Sonderforschungsbereich (SFB) 458 is a collaborative research center devoted to the study of the motion of mobile ions in materials with disordered structures, from elementary steps to macroscopic transport, thus addressing basic questions of Solid State Ionics. SFB 458 is located at Münster, Germany, and has been funded by the German Science Foundation since January 2000.

Scientists at SFB 458 are working on a comprehensive progamme to investigate the structural and dynamic aspects of ionic motion in structurally disordered crystals, in glasses, polymers and melts, in composite materials and at interfaces. In doing so, they have formed an international network of collaborations.

The logo of SFB 458 characterizes the many-particle problem studied at Münster. What at first sight seems to resemble the initials of our university, Westfälische Wilhelms-Universität, is in effect a highly non-trivial, non-periodic dynamic energy landscape in which mobile ions hop from site to site. Each displacement of an ion immediately changes the shapes of the potentials felt by its neighbors, thus influencing their further motion.

The Special Symposium at SSI-17 is meant to be a forum for SFB 458 scientists to share their most recent results with the entire Solid State Ionics community.

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