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A supramolecular ferroelectric with two sublattices and polarization dependent conductivity
H. Mager, M. Litterst, Sophia Klubertz +4
The possibility to combine and finetune properties of functional molecular materials by chemical design is particularly relevant for organic ferroelectrics. In this work, we invest…
Highly polar groups and supramolecular order enable charge injection and long-range conductivity in organic materials without extended π-systems
H. Mager, A. A. Butkevich, S. Klubertz +12
Electronic conductivity in organic materials is well-established. Both semiconductive and metallic behavior is observed in (quasi) 0-, 1-, 2- and 3-dimensional carbon-based materia…
Barkhausen noise in the organic ferroelectric copolymer P(VDF:TrFE)
Andrey Alekseevich Butkevich, Marcel Hecker, Toni Seiler +1
Polarization reversal within a ferroelectric material is commonly described as a progression of smaller switching events, giving rise to crackling or Barkhausen noise. While studie…
Barkhausen noise in the columnar hexagonal organic ferroelectric BTA
Andrey Alekseevich Butkevich, Fabian T. Thome, Toni Seiler +2
Upon a polarization reversal within a ferroelectric material, one stable state changes into another which is typically described by a progression of switching events of smaller fra…