• 3418 Citations
  • 22 h-Index
1993 …2019
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Research Output 1993 2019

1993
3 Citations (Scopus)

Microwave calcination of conventionally and sol-gel prepared lead zirconate titanate

Ounaies, Z., Selmi, F., Varadan, V. K., Varadan, V. V. & Megherhi, M., Jan 1 1993, In : Materials Letters. 17, 1-2, p. 13-20 8 p.

Research output: Contribution to journalArticle

Calcination
roasting
Sol-gels
Microwaves
gels
1997
4 Citations (Scopus)

Complex piezoelectric coefficients of PZT ceramics: Method for direct measurement of d33

Jordan, T. L., Ounaies, Z. & Turner, T. L., Jan 1 1997, In : Materials Research Society Symposium - Proceedings. 459, p. 231-236 6 p.

Research output: Contribution to journalConference article

wafers
ceramics
coefficients
Fiber optics
fiber optics
2 Citations (Scopus)

Dielectric properties of piezoelectric polyimides

Ounaies, Z., Young, J. A., Simpson, J. O. & Farmer, B. L., Jan 1 1997, In : Materials Research Society Symposium - Proceedings. 459, p. 53-58 6 p.

Research output: Contribution to journalConference article

Molecular modeling
polyimides
Polyimides
Dielectric properties
dielectric properties
20 Citations (Scopus)

Polarization and piezoelectric properties of a nitrile substituted polyimide

Simpson, J., Ounaies, Z. & Fay, C., Jan 1 1997, In : Materials Research Society Symposium - Proceedings. 459, p. 59-64 6 p.

Research output: Contribution to journalConference article

Nitriles
Remanence
nitriles
polyimides
Polyimides
1999
6 Citations (Scopus)

An overview of the piezoelectric phenomenon in amorphous polymers

Ounaies, Z., Young, J. A. & Harrison, J. S., Dec 1 1999, In : ACS Symposium Series. 726, p. 88-103 16 p.

Research output: Contribution to journalArticle

Polymers
Electric properties
Piezoelectricity
Polarization
Mechanical properties
13 Citations (Scopus)

Hysteresis model for piezoceramic materials

Smith, R. C. & Ounaies, Z., Dec 1 1999, American Society of Mechanical Engineers, Aerospace Division (Publication) AD. ASME, p. 27-32 6 p. (American Society of Mechanical Engineers, Aerospace Division (Publication) AD; vol. 59).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

hysteresis
Hysteresis
electric field
physics
polarization
22 Citations (Scopus)

Structure-property study of piezoelectricity in polyimides

Ounaies, Z., Park, C., Harrison, J. S., Smith, J. G. & Hinkley, J., 1999, In : Proceedings of SPIE - The International Society for Optical Engineering. 3669, p. 171-178 8 p.

Research output: Contribution to journalArticle

Piezoelectricity
Polyimide
piezoelectricity
polyimides
Polyimides
2000
6 Citations (Scopus)

A model for asymmetric hysteresis in piezoceramic materials

Smith, R. C. & Ounaies, Z., Dec 1 2000, In : Materials Research Society Symposium - Proceedings. 604, p. 285-290 6 p.

Research output: Contribution to journalArticle

Hysteresis
hysteresis
Polarization
Piezoelectric materials
Domain walls
88 Citations (Scopus)

Domain wall model for hysteresis in piezoelectric materials

Smith, R. C. & Ounaies, Z., Jan 1 2000, In : Journal of Intelligent Material Systems and Structures. 11, 1, p. 62-79 18 p.

Research output: Contribution to journalArticle

Piezoelectric materials
Domain walls
Hysteresis
Ordinary differential equations
Control nonlinearities
14 Citations (Scopus)

Electrical properties and power considerations of a piezoelectric actuator

Jordan, T., Ounaies, Z., Tripp, J. & Tcheng, P., Dec 11 2000, In : Materials Research Society Symposium - Proceedings. 604, p. 203-208 6 p.

Research output: Contribution to journalConference article

piezoelectric actuators
Piezoelectric actuators
Electric properties
electrical properties
Electric potential
7 Citations (Scopus)

Electromechanically active polymer blends for actuation

Su, J., Ounaies, Z., Harrison, J. S., Bar-Cohen, Y. & Leary, S., Jan 1 2000, In : Proceedings of SPIE - The International Society for Optical Engineering. 3987, p. 65-72 8 p.

Research output: Contribution to journalConference article

Polymer Blends
polymer blends
Polymer blends
actuation
Actuator
8 Citations (Scopus)
Elastomers
elastomers
vinylidene
Grafts
Ferroelectric materials
10 Citations (Scopus)

Model for rate-dependent hysteresis in piezoceramic materials operating at low frequencies

Smith, R. C., Ounaies, Z. & Wieman, R., Jan 1 2000, In : Proceedings of SPIE - The International Society for Optical Engineering. 3992, p. 128-136 9 p.

Research output: Contribution to journalConference article

Piezoceramics
Hysteresis
Low Frequency
hysteresis
low frequencies
7 Citations (Scopus)

Polarization stability of amorphous piezoelectric polyimides

Park, C., Ounaies, Z., Su, J., Smith, J. G. & Harrison, J. S., Dec 3 2000, In : Materials Research Society Symposium - Proceedings. 600, p. 153-158 6 p.

Research output: Contribution to journalConference article

polyimides
Polyimides
thermal stability
Polarization
polarization
2001
36 Citations (Scopus)

Dielectric and piezoelectric properties of microwave sintered PZT

Sharma, P. K., Ounaies, Z., Varadan, V. V. & Varadan, V. K., Oct 1 2001, In : Smart Materials and Structures. 10, 5, p. 878-883 6 p.

Research output: Contribution to journalArticle

dielectric properties
Microwaves
microwaves
smart structures
Intelligent structures
17 Citations (Scopus)

Displacement models for THUNDER actuators having general loads and boundary conditions

Wieman, R., Smith, R. C., Kackley, T., Ounaies, Z. & Bernd, J., Aug 21 2001, In : Proceedings of SPIE - The International Society for Optical Engineering. 4326, 1, p. 252-263 12 p.

Research output: Contribution to journalArticle

Actuator
Actuators
actuators
Boundary conditions
boundary conditions
31 Citations (Scopus)

Low-field and high-field characterization of THUNDER actuators

Ounaies, Z., Mossi, K., Smith, R. & Bernd, J., Jan 1 2001, In : Proceedings of SPIE-The International Society for Optical Engineering. 4333, p. 399-407 9 p.

Research output: Contribution to journalArticle

Driver
Actuator
Actuators
actuators
Electric Field
2002
11 Citations (Scopus)

A free energy model for piezoceramic materials

Smith, R. C., Seelecke, S. & Ounaies, Z., Jan 1 2002, In : Proceedings of SPIE-The International Society for Optical Engineering. 4693, p. 183-190 8 p.

Research output: Contribution to journalArticle

Piezoceramics
Energy Model
Free energy
Free Energy
free energy
676 Citations (Scopus)

Dispersion of single wall carbon nanotubes by in situ polymerization under sonication

Park, C., Ounaies, Z., Watson, K. A., Crooks, R. E., Smith, J., Lowther, S. E., Connell, J. W., Siochi, E. J., Harrison, J. S. & St Clair, T. L., Oct 4 2002, In : Chemical Physics Letters. 364, 3-4, p. 303-308 6 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Sonication
polymerization
carbon nanotubes
Polymerization

Model development for high performance piezoelectric polymers

Smith, R. C. & Ounaies, Z., Jan 1 2002, In : Materials Research Society Symposium - Proceedings. 698, p. 217-222 6 p.

Research output: Contribution to journalConference article

Constitutive models
Polymers
Control nonlinearities
polymers
Hysteresis
1 Citation (Scopus)

Model development for piezoelectric polymer unimorphs

Daspit, G., Martin, C., Pyo, J. H., Smith, C., To, H., Furati, K. M., Ounaies, Z. & Smith, R. C., Jan 1 2002, In : Proceedings of SPIE-The International Society for Optical Engineering. 4693, p. 514-524 11 p.

Research output: Contribution to journalArticle

Polymers
Damping
polymers
damping
Polyimide
33 Citations (Scopus)

Polymer-single wall carbon nanotube composites for potential spacecraft applications

Park, C., Ounaies, Z., Watson, K. A., Pawlowski, K., Lowther, S. E., Connell, J. W., Siochi, E. J., Harrison, J. S. & St. Clair, T. L., Jan 1 2002, In : Materials Research Society Symposium - Proceedings. 706, p. 91-96 6 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Spacecraft
Carbon nanotubes
Polymers
spacecraft
2003
7 Citations (Scopus)

A Dynamic Hysteresis Model for THUNDER Transducers

Ball, B. L., Smith, R. C. & Ounaies, Z., Nov 27 2003, In : Proceedings of SPIE - The International Society for Optical Engineering. 5049, p. 100-111 12 p.

Research output: Contribution to journalConference article

Hysteresis
Transducer
Transducers
transducers
hysteresis
100 Citations (Scopus)

A Free Energy Model for Hysteresis in Ferroelectric Materials

Smith, R. C., Seelecke, S., Ounaies, Z. & Smith, J., Nov 1 2003, In : Journal of Intelligent Material Systems and Structures. 14, 11, p. 719-739 21 p.

Research output: Contribution to journalArticle

Free energy
Ferroelectric materials
Hysteresis
Control nonlinearities
Gibbs free energy
17 Citations (Scopus)

A Unified Model for Hysteresis in Ferroic Materials

Smith, R. C., Seelecke, S., Dapino, M. J. & Ounaies, Z., Nov 27 2003, In : Proceedings of SPIE - The International Society for Optical Engineering. 5049, p. 88-99 12 p.

Research output: Contribution to journalConference article

Hysteresis
hysteresis
Control nonlinearities
Stochastic Homogenization
Nonlinearity
556 Citations (Scopus)

Electrical properties of single wall carbon nanotube reinforced polyimide composites

Ounaies, Z., Park, C., Wise, K. E., Siochi, E. J. & Harrison, J. S., Jan 1 2003, In : Composites Science and Technology. 63, 11, p. 1637-1646 10 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Polyimides
Carbon nanotubes
Electric properties
Composite materials
1 Citation (Scopus)

Electrospun electroactive polymers for aerospace applications

Pawlowski, K. J., St Clair, T. L., McReynolds, A. C., Park, C., Ounaies, Z., Siochi, E. J. & Harrison, J. S., 2003, 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aerospace applications
Fibers
Polymers
Micro air vehicle (MAV)
Maneuverability
1 Citation (Scopus)

Electrospun electroactive polymers for aerospace applications

Pawlowski, K. J., St. Clair, T. L., McReynolds, A. C., Park, C., Ounaies, Z., Siochi, E. J. & Harrison, J. S., Aug 28 2003, In : Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 5, p. 3346-3350 5 p.

Research output: Contribution to journalConference article

Aerospace applications
Polymers
Fibers
Micro air vehicle (MAV)
Maneuverability

Modeling the structural response of multifunctional materials: The in-field vibration of thin plates

Ambur, D. R., Harik, V. M., Ounaies, Z. & Librescu, L., 2003, 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric fields
Magnetic fields
Geometry
Piezoelectric materials
Analytical models
Electric fields
Magnetic fields
Geometry
Piezoelectric materials
Analytical models
18 Citations (Scopus)

Novel piezoelectric polyimide MEMS

Atkinson, G. M., Pearson, R. E., Ounaies, Z., Park, C., Harrison, J. S., Dogan, S. & Midkiff, J. A., Jan 1 2003, TRANSDUCERS 2003 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., p. 782-785 4 p. 1215590. (TRANSDUCERS 2003 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, Digest of Technical Papers; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Polyimides
MEMS
Lithography
Curing
Fabrication
7 Citations (Scopus)

Piezoelectric polyimide tactile sensors

Atkinson, G. M., Pearson, R. E., Ounaies, Z., Park, C., Harrison, J. S. & Midkiff, J. A., Sep 1 2003, In : Biennial University/Government/Industry Microelectronics Symposium - Proceedings. p. 308-311 4 p.

Research output: Contribution to journalConference article

Polyimides
Electrodes
Piezoelectric materials
Sensors
Photoresists
18 Citations (Scopus)

Pre-stressed Curved Actuators: Characterization and Modeling of their Piezoelectric Behavior

Mossi, K., Ounaies, Z., Smith, R. & Ball, B., Nov 27 2003, In : Proceedings of SPIE - The International Society for Optical Engineering. 5053, p. 423-435 13 p.

Research output: Contribution to journalConference article

Actuator
Actuators
actuators
Substrates
Electric fields
2004
3 Citations (Scopus)

Aligned carbon nanotube-polymer composites: Investigating their electrical and physical characteristics

Banda, S., Ounaies, Z., Wilkinson, J., Park, C. & Harrison, J., Oct 25 2004, In : Proceedings of SPIE - The International Society for Optical Engineering. 5387, p. 27-36 10 p.

Research output: Contribution to journalConference article

Polymer Composites
Carbon Nanotubes
Nanotubes
Carbon nanotubes
Polymers
56 Citations (Scopus)

In situ poling and imidization of amorphous piezoelectric polyimides

Park, C., Ounaies, Z., Wise, K. E. & Harrison, J. S., Jul 21 2004, In : Polymer. 45, 16, p. 5417-5425 9 p.

Research output: Contribution to journalArticle

Remanence
Dielectric relaxation
Polyimides
Imides
Molecular modeling
1 Citation (Scopus)

Piezoelectric behavior of pre-stressed curved actuators under load

Mossi, K., Costley, J., Ounaies, Z. & Bryant, R., Oct 25 2004, In : Proceedings of SPIE - The International Society for Optical Engineering. 5387, p. 432-441 10 p.

Research output: Contribution to journalConference article

Actuator
Actuators
actuators
Epoxy
Bearings (structural)

Single-wall carbon nanotube polymer composites: Investigating their percolative behavior and physical performance

Ounaies, Z., Harrison, J. & Park, C., Jan 1 2004, In : American Society of Mechanical Engineers, Aerospace Division (Publication) AD. 69, p. 307-311 5 p., 62471.

Research output: Contribution to journalConference article

Carbon nanotubes
polyimides
Polyimides
polymer
carbon nanotubes
2005
3 Citations (Scopus)

Carbon nanotube -coated electro-active paper(EAPap) as hybrid high-displacement actuator

Yun, S., Kim, J., Ounaies, Z. & St Clair, T., Sep 29 2005, In : Proceedings of SPIE - The International Society for Optical Engineering. 5761, p. 62-68 7 p., 09.

Research output: Contribution to journalConference article

Polyaniline
Carbon Nanotubes
Nanotubes
Actuator
Carbon nanotubes
4 Citations (Scopus)

Electric field alignment of single wall carbon nanotubes (SWNT) in polymers

Banda, S., Ounaies, Z., St Clair, T., Rud, J., Burney, K., Bowlin, G., Park, C. & Harrison, J., Sep 29 2005, In : Proceedings of SPIE - The International Society for Optical Engineering. 5761, p. 12-22 11 p., 03.

Research output: Contribution to journalConference article

Carbon Nanotubes
Nanotubes
Carbon nanotubes
Electric Field
Polymers
1 Citation (Scopus)

Electroactive paper materials coated with carbon nanotubes and conducting polymers

Kim, J., Kang, Y., Ounaies, Z., Bae, S. H. & Yun, S., Dec 1 2005, Proceedings of the ASME Aerospace Division 2005. p. 59-63 5 p. (American Society of Mechanical Engineers, Aerospace Division (Publication) AD; vol. 70 AD).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coated materials
Conducting polymers
conducting polymers
Carbon nanotubes
Polyaniline
42 Citations (Scopus)

Harvesting energy using a thin unimorph prestressed bender: Geometrical effects

Mossi, K., Green, C., Ounaies, Z. & Hughes, E., Mar 1 2005, In : Journal of Intelligent Material Systems and Structures. 16, 3, p. 249-261 13 p.

Research output: Contribution to journalArticle

Piezoelectric devices
Energy harvesting
Piezoelectric materials
Energy conversion
Polyimides
2 Citations (Scopus)

Role of inherent polarization and ion transport in the actuation of cellulose based EAPap

Kim, J., Kang, Y. K., Yun, S. R. & Ounaies, Z., Sep 29 2005, In : Proceedings of SPIE - The International Society for Optical Engineering. 5761, p. 81-89 9 p., 11.

Research output: Contribution to journalConference article

Ion Transport
Cellulose
actuation
cellulose
Polarization

Systematic upscaling for multiscale modeling of multifunctional polymer nanocomposites

Diskin, B., Harik, V. M., Ounaies, Z. & Brandt, A., Dec 1 2005, 20th Technical Conference of the American Society for Composites 2005. p. 645-663 19 p. (20th Technical Conference of the American Society for Composites 2005; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nanocomposites
Polymers
Processing
Mechanical properties
Carbon Nanotubes
2006
1 Citation (Scopus)

Active nanocomposite polymers: Enhancing sensing and actuation performance

Ounaies, Z., Almasri, A., Banda, S., Kim, Y. S. & Grunlan, J., Nov 28 2006, Proceedings of 2006 Multifunctional Nanocomposites International Conference. (Proceedings of 2006 Multifunctional Nanocomposites International Conference; vol. 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nanocomposites
Carbon nanotubes
Polymers
Nanoparticles
Sonication
1 Citation (Scopus)

AFM characterization of electroactive polymer nanocomposites

Pérez, R., Ounaies, Z., Lillehei, P. & Harrison, J., May 8 2006, Materials Research Society Symposium Proceedings. p. 127-132 6 p. (Materials Research Society Symposium Proceedings; vol. 889).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

electroactive polymers
Nanocomposites
nanocomposites
Polymers
atomic force microscopy
200 Citations (Scopus)

Aligned single-wall carbon nanotube polymer composites using an electric field

Park, C., Wilkinson, J., Banda, S., Ounaies, Z., Wise, K. E., Sauti, G., Lillehei, P. T. & Harrison, J. S., Jun 15 2006, In : Journal of Polymer Science, Part B: Polymer Physics. 44, 12, p. 1751-1762 12 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Carbon nanotubes
Polymers
carbon nanotubes
alignment
8 Citations (Scopus)

An ellipsometric study of polymer film curing: 2,6-Bis(3-aminophenoxy) benzonitrile/4,4′oxidiphthalic anhydride poly(amic acid)

Yan, L., Park, C., Ounaies, Z. & Irene, E. A., Apr 5 2006, In : Polymer. 47, 8, p. 2822-2829 8 p.

Research output: Contribution to journalArticle

Anhydrides
Polymer films
Curing
Acids
Spectroscopic ellipsometry
12 Citations (Scopus)

A study of the optical and electronic properties of poly (vinylidene fluoride-trifluoroethylene) copolymer thin films

Li, Y. X., Yan, L., Shrestha, R. P., Yang, D., Ounaies, Z. & Irene, E. A., Aug 14 2006, In : Thin Solid Films. 513, 1-2, p. 283-288 6 p.

Research output: Contribution to journalArticle

Spectroscopic ellipsometry
vinylidene
Electronic properties
ellipsometry
fluorides
97 Citations (Scopus)

A unified framework for modeling hysteresis in ferroic materials

Smith, R. C., Seelecke, S., Dapino, M. & Ounaies, Z., Jan 1 2006, In : Journal of the Mechanics and Physics of Solids. 54, 1, p. 46-85 40 p.

Research output: Contribution to journalArticle

Hysteresis
hysteresis
ferroelastic materials
ferroelectric materials
ferromagnetic materials

Characterization of polyvinylidene fluoride (PVDF)-double-walled carbon nanotubes (DWNT)

Ounaies, Z., Yeon, S. K., Almasri, A. & Grunlan, J., Jan 1 2006, Proceedings of 2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006 - Materials. American Society of Mechanical Engineers (ASME), (American Society of Mechanical Engineers, Materials Division (Publication) MD).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carbon nanotubes
Sonication
Composite materials
Composite films
Polymers