A. Cousson

Reducing the positional modulation of NbO6-octahedra in SrxBa1-xNb2O6 by increasing the Barium content: A single crystal neutron diffraction study at ambient temperature for x=0.61 and x=0.34 (2008)

Schefer, J., Schaniel, D., Petricek, V., Woike, Th., Cousson, A., Woehlecke, M.

We report on the influence of the Barium content on the modulation amplitude in SrxBa1-xNb2O6 compounds by comparing Sr0.61Ba0.39Nb2O6 (SBN61) and Sr0.34Ba0.66Nb2O6 (SBN34). Our single crystal...

A neutron diffraction study of macroscopically entangled proton states in the high temperature phase of the KHCO3 crystal at 340 K (2008)

Fillaux, F, Cousson, A, Gutmann, MJ

The macroscopic quantum behavior of protons in the KHCO3 crystal : theory and experiments (2008)

Fillaux, F, Cousson, A, Gutmann, MJ

Progress in Theoretical Chemistry and Physics, Vol. 18 (2008), Springer

Proton transfer across hydrogen bonds : from reaction path to Schrödinger's cat (2007)

Fillaux, F, Cousson, A, Gutmann, MJ

Spin density distribution in a partially magnetized organic quantum magnet (2006)

Zheludev, A., Garlea, V. O., Nishihara, S., Hosokoshi, Y., Cousson, A., Gukasov, A., ...

Polarized neutron diffraction experiments on an organic magnetic material reveal a highly skewed distribution of spin density within the magnetic molecular unit. The very large magnitude of the...

Macroscopic quantum tunnelling of protons in the KHCO3 crystal (2006)

Fillaux, F, Cousson, A, Gutmann, M J

Macroscopic quantum tunneling of protons in the KHCO3 crystal (2006)

Fillaux, F, Cousson, A, Gutmann, M J

Macroscopic quantum entanglement reveals an unforeseen mechanism for proton transfer across hydrogen bonds in the solid state. We utilize neutron scattering techniques to study proton dynamics in the...

Crystal and magnetic structure of La_{1-x}Sr_{1+x}MnO_{4} : role of the orbital degree of freedom (2004)

Senff, D., Reutler, P., Braden, M., Friedt, O., Bruns, D., Cousson, A., ...

The crystal and magnetic structure of La_{1-x}Sr_{1+x}MnO_4 (0

Crystal structures and proton dynamics in potassium and cesium hydrogen bistrifluoroacetate salts with strong symmetric hydrogen bonds (2004)

Cousson, A., Archilla, J. F. R., Tomkinson, J., Fillaux, F.

The crystal structures of potassium and cesium bistrifluoroacetates were determined at room temperature and at 20 K and 14 K, respectively, with the single crystal neutron diffraction technique. The...

Comment on: 'Quantum correlation between protons in potassium bicarbonate' by D A Keen and S W Lovesey, J Phys:Cond Matter 15 4937-4946 (2003) (2004)

Fillaux, F, Cousson, A

Crystal structure and proton dynamics in potassium and cesium hydrogen bistrifluoroacetate salts with strong symmetric hydrogen bonds (2004)

Cousson, A, Archilla, JFR, Tomkinson, J, Fillaux, F

Comment on: “A symmetric hydrogen bond revisited: potassium hydrogen maleate by variable temperature, variable pressure neutron diffraction and plane-wave DFT methods” [Chem Phys Lett 381 102 (2003)] (2004)

Fillaux, F, Cousson, A, Tomkinson, J

Determination of the Crystal Structure of Lead Tungstate by Neutron Diffraction (2003)

Cousson, A, Chipaux, R, Paulus, W

The crystal structure of lead tungstate, PbWO4, is tetragonal, scheelite type, space group I4<sub1>/a. This compound, due to the difference in the vapour pressure of the two raw oxides, WO3 and...

Observation of the dynamical structure arising from spatially extended quantum entanglement and long-lived quantum entanglement and long-lived quantum coherence in the KHCO3 crystal (2003)

Fillaux, F, Cousson, A, Keen, D A

Experimental studies and theory of nonlinear rotational dynamics in the quantum regime: the interplay of structure, dynamics and localization in crystals (2003)

Fillaux, F, Nicolai, B, Cousson, A

in Localization & Energy Transfer in Nonlinear Systems, Eds L Vazquez, R S MacKay, M P Zorzano, (World Scientific, Publishing Co., Inc) p68 (2003) ISBN 981-283-296-8

Antiferromagnetic ordering in the KTb3F12 mixed-valence (III/IV)terbium fluoride studied by neutron diffraction and magnetic measurements (2003)

Largeau, E., El-Ghozzi, M., Avignant, D., Guillot, M., Bourée, F., André, G., ...

Magnetic properties of a mixed-valence (III/IV) terbium fluoride KTb3F12 (2002)

Guillot, M., El-Ghozzi, M., Avignant, D., André, G., Bourée, F., Cousson, A.

The mixed-valence terbium (III/IV) fluoride KTb3F12 crystallizes with the tetragonal symmetry, space group I4/m. Below T-N=3.6+/-0.1 K this compound exhibits an antiferromagnetic collinear structure...

Delocalization of methyl groups protons or deuterons in molecular compounds (2001)

Meinnel, J, Cousson, A, Boudjada, F, Plazanet, M, Mani, M

Structure of trihalogenomesitylenes and tunneling of the methyl groups protons II. Protonated tribromomesitylene (2001)

Meinnel, J, Mani, M, Cousson, A, Boudjada, F, Paulus, W, Johnson, M M

Structure and dynamics of the hydrogen bond in potassium hydrogen maleate: a neutron scattering study (1999)

Fillaux, F, Leygue, N, Tomkinson, J, Cousson, A, Paulus, W

Tribromomesitylene structure at 14K : Methyl conformation and tunnelling (1999)

Boudjada, F, Meinnel, J, Cousson, A, Paulus, W, Mani, M, Sanquer, M

Neutrons and Numerical Methods - N2M, Eds M R Johnson, G J Kearley, H G Buttner, AIP Conference Proceedings 479 217 (1999)

Structural Study of TlH2PO4 and TlD2PO4 in the High Temperature Phase (1995)

Rios, S., Paulus, W., Cousson, A., Quilichini, M., Heger, G., Le Calvé, N., ...

The crystal structures of both TlH2PO4 and its deuterated form TlD2PO4 have been studied at 373 K using single-crystal neutron diffraction. Data were collected on a four-circle diffractometer at...

Structural Study of TlH2PO4 and TlD2PO4 in the High Temperature Phase (1995)

Rios, S., Paulus, W., Cousson, A., Quilichini, M., Heger, G., Le Calvé, N., ...

The crystal structures of both TlH2PO4 and its deuterated form TlD2PO4 have been studied at 373 K using single-crystal neutron diffraction. Data were collected on a four-circle diffractometer at...

Structural Study of TlH2PO4 and TlD2PO4 in the High Temperature Phase (1995)

Rios, S., Paulus, W., Cousson, A., Quilichini, M., Heger, G., Le Calvé, N., ...

The crystal structures of both TlH2PO4 and its deuterated form TlD2PO4 have been studied at 373 K using single-crystal neutron diffraction. Data were collected on a four-circle diffractometer at...

Induction of Stomatal Closure by Vanadate or a Light/Dark Transition Involves Ca2+-Calmodulin-Dependent Protein Phosphorylations.

Cousson, A., Cotelle, V., Vavasseur, A.

Previous studies indicate that a continual source of adenosine 5[prime]-triphosphate is required for both opening and closing of stomata. However, vanadate (Na3VO4 at 500 [mu]M) as well as a...

Structure cristalline des halogenmesitylenes:effet tunnel des groupes methyles

Meinnel, J, Mani, M, Paulus, W, Cousson, A, Boudjada, A, Carlile, C, ...

Physical and Chemical News 8 48-50 (2002)

Induction of Stomatal Closure by Vanadate or a Light/Dark Transition Involves Ca2+-Calmodulin-Dependent Protein Phosphorylations.

Cousson, A., Cotelle, V., Vavasseur, A.

Previous studies indicate that a continual source of adenosine 5[prime]-triphosphate is required for both opening and closing of stomata. However, vanadate (Na3VO4 at 500 [mu]M) as well as a...