Abstract
The investigation of amorphous layers between crystalline lamellae allows the estimation of glass trasition length scales. Low molecular mass liquid crystals can form semicrystalline structures without extensive interfacial layers between crystalline and liquid regions like in polymers. First results from dielectric spectroscopy and calorimetry are presented. The semicrystalline sample shows a, complicated relaxation behavior without a typical glass transition. A thermally activated local process is observed (f 0=1020 Hz; E A=118 kJ/mol). It may be a residuum of the glass transition. Further investigations are necessary to get detailed information about structure d and relaxation behavior of these interesting materials.
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