@article{QiuBenjaminRamanVenkatesanetal.2020,
  author    = {Qiu, Xunlin and Benjamin, Aravindan Joseph and Raman Venkatesan, Thulasinath and Schmidt, Georg C. and Soler, Ricardo Alonso Quintana and Panicker, Pramul Muraleedhara and Gerhard, Reimund and H{\"u}bler, Arved Carl},
  title     = {Dielectric and electroacoustic assessment of screen-printed piezoelectric polymer layers as flexible transducers},
  series = {IEEE transactions on dielectrics and electrical insulation},
  volume    = {27},
  journal   = {IEEE transactions on dielectrics and electrical insulation},
  number    = {5},
  publisher = {Institute of Electrical and Electronics Engineers},
  address   = {New York, NY},
  issn      = {1070-9878},
  doi       = {10.1109/TDEI.2020.008864},
  pages     = {1683 -- 1690},
  year      = {2020},
  abstract  = {Here, piezoelectric transducers consisting of a P(VDF-TrFE) layer with either silver or PEDOT:PSS screen-printed electrodes are studied. The influence of electrodes on the dielectric and electroacoustic properties are studied in dielectric-spectroscopy and ferroelectric-hysteresis measurements. Only when both the bottom and the top electrodes are made of silver, the typical dielectric relaxation of the P(VDF-TrFE) layer is clearly observed. When one or two of the electrodes are of PEDOT:PSS, a Debye-like relaxation is present. Compared with silver electrodes, PEDOT:PSS electrodes allow for moderate self-healing. Consequently, samples with bottom and top PEDOT:PSS electrodes can be poled to saturation, while samples with silver electrodes can hardly be poled to saturation due to destructive electric breakdown. Acoustic transducer measurements show that silver electrodes facilitate higher and broader frequency operation, while PEDOT:PSS electrodes bring slightly lower total harmonic distortion. Overall, the acoustic performance shows no significant deviations between differently electroded samples so that silver electrodes do not offer any advantages for the transducers studied here due to their much higher tendency for destructive electric breakdown.},
  language  = {en}
}
@article{LauxErmilovaPannwitzetal.2018,
  author    = {Laux, Eva-Maria and Ermilova, Elena and Pannwitz, Daniel and Gibbons, Jessica and H{\"o}lzel, Ralph and Bier, Frank Fabian},
  title     = {Dielectric Spectroscopy of Biomolecules up to 110 GHz},
  series = {Frequenz},
  volume    = {72},
  journal   = {Frequenz},
  number    = {3-4},
  publisher = {De Gruyter},
  address   = {Berlin},
  issn      = {0016-1136},
  doi       = {10.1515/freq-2018-0010},
  pages     = {135 -- 140},
  year      = {2018},
  abstract  = {Radio-frequency fields in the GHz range are increasingly applied in biotechnology and medicine. In order to fully exploit both their potential and their risks detailed information about the dielectric properties of biological material is needed. For this purpose a measuring system is presented that allows the acquisition of complex dielectric spectra over 4 frequency decade up to 110 GHz. Routines for calibration and for data evaluation according to physicochemical interaction models have been developed. The frequency dependent permittivity and dielectric loss of some proteins and nucleic acids, the main classes of biomolecules, and of their sub-units have been determined. Dielectric spectra are presented for the amino acid alanine, the proteins lysozyme and haemoglobin, the nucleotides AMP and ATP, and for the plasmid pET-21, which has been produced by bacterial culture. Characterisation of a variety of biomolecules is envisaged, as is the application to studies on protein structure and function.},
  language  = {en}
}