Böhmer, RolandBauer, C.Richert, R.Christensen, T.2008-06-122008-06-122000-02Bauer, C.; Richert, R.; Böhmer, R.; Christensen, T.: Dynamic thermal expansivity near the glass transition. In: Journal of Non-Crystalline Solids - Letter Nr. 1-3, Jg. 262(2000), S. 276-281.http://hdl.handle.net/2003/2552310.17877/DE290R-3190Dielectric techniques were used to investigate the thermal expansivity of polystyrene films. Capacitive scanning dilatometry (CSD) employs temperature ramping in order to monitor the non-linear structural relaxation in the glass transformation range and to quantify liquid fragility. In the linear response regime, the complex thermal expansivity is obtained as a function of the temperature cycling frequency and is observed to reflect the structural relaxation.enElsevier Science530article (journal)