Berlin 2005 – wissenschaftliches Programm

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SYRN: From quantisation in the gravitational field to correlated electron systems - Perspectives of research with neutrons

SYRN 1: Perspectives of research with neutrons

SYRN 1.5: Hauptvortrag

Dienstag, 8. März 2005, 16:30–17:00, TU HE101

Scientific Perspectives with New Sources and Methods — •Helmut Schober — Institut Laue Langevin, 6 rue Jules Horowitz, BP 156, 38042 Grenoble Cedex 9

The international landscape of neutron scattering facilities is currently undergoing major reshaping. The new source in Munich (FRM-II) has just been commissioned and will produce first scientific results in 2005. Its nearly complete set of instruments will add unprecedented experimental capacity to existing installations. Like FRM-II neutron facilities all around the world profit from new technology to upgrade the performance of their sources and spectrometers. The upgrade of the facilities is met by efforts of the user community to propose smarter experiments on leading-edge science. During the last decade this process has attained an impressive momentum. Improved flux and higher resolution both in space and time allow for always more precise measurements on samples growing smaller and smaller (0.001 mm3) or becoming more and more dilute (10 ppm). Modern sources and spectrometers equally open the door towards faster kinetic studies. Clever manipulation of the neutron spin leads to new ways to investigate surfaces and interfaces. Dedicated infrastructures make neutrons accessible to engineers and biologists. A completely new dimension of experiment is to be expected from the second-generation spallation sources that are presently under construction in both the United States and Japan. German research centers are actively participating in these efforts.