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Showing 1 to 12 of 47 entries
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Designing a Thermoelectric Copper-Rich Sulfide from a Natural Mineral: Synthetic Germanite Cu.

Inorganic chemistry

Pavan Kumar V, Paradis-Fortin L, Lemoine P, Caignaert V, Raveau B, Malaman B, Le Caër G, Cordier S, Guilmeau E.
PMID: 29052982
Inorg Chem. 2017 Nov 06;56(21):13376-13381. doi: 10.1021/acs.inorgchem.7b02128.

This study shows that the design of copper-rich sulfides by mimicking natural minerals allows a new germanite-type sulfide Cu

Gas phase infrared spectroscopy of selectively prepared ions.

Physical review letters

Lemaire J, Boissel P, Heninger M, Mauclaire G, Bellec G, Mestdagh H, Simon A, Le Caer S, Ortega JM, Glotin F, Maitre P.
PMID: 12513202
Phys Rev Lett. 2002 Dec 30;89(27):273002. doi: 10.1103/PhysRevLett.89.273002. Epub 2002 Dec 18.

The first example of direct structural characterization of polyaromatic ions by coupling a Fourier transform ion cyclotron resonance mass spectrometer with an infrared free-electron laser is presented. Measurement of the IR spectra of selectively prepared ionic reactive intermediates is...

Accurate measurement of the relative bond energies of CO and H2O ligands in Fe+ mono- and bis-ligated complexes.

Rapid communications in mass spectrometry : RCM

le Caër S, Heninger M, Maître P, Mestdagh H.
PMID: 12569446
Rapid Commun Mass Spectrom. 2003;17(4):351-7. doi: 10.1002/rcm.916.

The systems Fe(H(2)O)(n) (+)/CO[bond]H(2)O and Fe(CO)(n) (+)/CO[bond]H(2)O (n = 1 and 2) were investigated in a triple cell Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometer. Using mixtures of CO with a very small amount of water, the ligand...

Radiolysis of confined water: hydrogen production at a high dose rate.

Chemphyschem : a European journal of chemical physics and physical chemistry

Le Caër S, Rotureau P, Brunet F, Charpentier T, Blain G, Renault JP, Mialocq JC.
PMID: 16284996
Chemphyschem. 2005 Dec 09;6(12):2585-96. doi: 10.1002/cphc.200500185.

The production of molecular hydrogen in the radiolysis of dried or hydrated nanoporous controlled-pore glasses (CPG) has been carefully studied using 10 MeV electron irradiation at high dose rate. In all cases, the H2 yield increases when the pore...

Ball milling of an equiatomic sigma--feV alloy in vacuum.

Journal of nanoscience and nanotechnology

Costa BF, Le Caër G.
PMID: 20355512
J Nanosci Nanotechnol. 2010 Apr;10(4):2850-2. doi: 10.1166/jnn.2010.1374.

A coarse-grained tetragonal sigma phase Fe47.4V52.6 at% alloy was ground in vacuum in a vibratory mill. The sigma phase transforms into a bcc alpha phase. A concomitant partial amorphization of the bcc phase occurs. The near-equiatomic FeV alloys are...

Influence of confinement on free radical chemistry in layered nanostructures.

Scientific reports

Ghandi K, Landry C, Du T, Lainé M, Saul A, Le Caër S.
PMID: 31748626
Sci Rep. 2019 Nov 20;9(1):17165. doi: 10.1038/s41598-019-52662-z.

The purpose of the present work was to study how chemical reactions and the electronic structure of atoms are affected by confinement at the sub-nanometer scale. To reach this goal, we studied the H atom in talc, a layered...

Distribution of the determinant of a random real-symmetric matrix from the gaussian orthogonal ensemble.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Delannay R, Le Caer G.
PMID: 11088616
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000 Aug;62(2):1526-36. doi: 10.1103/physreve.62.1526.

The Mellin transform of the probability density of the determinant of NxN random real-symmetric matrices from the Gaussian orthogonal ensemble is calculated. The determinant probability density is given by a single Meijer G function for odd N. The distribution...

Degradation of an Ethylene Carbonate/Diethyl Carbonate Mixture by Using Ionizing Radiation.

Chemphyschem : a European journal of chemical physics and physical chemistry

Wang F, Varenne F, Ortiz D, Pinzio V, Mostafavi M, Le Caër S.
PMID: 28419652
Chemphyschem. 2017 Oct 06;18(19):2799-2806. doi: 10.1002/cphc.201700320. Epub 2017 May 10.

The reactivity of ethylene carbonate (EC) and of a EC/diethyl carbonate (DEC) mixture was studied under ionizing radiation to mimic the aging phenomena that occur in lithium-ion batteries. Picosecond-pulse radiolysis experiments showed that the attachment of the electron to...

[In memoriam: Wilhelm Brünings].

Zeitschrift fur Laryngologie, Rhinologie, Otologie und ihre Grenzgebiete

LEICHER H.
PMID: 13648617
Z Laryngol Rhinol Otol. 1959 Feb;38(2):68-71.

No abstract available.

Finite size effects on hydrogen bonds in confined water.

Angewandte Chemie (International ed. in English)

Musat R, Renault JP, Candelaresi M, Palmer DJ, Le Caër S, Righini R, Pommeret S.
PMID: 18792051
Angew Chem Int Ed Engl. 2008;47(42):8033-5. doi: 10.1002/anie.200802630.

No abstract available.

Extended Czjzek model applied to NMR parameter distributions in sodium metaphosphate glass.

Journal of physics. Condensed matter : an Institute of Physics journal

Vasconcelos F, Cristol S, Paul JF, Delevoye L, Mauri F, Charpentier T, Le Caër G.
PMID: 23719213
J Phys Condens Matter. 2013 Jun 26;25(25):255402. doi: 10.1088/0953-8984/25/25/255402. Epub 2013 May 29.

The extended Czjzek model (ECM) is applied to the distribution of NMR parameters of a simple glass model (sodium metaphosphate, NaPO3) obtained by molecular dynamics (MD) simulations. Accurate NMR tensors, electric field gradient (EFG) and chemical shift anisotropy (CSA)...

Superferromagnetism in mechanically alloyed fcc Fe(23)Cu(77) with bimodal cluster size distribution.

Journal of physics. Condensed matter : an Institute of Physics journal

Silva NJ, Amaral JS, Amaral VS, Costa BF, Le Caër G.
PMID: 21715830
J Phys Condens Matter. 2009 Jan 28;21(4):046003. doi: 10.1088/0953-8984/21/4/046003. Epub 2008 Dec 22.

Magnetic measurements, x-ray diffraction and Mössbauer spectroscopy were used to characterize a nanostructured fcc Fe(23)Cu(77) at.% alloy prepared by high-energy ball-milling, addressing in particular the effect of clustering on the nature of the interacting magnetic entities. The interpretation of...

Showing 1 to 12 of 47 entries