Universitiy of Potsdam

Applied Condensed Matter Physics

Prof. Dr. Reimund Gerhard
2016-12-01 09:24 by Manuel Schulze
  1. Hristiyan Stoyanov, Matthias Kollosche, Sebastian Risse, Denis N. McCarthy and Guggi Kofod

    "Elastic block copolymer nanocomposites with controlled interfacial interactions for artificial muscles with direct voltage control"

    Soft Matter 7, 194-202, DOI: 10.1039/C0SM00715C (2011).

  2. Matthias Kollosche, Hristiyan Stoyanov, Simon Laflamme and Guggi Kofod

    "Strongly enhanced sensitivity in elastic capacitive strain sensors"

    Journal of Materials Chemistry, DOI: 10.1039/c0jm03786a (2011).

  3. G. Kofod, H. Stoyanov and R. Gerhard

    "Multilayer coaxial fiber dielectric elastomers for actuation and sensing"

    Applied Physics A: Materials Science & Processing 102, 577-581, DOI:10.1007/s00339-010-6066-5(2011).

  4. Xunlin Qiu, Reimund Gerhard and Axel Mellinger

    "Turning Polymer Foams or Polymer-Film Systems into Ferroelectrets: Dielectric Barrier Discharges in Voids"

    IEEE Transactions on Dielectrics and Electrical Insulation 18, 34-42 (2011).

  5. M. Kollosche, S. Döring, J. Stumpe, and G. Kofod

    "Voltage-controlled compression for period tuning of optical surface relief gratings"

    Optics Letters 36, 1389-1391, DOI:10.1364/OL.36.001389 (2011).

  6. Dmitry Rychkov and Reimund Gerhard

    "Stabilization of positive charge on polytetrafluoroethylene electret films treated with titanium-tetrachloride vapor"

    Applied Physics Letters 98, 122901, DOI: 10.1063/1.3565166 (2011).

  7. Reimund Gerhard

    "Honoring Professor Gerhard M. Sessler on his 80th Birthday (15th of February 2011)"

    IEEE Transactions on Dielectrics and Electrical Insulation 18, ISSN: 1070-9878 (1-2 Feb 2011).

  8. René Kalbitz, Peter Frübing, Reimund Gerhard, and D. M. Taylor

    "Stabilityof polarization in organic ferroelectric metal-insulator-semiconductor structures"

    Applied Physics Letters 98, 033303, DOI: 10.1063/1.3543632 (2011).

  9. Matthias Kollosche, Hristiyan Stoyanov, Stefan Best, Hulya Ragusch and Guggi Kofod

    "Parameter dependence of an electro-mechanical breakdown model for insulating elastomeric films"

    Proc. SPIE 7976, 79760S (2011), DOI:10.1117/12.880771.

  10. G. Kofod, H. Stoyanov, M. Kollosche, S. Risse, H. Ragusch, D. N. McCarthy, R. Wache, D. Rychkov, and M. Dansachmuller

    "Molecular level materials design for improvements of actuation properties of dielectric elastomer actuators"

    Proc. SPIE 7976, 79760J (2011), DOI:10.1117/12.880981.

  11. Peng Fang, Feipeng Wang, Werner Wirges, Reimund Gerhard and Heitor Cury Basso

    "Three-layer piezoelectrets from fluorinated ethylene-propylene (FEP) copolymer films"

    Applied Physics A: Materials Science & Processing 103, 455-461, DOI:10.1007/s00339-010-6008-2(2011).

  12. M. Kappel, M. Abel and R. Gerhard

    "Comparison of measurements on a simplified piano model with a condenser microphone and a piezoelectric polymer sensor"

    Proceeding: DAGA Düsseldorf, 2011.

  13. Marcel Kappel, Markus Abel, and Reimund Gerhard

    "Characterization and calibration of piezoelectric polymers: In situ measurements of body vibrations"

    Review of Scientific Instruments 82, 075110, DOI: 10.1063/1.3607435 (2011).

  14. Karsten Ahnert, Markus Abel, Matthias Kollosche, Per Jørgen Jørgensen and Guggi Kofod

    "Soft capacitors for wave energy harvesting"

    Journal of Materials Chemistry, DOI: 10.1039/C1JM12454D (2011).

  15. Sebastian Döring, Matthias Kollosche, Torsten Rabe, Joachim Stumpe, Guggi Kofod

    "Electrically Tunable Polymer DFB Laser"

    Advanced Materials, DOI: 10.1002/adma.201102465 (2011).

  16. Axel Mellinger and Olena Mellinger

    "Breakdown threshold of dielectric barrier discharges in ferroelectrets: where Paschen's law fails"

    IEEE Transactions on Dielectrics and Electrical Insulation 18, ISSN: 1070-9878, DOI: 10.1109/TDEI.2011.5704491 (2011).

  17. Xunlin Qiu, Werner Wirges, and Reimund Gerhard

    "Beneficial and detrimental fatigue effects of dielectric barrier discharges on the piezoelectricity of polypropylene ferroelectrets"

    Journal of Applied Physics 110, 024108 (2011).

  18. R. Gerhard

    "Some Fundamental Considerations about Polymer Electrets for Electro-Mechanical and Mechano-Electrical Transducers"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 05-06 (2011).

  19. Z. Sun, X. Zhang, Z. Xia, X. Qiu, W. Wirges, R. Gerhard, C. Zeng, C. Zhang, and B. Wang

    "Investigation into Polarization and Piezoelectricity in Polymer Films with Artificial Void Structure"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 23-24 (2011).

  20. A. St-Georges-Robillard, J.C: Ruiz, A. Petit, F. Mwale, W. Wirges, B. Elkin, R. Gerhard, C. Oehr, and M.R. Wertheimer

    "Adhesion of U937 Monocytes on Polymer Surfaces: Chemistry or Electrostatics?"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 53-54 (2011).

  21. P. Frübing, F. Wang, M. Wegener, and R. Gerhard

    "Peculiarities of the Dielectric and Dynamic-Mechanical Response in Poly(vinylidene fluoride - hexafluoropropylene)"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 79-80 (2011).

  22. S. Harris, O. Mellinger, and A. Mellinger

    "Simulation of Space Charge Deposition by Barrier Discharges in Piezoelectric Polymer Foams"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 83-84 (2011).

  23. D.A. Rychkov, A.E. Kuznetsov, A.A. Rychkov, and V.A. Goldade

    "Electret Properties of Polyethylene Films Modified with Titanium Tetrachloride Vapor"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 113-114 (2011).

  24. A. Gulyakova, P. Frübing, and Yu. Gorokhovatskiy

    "Relaxation Processes and Electret Properties of Titanium-Dioxide Filled High-Impact Polystrene Films"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 139-140 (2011).

  25. N. Marroquin Jacobs, X. Qiu, and R. Gerhard

    "Influence of Thermal Treatment on the Electrical and Electromechanical Properties of Cellular Polypropylene Ferroelectrets"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 179-180 (2011).

  26. N. Kozhevnikova, P. Frübing, A. Mellinger, and R. Gerhard

    "Thermally and Optically Stimulated Discharge Phenomena in Dye-doped Cyclic Olefin Copolymers"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 207-208 (2011).

  27. L. Holländer, W. Wirges, and R. Gerhard

    "Remanent Alignment of a Nematic Liquid Crystal Dispersed in Electrically Poled Poly(Vinylidenefluoride-Trifluoroethylene)"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 221-222 (2011).

  28. R. Kalbitz, P. Frübing, R. Gerhard, and D.M. Taylor

    "Organic Non-volatile Memory Devices Based on a Ferroelectric Polymer"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 223-224 (2011).

  29. X. Qiu, W. Wirges, and R. Gerhard

    "Plasma Modification of the Internal Polymer Surface and Poarization Fatigue in Cellular-Polypropylene Ferroelectrets"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 225-226 (2011).

  30. R.A.P. Altafim, H.C. Basso, R.A.C. Altafim, X. Qiu, W. Wirges, and R. Gerhard

    "A Comparison of Polymer Piezoelectrets with Open and Closed Tubular Channels: Pressure Dependence, resonance Frequency, and Behavior under Humidity"

    Proceedings: 14th International Symposium on Electrets, (IEEE Service Center, Piscataway, New Jersey, USA 2011)

    ISBN: 978-1-4577-1024-7, pp: 231-232 (2011).

  31. Feipeng Wang, Alexander Lack, Zailai Xie, Peter Frübing, Werner Wirges, and Reimund Gerhard

    "Ionic liquids induce crystalline ß phase and ferroelectric polarization in sub-micrometer films of poly(vinylidene fluoride) (PVDF)"

    IEEE, 2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

    ISBN: 978-1-4577-0986-9/11 (2011).

  32. R.A.P. Altafim, R.A.C. Altafim, H.C. Basso, X. Qiu, W. Wirges, and R. Gerhard

    "Fluoroethylenepropylene ferroelectrets with superimposed multi-layer tubular void channels"

    IEEE, 2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

    ISBN: 978-1-4577-0986-9/11 (2011).

  33. Zhuanlan Sun, Xiaoqing Zhang, Zhongfu Xia,.Xunlin Qiu, Werner Wirges, Reimund Gerhard, Changxhum Zeng, Chuck Zhang, and Ben Wang

    "Polarization and piezoelectricity in polymer films with artificial void structure"

    Applied Physics A: Materials Science & Processing 105, 197-205

    DOI:10.1007/s00339-011-6481-2 (2011)

  34. Björn Kussmaul, Sebastian Risse, Guggi Kofod, Rémi Waché, Michael Wegener, Denis N. McCarthy, Hartmut Krüger, Reimund Gerhard

    "Enhancement Of Dielectric Permittivity And Electromechanical Response In Silicone Elastomers: Molecular Grafting Of Organic Dipoles To The Macromolecular Network"

    ADVANCED FUNCTIONAL MATERIALS 21, 4589-4594

    DOI:10.1002/adfm.201100884 (2011)

  35. Dmitry Rychkov, Alexey Kuznetsov and Andrey Rychkov

    "Electret Properties of Polyethylene and Polytetrafluoroethylene Films with Chemically Modified Surface"

    IEEE Transactions on Dielectrics and Electrical Insulation 18, 8-14 (2011).

  36. Remi Wache, Sebastian Risse, Manuel Schulze and Guggi Kofod (2011)

    "Polychloroprene: a new material for Dielectric Elastomer Actuators"

    MRS Proceedings, Volume 1325 (2011)

    doi:10.157/opl.2011.967

  37. Sebastian Risse, Björn Kussmaul, Hartmut Krüger, Rémi Waché, Guggi Kofod

    "DEA material enhancement with dipole grafted PDMS networks"

    Proc. SPIE 7976, Electroactive Polymer Actuators and Devices (EAPAD) 2011, 79760N (March 28, 2011)

    doi:10.1117/12.881919