2000-jetzt

Veröffentlichungen (2000 – jetzt)

2011

  • J. Hillenbrand, S. Haberzettl, T. Motz, and G. M. Sessler, “Electret accelerometers: Physics and dynamic characterization”, J. Acoust. Soc. Amer., 129, 3682-3689 (2011).
  • P. Pondrom, L. Stein, L. Kurtze, J. Hillenbrand, J. Bös, H. Hanselka,und G. M. Sessler, “Beschleunigungsaufnehmer-Arrays auf Basis von Piezoelektret-Folien zur Realisierung von modalen Sensoren“, in Fortschritte der Akustik, DAGA 2011 (Deutsche Gesellschaft für Akustik e.V., 2011), pp. 197 – 198.
  • J. Hillenbrand, S. Haberzettl und G. M. Sessler, “Piezoelektret-Beschleunigungs-aufnehmer mit integriertem FET“, in Fortschritte der Akustik, DAGA 2011 (Deutsche Gesellschaft für Akustik e.V., 2011), pp. 707 – 708.
  • G. M. Sessler and J. Hillenbrand, “Hearing aid microphones: From electret to piezoelectret transducers”, in Proceedings, Sensor+Test Conference 2011, Paper C6.1, pp. 463 – 467 (2011).
  • J. Hillenbrand, S. Haberzettl and G. M. Sessler, “Close-talking piezoelectret microphone-arrays”, in Proceedings, 14th International Symposium on Electrets, Montpellier, France, pp. 27 – 28 (2011).
  • J. Hillenbrand, S. Haberzettl, T. Motz, and G. M. Sessler, “Voltage sensitivity of electret- and piezoelectret-accelerometers”, in Proceedings, 14th International Symposium on Electrets, Montpellier, France, pp. 219 – 220 (2011).
  • J. Hillenbrand, S. Haberzettl and G. M. Sessler, “Nahbesprechungseigenschaften von differentiellen Piezoelektretmikrofon-Arrays”, in Fortschritte der Akustik, DAGA 2012 (Deutsche Gesellschaft für Akustik e.V., 2012), pp. 101 – 102.
  • P. Pondrom, L. Stein, L. Kurtze, J. Hillenbrand, J. Bös, H. Hanselka, und G. M. Sessler “Beschleunigungsaufnehmer-Arrays auf Basis von Piezoelektret-Folien zur Realisierung modaler Sensoren: Messung an einer Platte”, in Fortschritte der Akustik, DAGA 2012 (Deutsche Gesellschaft für Akustik e.V., 2012), pp. 737 – 738.
  • J. Hillenbrand, S. Haberzettl, G. M. Sessler, “Piezoelektret-Beschleunigungsaufnehmer mit integriertem Impedanzwandler”, in 16. GMA/ITG – Fachtagung Sensoren und Messsysteme 2012, (GMA, ITG, VDE), pp. 169 – 176 (2012).
  • X. Zhang, J. Hillenbrand, G. M. Sessler, S. Haberzettl, K. Lou, “ Fluoroethylene-propylene ferroelectrets with patterned microstructure and high, thermally stable piezoelectricity”, Applied Physics A 107, 621 – 629 (2012).

2010

  • J. Hillenbrand, S. Haberzettl, T. Motz, and G.M. Sessler, „Electret transducers for measuring acceleration and structure-borne sound“, in : Proceedings of International Conference on Noise and vibration engineering (ISMA) 2010 including USD 2010, pp. 571 – 579 (2010).
  • N. Guarrotxena, S. Agnel, A.Toureille, and G. Sessler: „On the stereochemical nanostructure-based mechanisms of electrical behaviour of polymer insulators“. In Conference Record, IEEE 2010 International Symposium on Solid Dielectrics, pp. 1 – 6 (2010).
  • F. Mechel and G.M. Sessler, „Die Entsehungsgeschichte der Deutschen Gesellschaft für Akustik (DEGA)“ Acta Acustica 96, 967 – 972 .
  • J. Hillenbrand, M. Kodejska, Y. Garcin, G.M. Sessler, and H. von Seggern, “High-sensitivity ferroelectret-film accelerometers”, in IEEE Trans. Dielectrics and Electrical Insulation 17, 1021 – 1027 .
  • J Hillenbrand, S. Haberzettl, T. Motz und G. M. Sessler, ”Elektretwandler zur Messung von Beschleunigungen und Körperschall“, in Fortschritte der Akustik, DAGA’10 (Deutsche Gesellschaft für Akustik e.V., 2010), pp. 785 – 786.
  • L. Kurtze, J. Hillenbrand, E. Tonkonog, H. Hanselka, und G. M. Sessler, ”Beschleunigungssensor-Arrays auf Basis zellulärer Piezoelektretfolien“, in Fortschritte der Akustik, DAGA’10 (Deutsche Gesellschaft für Akustik e.V., 2010), pp. 533 – 534.

2009

  • J. Hillenbrand, T. Motz, G. M. Sessler, X. Zhang, N. Behrendt, C. von Salis-Soglio, D. P. Erhard, V. Altstädt, H.-W. Schmidt, “The effect of additives on charge decay in electron-beam charged polypropylene films”, in J. Phys. D: Appl. Phys. 42, 065410-1 to 065410-8 (2009).
  • G. M. Sessler and J. Hillenbrand, “Novel silicon sensors in acoustics”, in Proceedings Sensor 2009, Vol. I, pp. 9-14 (2009).
  • M. Kodejska. J. Hillenbrand, and G. M. Sessler, “Ferroelectret-film accelerometers with high sensitivities”, in Proceedings of the International Conference on Acoustics, NAG / DAGA 2009, pp.144-145 (Rotterdam, 2009).
  • G. M. Sessler and J. Hillenbrand, “Broadband Ferroelectret Transducers”, in 2009 IEEE International Ultrasonics Symposium, pp. 393-397 (Roma, 2009).
  • R. Lerch, G. Sessler D. Wolf, „Technische Akustik“: Springer 2009

2008

  • N. Behrendt, X. Zhang, B. Bergmann, and G. M. Sessler, “Piezoelectricity of cellular polypropylene films expanded by a dichlormethane evaporation process”,in Advanced Engin. Mat., 10, 120-125 (2008).
  • J. Hillenbrand and G. M. Sessler, “DC-biased ferroelectrets with large piezoelectricc d33-coefficients”, in J. Appl. Phys. 103, 074103-1 – 074103-7 (2008).
  • J. Hillenbrand, P.Pondrom, und G. M. Sessler, “Piezoelektret-Mikrofone mitnicht-planaren Folienstapeln und hoher Kapazität”, in in Fortschritte der Akustik, DAGA’08 (Deutsche Gesellschaft für Akustik e.V., 2008), pp. 425-426.
  • J. Hillenbrand and G. M. Sessler, “Increased piezoelectric d33-coefficients of ferroelectrets with high external DC-voltages”, in Proc. of the 13th Int. Symposium on Electrets (Tokyo, 2008).
  • N. Behrendt, V. Altstädt, X. Zhang, G. Sessler, H.-W. Schmidt, “New techniquesfor the development of cellular films for electret and piezoelectric applications“,in Proc. of the 13th Int. Symposium on Electrets, p. 7 (Tokyo, 2008).
  • T. Motz, J. Hillenbrand, X. Zhang, N. Behrendt, C. von Salis-Soglio, D. P. Erhard, V. Altstädt, H.-W. Schmidt, and G. M. Sessler, “Charge decay of electron-beam irradiated Polypropylene films containing additives”, in Proc. of the 13th Int. Symposium on Electrets (Tokyo, 2008).
  • J. Hillenbrand and G. M. Sessler, “Piezoelectret-microphones with coiled film stacks”, in Proc. of the 13th Int. Symposium on Electrets (Tokyo, 2008).
  • C. von Salis-Soglio, N. Mohmeyer, V. Altstädt, G. M. Sessler, H.-W. Schmidt, “Additives to improve the electret performance of polypropylene”, in Proc. of the 13th Int. Symposium on Electrets, p. 120 (Tokyo, 2008).

2007

  • X. Zhang, J. Hillenbrand, and G. M. Sessler, “Improvement of piezoelectric coefficient of cellular polypropylene films by repeated expansions”, J. Electrostat. 65, 94-100 (2007).
  • N. Mohmeyer, N. Behrendt, X. Zhang, P. Smith, V. Altstädt, G. M. Sessler, and H.-W. Schmidt, “Additives to improve the electret properties of isotactic polypropylene”, Polymer 48, 1612-1619 ( 2007).
  • X. Zhang, J. Hillenbrand, and G. M. Sessler, “Ferroelectrets with improved thermal stability made from fused fluorocarbon layers”,
  • J. Appl. Phys. 101, 054114-1 to 054114-8 (2007).
  • G. M. Sessler and J. Hillenbrand, “Silizium- und Piezoelektret-Mikrofone: Neue Technologien für ein Milliardenprodukt”, Thema Forschung (Technische Universität Darmstadt), 2, 38-43 (2007).
  • J. Hillenbrand, X. Zhang, and G. M. Sessler, “Piezoelektret-Mikrofone mit Fluorpolymerfolien und verbesserter Temperaturstabilität”, in Fortschritte der Akustik, DAGA ’07 (Deutsche Gesellschaft für Akustik e.V., 2007).
  • J. Hillenbrand, P.Pondrom, and G. M. Sessler, “Piezoelectret-microphones with high capacitance and sensitivity”, in Proc. of the 19th Internat. Congress on Acoustics (Madrid, 2007).

2006

  • N. Behrendt, N. Mohmeyer, J. Hillenbrand, M. Klaiber, X. Zhang, G. M. Sessler, H.-W. Schmidt, and V. Altstädt, “Charge storage behavior of isotropic and biaxially-oriented polypropylene films containing a- and ß-nucleating agents”, J. Appl. Polym. Science 99, 650-658 (2006).
  • J. Hillenbrand, N. Behrendt, V. Altstädt, H.-W. Schmidt, and G. M. Sessler, “Electret properties of biaxially stretched polypropylene films containing various additives“, J. Phys. D: Appl. Phys. 39, 535-540 (2006).
  • X. Zhang, J. Hillenbrand, and G. M. Sessler, “Thermally stable fluorocarbon ferroelectrets with high piezoelectric coefficient”, Appl. Phys. A. 84, 139-142 (2006).
  • J. Hillenbrand and G. M. Sessler, “Piezoelektret-Richtmikrofone auf Basis des Interferenzprinzips”, in Fortschritte der Akustik, DAGA ’06 (Deutsche Gesellschaft für Akustik e.V., 2006), pp. 59-60.
  • N. Behrendt, C. Greiner, F. Fischer, T. Frese, V. Altstädt, H.-W. Schmidt, R. Giesa, J. Hillenbrand, and G. M. Sessler, “Morphology and electret behaviour of microcellular high glass temperature films”, Appl. Phys. A 85, 87-93 (2006).
  • G. M. Sessler, “Bernhard Gross and electret research: His contributions, our collaboration, and what followed”, IEEE Trans. Dielectrics and Electrical Insulation 13, 942-952 (2006).
  • J. Hillenbrand and G. M. Sessler, “Stacked piezoelectret microphones of simple design and high sensitivity” IEEE Trans. Dielectrics and Electrical Insulation 13, 973-978 (2006).
  • N. Behrendt, V. Altstädt, H.-W. Schmidt, X. Zhang, and G. M. Sessler, “Development of porous polypropylene blends with NA11 particles and glass hollow spheres by biaxial stretching for electret applications”, IEEE Trans. Dielectrics and Electrical Insulation 13, 992-1000 (2006).

2005

  • X. Qiu, M. Wegener, W. Wirges, X. Zhang, J. Hillenbrand, Z. Xia, R. Gerhard-Multhaupt and G. M. Sessler, “Penetration of sulfur hexafluoride into cellular polypropylene films and its effect on the electric charging and electromechanical response of ferroelectrets”, J. Phys. D: Appl. Phys. 38, 649-654 (2005).
  • J. Hillenbrand und G. M. Sessler, “Piezoelektret-Mikrofone hoher Empfindlichkeit mit gestapelten und geschäumten Polymerfilmen„ in Fortschritte der Akustik, DAGA ’05 (Deutsche Gesellschaft für Akustik e.V., 2005), pp. 389-390.
  • F. Vila, G. M. Sessler, and H. Sykja, “The influence of electron-beam irradiation on the volume resistivity of polyethylene and kapton” J. Electrostat. 63, 749-754 (2005).
  • G. M. Sessler, “Ferroelektrete und ihre Anwendungen in der Akustik”, in Beiträge zur Geschichte und neueren Entwicklung der Sprachakustik und Informationsverarbeitung, D. Wolf, Hrsg. (w.e.b. Universitätsverlag 2005), pp. 146-156.
  • N. Behrendt, J. Hillenbrand, V. Altstädt, and G. M. Sessler, “Investigation on electret behavior of stretched filled polypropylene films”, in Proceedings of the 21st Annual Meeting of the Polymer Processing Society (Leipzig, 2005), pp.
  • G. M. Sessler, “Bernhard Gross and electret research”, in Proc. of the 12th Int. Symposium on Electrets (Salvador 2005), pp. 2-9.
  • X. Zhang, G. M. Sessler, “Optimization of piezoelectric properties of cellular polypropylene films by repeated expansion”, in Proc. of the 12th Int. Symposium on Electrets (Salvador 2005), pp. 51-54.
  • V. Altstädt, N. Behrendt, T. Freese, H.-W. Schmidt, R. Giesa, J. Hillenbrand, and G. M. Sessler, “Development of cellular films for electret applications“, in Proc. of the 12th Int. Symposium on Electrets (Salvador 2005), pp. 55-58.
  • J. Hillenbrand and G. M. Sessler, “Piezoelectret microphones with high sensitivity”, in Proc. of the 12th Int. Symposium on Electrets (Salvador 2005), pp. 125-128.
  • J. Hillenbrand, G. M. Sessler, and X. Zhang, “Verification of a model for the d33-coefficient of ferroelectrets“. in Proc. of the 12th Int. Symposium on Electrets (Salvador 2005), pp. 149-152.
  • J. Hillenbrand, N. Behrendt, M. Mohmeyer, H.-W. Schmidt, and G. M. Sessler, “Charge retention in biaxially-oriented polypropylene films containing various additives“, in Proc. of the 12th Int. Symposium on Electrets (Salvador 2005), pp. 276-279.
  • J. Hillenbrand, G. M. Sessler, and X. Zhang, “Verification of a model for the piezoelectric d33-coefficient of cellular electret films”, J. Appl. Phys. 98, 064105-1 to 064105-5 (2005).
  • J. Hillenbrand, G. M.Sessler, and X. Zhang, “Confirmation of a model for the piezoelectricity of ferroelectrets”, in 2005 Annual Report, Conference on Electrical Insulation and Dielectric Phenomena, (IEEE Service Center, Piscataway, NJ), pp. 665-668 (2005).

2004

  • S. Bauer, R. Gerhard-Multhaupt, and G. M. Sessler, “Ferroelectrets: Soft Electroactive Foams for Transducers”, Physics Today, Vol. 57, No. 2, 37-43 (2004).
  • J. Hillenbrand, G. M: Sessler, “Quasistatic and Dynamic Piezoelectric Coefficients of Polymer Foams and Polymer Film Systems“, IEEE Trans. Dielectrics and Electrical Insulation 11, 72 – 79 (2004).
  • J. Hillenbrand, X. Zhang und G. M. Sessler, “Neues piezoelektrisches Sensorenmaterial auf der Basis von zellularem Polypropylen”, in Sensoren und Meßsysteme 2004, VDI-Berichte 1829, pp. 823-831, (Ludwigsburg, 2004).
  • G. M. Sessler, M. T. Figueiredo, and G. F. Leal Ferreira, “Models of charge transport in electron-beam irradiated insulators”, IEEE Trans. Diel. and Electrical Insulation, 11, 192-202 (2004).
  • J. Hillenbrand and G. M. Sessler, “New piezoelectric transducers based on expanded cellular polymer electrets”, in Proc. of the Int. Conf. on Acoustics Vol I, ICA 2004, pp. 349-352, (Kyoto, 2004).
  • G. M. Sessler, “Introduction to electrets: Principles, equations and experimental techniques“ and “Electret applications in microelectronics, sensors and actuators”, in Polymers and Composites for Microelectronics and Robotics (Poznan 2004), pp. 13-16 and pp. 25-27.
  • G. M. Sessler, “Neuartige Polymer- und Siliziumsensoren in der Akustik”, Technisches Messen 71, 233-239 (2004).
  • X. Zhang, J. Hillenbrand, and G. M. Sessler, “Improvement of piezoelectric activity of cellular polymers using a double-expansion process”, J. Phys. D: Appl. Phys. 37, 2146-2150 (2004).
  • X. Zhang, J. Hillenbrand, and G. M. Sessler, “Piezoelectric d33-coefficient of cellular polypropylene subjected to expansion by pressure-treatment”, Appl. Phys. Lett. 85, 1226-1228 (2004).
  • N. Mohmeyer, B. Müller, N. Behrendt, J. Hillenbrand, M. Klaiber, X. Zhang, P. Smith, V. Altstädt, G. M. Sessler, and H.-W. Schmidt, “Nucleation of isotactic polypropylene by triphenylamine based trisamide derivatives and their influence on charge storage properties”, Polymer 45, 6655-6663 (2004).
  • D. L. Myers, B. D. Arnold, J. Hillenbrand, and G. M. Sessler, “The synergy of media structure and charge distribution in a commercial HVAC filtration Media”, in Proceedings of the Ninth World Filtration Congress, New Orleans, LA, April 2004, pp. 423-432.
  • J. Hillenbrand and G. M. Sessler, “High-sensitivity piezoelectric microphones based on stacked cellular polymer films“, J. Acoust. Soc. Amer. 116, 3267-3270 (2004).

2003

  • G. M. Sessler, “Neuartige Polymer- und Siliziumsensoren in der Akustik”, in XVII. Messtechnisches Symposium des Arbeitskreises der Hochschullehrer für Messtechnik e. V., Tagungsband, Shaker Verlag, pp. 93-103 (2003).
  • J. Hillenbrand, X. Zhang, Y. Zhang, and G. M. Sessler, “Pressure-treated cellular polypropylene with large piezoelectric coefficients”, in 2003 Annual Report, Conference on Electrical Insulation and Dielectric Phenomena, (IEEE Service Center, Piscataway, NJ), pp. 40-43 (2003).

2002

  • G. M. Sessler, “Electret”, in McGraw-Hill Encyclopedia of Science & Technology, 9th edition (McGraw-Hill Book Company, New York, 2002), Vol. 6, pp. 104-105, „Electret Transducer“, ibid. Vol. 6, pp. 105-108, „Microphone“, ibid. Vol. 11, pp. 88-95.
  • L. S. Pinchuk, V. A. Goldade, G. M. Sessler, A. G. Kravtsov, S. V. Zotov, and E. A. Tsvetkova, “ Electret-Thermal Analysis of Blood”, Medical Engineering & Physics 24, 361-364 (2002).
  • G. M. Sessler, M. T. Figueiredo, and G. F. Ferreira, “Models of Charge Transport in Electron-Beam Irradiated Insulators”, in Proc. of the 11th Int. Symposium on Electrets (Melbourne, 2002), pp. 3-6.
  • J. Hillenbrand, Z. Xia, X. Zhang, and G. M. Sessler, “Piezoelectricity of Cellular and Porous Polymer Electrets”, in Proc. of the 11th Int. Symposium on Electrets (Melbourne, 2002), pp.46-49.
  • X. Zhang and G. M. Sessler, “Charge Transport in Silicon Nitride / Silicon Oxide Double Layers”, in Proc. of the 11th Int. Symposium on Electrets (Melbourne, 2002), pp. 122-125.
  • J. Hillenbrand and G. M. Sessler, “Foamed and Solid Polymer Electrets with High Piezoelectric Constants”, in 2002 Annual Report , Conference on Electrical Insulation and Dielectric Phenomena (IEEE Service Center, Piscataway, NJ, 2002), pp. 287 – 290.
  • D. L. Myers, B. D. Arnold, J. Hillenbrand, and G. M. Sessler, ”Electret Media for HVAC Filtration Applications”, in 2002 Indoor Air Quality – Filtration Proceedings, K.-J. Choi, Ed., (American Filtration and Separations Society, 2002).
  • G. M: Sessler, “Vom Silizium-Mikrofon zum Konzertsaal“, in Jahrbuch der Heidelberger Akademie der Wissenschaften für 2002 (Heidelberg, 2003), pp. 62 – 67.

2001

  • X. Zhang and G. M. Sessler, “Charge Dynamics in Silicon Nitiride / Silicon Oxide Double Layers”, Appl. Phys. Letters 78, 2757 – 2759 (2001).
  • G. M. Sessler, “Electrets: Recent Developments”, J. Electrostat. 51/52, 137 – 145 (2001).
  • F. Vila and G. M. Sessler, “Influence of Electron-Beam Irradiation on Electric Parameters of Dielectric Materials”, J. Electrostat. 51/52, 146 – 152 (2001).
  • N. Farhat and G. M. Sessler, “Determination of the Charge Centroid and the Total Charge Injected by Corona Process in Silicon Dioxide / Silicon Samples”, in Proc. of the 4th International Conference on Electric Charge in Solid Insulators (Société Francaise du Vide, Paris, 2001), pp. 358 – 361.
  • G. M. Sessler, “Silicon Microphones and Earphones”, Paper 3C.08.02, Vol. II, in Proc. of the 17th International Congress on Acoustics (Rome, 2001), pp. 1 – 2.

2000

  • P. Bloß, A. S. DeReggi, G.-M. Yang, G. M. Sessler, and H. Schaefer, “Thermal and Acoustic Pulse Studies of Space-charge Profiles in Electron-Irradiated Fluoroethylene Propylene”, J. Phys. D: Appl. Phys. 33, 430 – 436 (2000).
  • G. M. Sessler and J. Hillenbrand, “Novel Polymer Electrets”, Paper FF5.1, in Proc. of the Symposium “Electroactive Polymers” (1999), edited by Q. M. Zhang et al (Materials Research Society, 2000), pp. 143 – 152.
  • N. Guarrotxena, J. Millán, G. M. Sessler, and G. Hess, “Charge Decay Properties of Poly(propylene) Samples (PP) with Various Stereochemical Compositions”, Macromol. Rapid Commun. 21, 691 – 696 (2000).
  • J. Hillenbrand and G. M. Sessler, “Piezoelectricity in Cellular Electret Films”, IEEE Trans. Dielectrics and Electrical Insulation 7, 537 – 542 (2000).
  • S. N. Koykov, Y. A. Panteleev, G. M. Sessler, and G. M. Yang, “Charge Relaxation in Electron Beam Irradiated Dielectric Films: Computer Simulation and Analysis of Experimental Data”, in Proc. of the 2nd International Conference on Dielectric Insulation (Institution of Electrical Engineers, 2000), pp. 76 – 81.
  • J. Hillenbrand and G. M. Sessler, “Piezoelectric Properties of Polypropylene / Air and Poly(vinylidene Fluoride) / Air Composites”, in 2000 Annual Report, Conference on Electrical Insulation and Dielectric Phenomena (IEEE Service Center, Piscataway, NJ, 2000), pp.161 – 165.
  • G. S. Neugschwandtner, R. Schwödiauer, M. Vieytes, S. Bauer-Gogonea, S. Bauer, J. Hillenbrand, R. Kressmann, G. M. Sessler, M. Paajanen, and J. Lekkala, “Large and Broadband Piezoelectricity in Smart Polymer-Foam Space-Charge Electrets“, Appl. Phys. Letters 77, 3827 – 3829 (2000).