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Publications & Presentations

Representative publications and presentations (many unpublished due to IP concern)
We are one of very few groups who understand practical applications of polymer high voltage dielectric and ferroelectric materials.
  1. "Glass Dielectrics in Extreme High-Temperature Environment", J. Am. Ceram. Soc., 99: 4045–4049 (2016) doi:10.1111/jace.14424

  2. “Microstructure evolution of poly[tetrafluoroethylene-co-(perfluoropropylvinylether)] films under uniaxial deformation”, Polymer, Volume 99, 2016, Pages 480-487

  3. “Fluoropolymer microstructure and dynamics: Influence of molecular orientation induced by uniaxial drawing”, Polymer, Volume 99, 2016, Pages 211–221

  4. Flexible high-temperature dielectric materials from polymer nanocomposites”, Nature, 523: 576-579, 2015

  5. Light Weight HighTemperature Polymer Film Capacitors with Dielectric Loss Lower ThanPolypropylene”, Journal of Materials Science: Materials in Electronics, Volume 26, Issue 12, pp 9396-9401, 2015

  6. Polymer-BasedDielectrics with High Energy Storage Density”, Annual Review of Materials Research, Vol. 45: 433-458, 2015

  7. Flexible Glass for High Temperature Energy Storage Capacitors”, Energy Technology, 1(5-6): 313–318 (2013)

  8. “High Temperature Capacitors with High Energy Density”, 2012 IEEE International Power Modulator and High Voltage Conference (2012 IPMHVC), June 3 - 7, 2012, San Diego, CA

  9. “Enhancement of Dielectric Breakdown Strength in Glass using Polymer Coatings”, 2012 IEEE International Power Modulator and High Voltage Conference (2012 IPMHVC), June 3 - 7, 2012, San Diego, CA

  10. “Semicrystalline Polymers with High Dielectric Constant, Melting Temperature, and Charge-Discharge Efficiency”, IEEE Transactions on Dielectrics and Electrical Insulation, 19(4), 1158-1166(2012)

  11. High Energy Density Film Capacitors forPulsed Power ApplicationsProceeding of CARTS International 2012, The Passive Components Conference, pp 361-366. March 26-29, 2012, Las Vegas, Nevada

  12. “PEN/Si3N4 bilayer film for dc bus capacitors in power converters in hybrid electric vehicles” J. Vac. Sci. Technol. B 29(6), 061401 (Nov/Dec 2011) [JVST B - Microelectronics and Nanometer Structures]

  13. “High Temperature Polymer Capacitor Film with High Dielectric Constant” Proceeding of CARTS USA 2011, The Passive Components Conference, March 28-31, 2011, Jacksonville, Florida [pp. 421-428]

  14. “Dielectric Behavior of Low Temperature PECVD Fabricated Si3N4 and Si3N4/P(VDF-CTFE) Bilayer films”, IEEE Transactions on Dielectrics and Electrical Insulation, 18, 463-470(2011)

  15. “Wide Temperature Polyimide/ZrO2 Nanodielectric Capacitor Film with Excellent Electrical Performance” Appl. Phys. Lett. 98:082905 (2011)

  16. “Polymer Film Capacitors with High Dielectric Constant, High Capacitance Density, and High Energy Density” 2010 IEEE International Power Modulator and High Voltage Conference (2010 IPMHVC) Atlanta, Georgia, USA, May 23-27, 2010

  17. “High Dielectric Constant Polymer Film Capacitors” Proceeding of CARTS USA 2010, The Passive Components Conference, pp 73-81. March 15-18, 2010, New Orleans, Louisiana

  18. “High Energy Density Film Capacitors”, Proceeding of 17th IEEE Pulsed Power Conference. June 28-July 2, 2009, Washington, DC.

  19. “Electrical breakdown and ultrahigh electrical energy density in poly(vinylidene fluoride-hexafluoropropylene) copolymer”, Appl. Phys. Lett. 94:162901 (2009)

  20. “High field tunneling as a limiting factor of maximum energy density in dielectric energy storage capacitors”, Appl. Phys. Lett. 92:142909 (2008)

  21. “High Energy Density Polymer Dielectrics for Capacitor Applications”, Proceeding of CARTS USA 2007, The Passive Components Conference, pp 141-150. March 26-29, 2007, Albuquerque, New Mexico

  22. “High performance electroactive polymers and composites for artificial muscles and microfluidic systems ”, Journal of Intelligent Material Systems And Structures, 2007, 18(2), 133-145

  23. “Relaxor ferroelectric polymers, thin film devices, and ink-jet microprinting for thin film device fabrication”, Ferroelectrics, 2006, 342, 1-14

  24. “Relaxor ferroelectric polymers”, Ferroelectrics, 2006, 339(1), 37-45(9)

  25. “Synthesis and characterization of poly(ethylene glycol)-based single ion conductors”, Chemistry of Materials, 2006, 18, 4288-4295

  26. “Modeling electrode polarization in e": Ion mobility and mobile ion concentration of single-ion polymer electrolytes”, Journal of Chemical Physics, 2006, 124, 144903

  27. “Ink-jet printing of ferroelectric P(VDF-TrFE) copolymers”, Materials Research Society Symposium Proceedings 889 (Electroresponsive Polymers and Their Applications), 2006, vol 889, 167

  28. “Microstructure and electromechanical responses in ferroelectric relaxor polymer blends”, Journal of Applied Physics, 2006, 100, 044113

  29. “Direct spectroscopic evidence of field-induced solid state chain conformation transformation in a ferroelectric relaxor polymer”, Journal of Applied Physics, 2006, 99, 044107

  30. “Normal ferroelectric to ferroelectric relaxor conversion in fluorinated polymers and the relaxor dynamics”, Journal of Material Science, 2006, 41, 271

  31. "Glass transition and ionic conduction in plasticized and doped ionomers”, Journal of Non-crystalline Solids, 2005, 351(33-36), 2825-2830

  32. “Microstructure and electromechanical properties of carbon nanotubes- P(VDF-TrFE-CFE) composites”, Advanced Materials, 2005, 17(15), 1897-1901

  33. “Effect of temperature and pressure on the dynamic miscibility of hydrogen-bonded polymer blends”, Macromolecules, 2005, 38(2), 552-560

  34. “Broadband dielectric investigation of amorphous poly(methyl methacrylate)/poly(ethylene oxide) blends”, Macromolecules, 2004, 37, 8110-8115

  35. “Dynamics in relaxor ferroelectric polymers”, Proceedings of 2004 IEEE International Ultrasonics, Ferroelectrics, and Frequency Control Joint 50th Anniversary Conference, 2004, 138-141

  36. “Dielectric studies of poly(ethylene oxide)/poly(styrene-co-p-hydroxystyrene). semi-crystalline blends”, Macromolecules, 2004, 37(13), 4808-4814

  37. “Dynamics of multicomponent polymer systems exhibiting strong intermolecular associations”, Invited review on the Proceedings of Osaka University Macromolecules Symposium, 2004

  38. “Broadband dielectric investigation on 2,6-dihydroxy naphthalene/poly(vinyl ethyl ether) mixtures”, The Journal of Physical Chemistry B  2004, 108(23), 7681-7687

  39. “Segmental and secondary dynamics in hydrogen-bonded poly(4-vinylphenol)/poly(methyl methacrylate) blends”, Journal of Polymer Science: B, Polymer Physics  2004, 42(18), 3405-3415

  40. “Segmental dynamics and ionic conduction in poly(vinyl methyl ether) – lithium perchlorate complexes”, The Journal of Physical Chemistry B  2004, 108(20), 6295-6302

  41. “Suppression of the dielectric secondary relaxation of poly(2-vinylpyridine) by strong intermolecular hydrogen bonding”, Macromolecules  2004, 37(7) 2636

  42. "Composition-dependent dynamics in a miscible polymer blend: influence of hydrogen bonding”, Polymer 2004, 45(11), 3933-3942

  43. S.H. Zhang, R. Casalini, J. Runt, C.M. Roland “Pressure effects on the dynamics of hydrogen bonded polymer blends”, Macromolecules 2003, 36(26), 9917-9923

  44. Xing Jin, Shihai Zhang, James Runt “Dielectric studies of poly(ethylene oxide)/ poly(styrene-co-p-hydroxystyrene) blends: Influence of hydrogen bonding on the dynamics of amorphous blends”, Macromolecules 2003, 36(21), 8033-8039

  45. “Dynamic homogeneity in mixtures of poly(vinyl methyl ether) with low molecular weight phenolic molecules”, Macromolecules 2003, 36(19), 7179-7188

  46. “Dynamical heterogeneity in a thermodynamically miscible polymer blend”, Macromolecules 2003, 36(15), 5710-5718

  47. “Coupling of component segmental relaxations in a polymer blend containing intermolecular hydrogen bonding”, Macromolecules 2002, 35(25), 9403-9413

  48. “Dynamics of polymer blends with intermolecular hydrogen bonding: Broad-band dielectric study of blends of poly(4-vinylphenol) with poly(vinyl acetate) and EVA70”, Macromolecules 2002, 35(22), 8478-8487

  49. “Observation of a fast dielectric relaxation in semicrystalline poly(ethylene oxide)”, Polymer 2002, 43(23), 6247-6254

  50. “Broad-band dielectric study on poly(4-vinylphenol)/poly(ethyl methylacrylate) blends”, Macromolecules 2002, 35(9), 3636-3646

 

Patents

  1. High Energy Density Capacitors and Methods of Manufacture, 7,542,265.

  2. Localized Multimodal Electromechanical Polymer Transducers, US 9,183,710 B2 (Nov 10, 2015)

  3. Haptics with Localized Response, US 9,164,586 B2 (Oct 20, 2015)

  4. EMP Actuators for Deformable Surface and Keyboard Application, US 9,170,650 B2 (Oct 27, 2015)

  5. Systems Including Electromechanical Polymer Sensors and Actuators, US 9,053,617 B2 (June 9, 2015)

  6. Terpolymer and Films Prepared Therefrom, France No. 12.61885, December 11, 2012

  7. Steerable Medical Guide Wire Device US 9,370,640, June 21, 2016

 

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