Transition from van-der-Waals to hydrogen-bridge bonding dominated interaction upon physisorption on graphite reported in Physical Review Letters .

Collective orientational order of molecular liquids revealed by optical birefringence

December 2, 2010

High-resolution optical birefringence isotherms reveal collective orientational order in molecular liquids upon condensation in a monolithic, mesoporous silica membrane (see publication in Physical Review B [pdf]).

X-mas hike 2010

20.12.2010 Christmas & Spicy Wine Hike
on the Kirkeler Felsenpfad (Saarland)

We enjoyed a beautiful hike on the Kirkeler Felsenpfad. Press thumbnails to see more pictures of the trip or check Outings to see pictures from previous Christmas hikes.

Optical Switching - Movie

October 21, 2010

Short video on optical switching in a porous silica matrix.
Press this link in order to see the same phenomenology for porous alumina!

For more information on the physics of the process, see the following article - pdf.