heteroepitaxial interface study of GaN nanowires

13 avril 2017

Well-aligned GaN nanowires are promising candidates for building high-performance optoelectronic nanodevices. In this work, we demonstrate the epitaxial growth of well-aligned GaN nanowires on a [0001]-oriented sapphire substrate in a simple catalyst-assisted chemical vapor deposition process (...)

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[hal-01504807] Modélisation biophysique des effets radiosensibilisants des nanoparticules

10 avril 2017

L’enjeu majeur de la radiothérapie est de concentrer la dose d’irradiation dans les cellules cancéreuses tout en épargnant au mieux les cellules saines. Parmi les stratégies envisagées, l’utilisation de radiosensibilisants vise à amplifier les effets destructeurs de dose dans la tumeur. Les (...)

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[cea-01493350] In situ and time-resolved infrared detection of the reactivity induced by electrons in polymer films

22 mars 2017

The real time and in situ analysis of chemical reactions such as polymerization reactions, polymer degradation, and oxidation of polymers is of utmost importance. Surprisingly, only few experimental tools allowing this are available. To bridge this gap, we have developed a new experimental (...)

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[in2p3-01347982] Characterization and performances of DOSION, a dosimetry equipment dedicated to radiobiology experiments taking place at GANIL

17 mars 2017

Currently,radiobiology experiments using heavy ions at GANIL GrandAccélérateurNationald’IonsLourds) are conducted under the supervision of the CIMAP (Center for research on Ions, MAterials and Photonics). In this context, a new beam monitoring equipment named DOSION has been developed. It allows (...)

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[hal-01467998] Sodalite cages of EMT zeolite confined neutral molecular-like silver clusters

15 février 2017

Stable luminescent silver clusters in nanosized EMT zeolite suspension were prepared and directly observed with high-resolution transmission electron microscopy (HRTEM). The luminescence of the Ag clusters remains stable in time due to their stabilization within the sodalite cages (0.7 nm) of (...)

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[in2p3-01464846] Role of a Neighbor Ion in the Fragmentation Dynamics of Covalent Molecules

10 février 2017

Fragmentation of molecular nitrogen dimers (N2)2 induced by collision with low energy 135 keV Ar 9+ ions is studied to evidence the influence of a molecular environment on the fragmentation dynamics of N2 cations. Following the capture of three or four electrons from the dimer, the 3-body N + 2 (...)

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[hal-01453463] Structural and emission properties of Tb3+-doped nitrogen-rich silicon oxynitride films

3 février 2017

Terbium doped silicon oxynitride host matrix is suitable for various applications such as light emitters compatible with CMOS technology or frequency converter systems for photovoltaic cells. In this study, amorphous Tb3+ ion doped nitrogen-rich silicon oxynitride (NRSON) thin films were (...)

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