Search Results - "Tucoulou, R."

Impact of the growth strategy and device fabrication on the alloy homogeneity in optoelectronic grade Sn-rich GeSn by Segura-Ruiz, Jaime, Pauc, N., Chrétien, J., Casiez, L., Hartmann, J.M., Chelnokov, A., Calvo, V., Reboud, V., Tardif, S., Tucoulou, R., Villanova, J.

“…[Display omitted] •Homogeneous Sn distribution in GeSn micro-disks with very high Sn concentration.•SiGeSn buffer allows perfect GeSn micro-disks by providing…”
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X-ray diffraction microtomography (XRD-CT), a novel tool for non-invasive mapping of phase development in cement materials by Artioli, G, Cerulli, T, Cruciani, G, Dalconi, M. C, Ferrari, G, Parisatto, M, Rack, A, Tucoulou, R

“…A recently developed synchrotron-based imaging technique, X-ray diffraction microtomography (XRD-CT), has been applied here for the first time to a complex…”
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Nanoscale trace metal imprinting of biocalcification of planktic foraminifers by Toba’s super-eruption by Lemelle, L., Bartolini, A., Simionovici, A., Tucoulou, R., De Nolf, W., Bassinot, F., de Garidel-Thoron, T.

“…Bioactive metal releases in ocean surface water, such as those by ash falls during volcanic super-eruptions, might have a potentially toxic impact on…”
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Biomedical applications of the ESRF synchrotron-based microspectroscopy platform by Bohic, S., Cotte, M., Salomé, M., Fayard, B., Kuehbacher, M., Cloetens, P., Martinez-Criado, G., Tucoulou, R., Susini, J.

“…Very little is known about the sub-cellular distribution of metal ions in cells. Some metals such as zinc, copper and iron are essential and play an important…”
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Two-dimensional hard X-ray beam compression by combined focusing and waveguide optics by JARRE, A, FUHSE, C, OLLINGER, C, SEEGER, J, TUCOULOU, R, SALDITT, T

“…A two-dimensionally confining x-ray channel waveguide structure is combined with a high gain Kirkpatrick-Baez prefocusing mirror system yielding a hard x-ray…”
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Crystallographic study of Si and ZrN coated U–Mo atomised particles and of their interaction with al under thermal annealing by Zweifel, T., Palancher, H., Leenaers, A., Bonnin, A., Honkimaki, V., Tucoulou, R., Van Den Berghe, S., Jungwirth, R., Charollais, F., Petry, W.

“…A new type of high density fuel is needed for the conversion of research and test reactors from high to lower enriched uranium. The most promising one is a…”
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Hard X-ray nanoprobe investigations of the subtissue metal distributions within Daphnia magna by De Samber, B., De Schamphelaere, K. A. C., Janssen, C. R., Vekemans, B., De Rycke, R., Martinez-Criado, G., Tucoulou, R., Cloetens, P., Vincze, L.

“…The unique potential of nanoscale elemental imaging of major/minor and trace-level elemental distributions within thin biological tissue sections of the…”
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Reflective Optics for Hard X-ray Nanofocusing Applications at the ESRF by Barrett, R, Baker, R, Cloetens, P, Morawe, C, Tucoulou, R, Vivo, A

“…The advent of high-brightness X-ray light sources has provided the impetus for the development of focusing systems capable of yielding spatially resolved…”
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Mn-rich clusters in GaN: Hexagonal or cubic symmetry? by Martínez-Criado, G., Somogyi, A., Ramos, S., Campo, J., Tucoulou, R., Salome, M., Susini, J., Hermann, M., Eickhoff, M., Stutzmann, M.

“…In this study, we report the application of synchrotron radiation microprobe to the analysis of Mn-rich clusters in GaN. From the Mn and Ga fluorescence line…”
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Energy and Environmental Science at ESRF by Longo, A., Sahle, Ch. J., Glatzel, P., Giacobbe, C., Rack, A., Mathon, O., Lomachenko, K. A., Segura-Ruiz, J., Villanova, J., Castillo-Michel, H., Vanpeene, V., Tucoulou, R., Schülli, T. U., Martens, I., Drnec, J.

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4D Nano-Tomography for Fundamental Studies in Solidification of Aluminium-Based Alloys by Daudin, R., Villanova, J., Lhuissier, P., Terzi, S., Kumar, R., Tucoulou, R., Salvo, L.

“…This paper describes some experimental results obtained thanks to the development carried out at the ESRF-ID16b beamline (European Synchrotron Research…”
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About molybdenum behaviour during U(Mo)/Al(Si) interaction processes by Iltis, X., Allenou, J., Verhaeghe, B., Palancher, H., Tougait, O., Bonnin, A., Tucoulou, R.

“…U(Mo)/Al(Si) diffusion couples are studied to provide a better understanding of the interaction processes between the U(Mo) fuel and the Al(Si) matrix and,…”
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Analysis of the iron coatings formed during marcasite and arsenopyrite oxidation at neutral-alkaline conditions by Asta Andrés, Maria Pilar, Pérez López, R., Román Ross, G., Illera, V., Cama, Jordi, Cotte, M., Tucoulou, R.

“…In order to study the nature of the precipitates formed on arsenopyrite and marcasite after reacting with neutral to alkaline solutions, a combination of…”
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Perspectives on heterococcolith geochemical proxies based on high-resolution X-ray fluorescence mapping by Suchéras-Marx, B., Giraud, F., Simionovici, A., Daniel, I., Tucoulou, R.

“…Heterococcoliths are micron‐scale calcite platelets produced by coccolithophores. They have been the most abundant and continuous fossil record over the last…”
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U–Mo/Al–Si interaction: Influence of Si concentration by Allenou, J., Palancher, H., Iltis, X., Cornen, M., Tougait, O., Tucoulou, R., Welcomme, E., Martin, Ph, Valot, C., Charollais, F., Anselmet, M.C., Lemoine, P.

“…Within the framework of the development of low enriched nuclear fuels for research reactors, U–Mo/Al is the most promising option that has however to be…”
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Spatially resolved X-ray excited optical luminescence by Martínez-Criado, G., Alén, B., Sans, J.A., Homs, A., Kieffer, I., Tucoulou, R., Cloetens, P., Segura-Ruiz, J., Susini, J., Yoo, J., Yi, G.

“…Spatially resolved luminescence distributions in semiconductor heterostructures were investigated by core level excitation using hard X-ray (sub-) microbeams…”
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Analysis of the interaction products in U(Mo,X)/Al and U(Mo,X)/Al(Si) diffusion couples, with X=Cr, Ti, Zr by Allenou, J., Palancher, H., Iltis, X., Tougait, O., El Bekkachi, H., Bonnin, A., Tucoulou, R.

“…In the framework of the development of a low 235U enriched nuclear fuel for material testing reactors, γ-U(Mo)/Al based materials are considered as the most…”
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Uranium–molybdenum nuclear fuel plates behaviour under heavy ion irradiation: An X-ray diffraction analysis by Palancher, H., Wieschalla, N., Martin, P., Tucoulou, R., Sabathier, C., Petry, W., Berar, J.-F., Valot, C., Dubois, S.

“…Heavy ion irradiation has been proposed for discriminating UMo/Al specimens which are good candidates for research reactor fuels. Two UMo/Al dispersed fuels…”
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Micro-x-ray absorption near-edge structure imaging for detecting metallic Mn in GaN by Martínez-Criado, G., Somogyi, A., Homs, A., Tucoulou, R., Susini, J.

“…In this study, we report the application of a synchrotron radiation microprobe to the analysis of Mn valencies in GaN. X-ray absorption near-edge structure…”
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High-resolution angular beam stability monitoring at a nanofocusing beamline by Tucoulou, R., Martinez-Criado, G., Bleuet, P., Kieffer, I., Cloetens, P., Labouré, S., Martin, T., Guilloud, C., Susini, Jean

“…Two semi‐transparent imaging beam‐position monitors developed at the ESRF have been installed at the micro‐analysis beamline ID22 for monitoring the angular…”
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