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Unit cells of clathrate structure I and clathrate structure II. Different types of polyhedral cages are represented in different colours. Reproduced from Ranieri et al., Nature Comm. Gas clathrate hydrates

materials and processes in a very wide range of domains. In this study, a neutron beam was sent onto a cell containing methane in supercritical conditions at constant temperature T=200 K (above the critical

ng industries that are difficult to electrify and can be used in clean and highly efficient fuel cells with applications ranging from portable electronic devices to vehicles. While one kilogram of hydrogen

which is transmitted down the chains, resulting in an overall polar direction. Plant and bacterial cells generate bunches of these chains all with the same polar direction. They are held together by weak

then can be used as a renewable, environmentally friendly energy carrier, such as in hydrogen fuel cells. Nonetheless, it has proved a major scientific challenge to scale-up photocatalytic water-splitting

long chains of atoms that are chemically joined to play many roles that we all love (organic solar cells) and hate (indestructible plastic pollution). Polymers are useful in liquid form as well: the difference

pool), dilution cryostats, furnaces, cryofurnaces, cryomagnet (vertical field up to 11T), pressure cells (clamps, Paris-Edinburg press), Vacuum box. Thermes spectrometer Analysers (interchangeable) PG (002)

quadrant of reciprocal space. In the two-axis mode, all standard ILL cryostats, furnaces, pressure cells and cryomagnets can be mounted with computer control of the double-axis tilt stage to allow limited

trajectories, FIGARO is less well suited for the study of relatively small solid/liquid interface cells (i.e. 5 cm or less). A particularly useful feature of FIGARO, however, is the ability to gain flux

nucléaires : 1. La prise en compte d’agressions externes extrêmes, significativement plus fortes que celles initialement retenues pour le dimensionnement des installations, de façons indépendantes et cumulées ... noter qu'une recopie de ce contrôle commande est également en place en salle de contrôle du réacteur. Celle-ci permet, en dehors d'un ...