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

Article

Advanced parametric analysis of piezoelectric actuators with interdigitated electrodes having various cross-sections

Jemai, A., Najar, F., Chafra, M. & Ounaies, Z., Jan 1 2015, In : Lecture Notes in Mechanical Engineering. 789, p. 489-499 11 p.

Research output: Contribution to journalArticle

Piezoelectric actuators
Electrodes
Numerical models
Hazards
Actuators
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
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
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
1 Citation (Scopus)
Electrostriction
electrostriction
microstructure
Microstructure
Crystalline materials
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
7 Citations (Scopus)

An axisymmetric problem of an embedded mixed-mode crack in a functionally graded magnetoelectroelastic infinite medium

Rekik, M., El-Borgi, S. & Ounaies, Z., Feb 15 2014, In : Applied Mathematical Modelling. 38, 4, p. 1193-1210 18 p.

Research output: Contribution to journalArticle

Mixed Mode
Crack
Cracks
Intensity Factor
Hankel transform
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
13 Citations (Scopus)

An embedded mixed-mode crack in a functionally graded magnetoelectroelastic infinite medium

Rekik, M., El-Borgi, S. & Ounaies, Z., Mar 1 2012, In : International Journal of Solids and Structures. 49, 5, p. 835-845 11 p.

Research output: Contribution to journalArticle

Mixed Mode
Intensity Factor
Crack
cracks
Cracks
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
3 Citations (Scopus)

A parametric study on flexible electro-active composites: Importance of geometry and matrix properties

Atitallah, H. B., Ounaies, Z. & Muliana, A., Nov 1 2015, In : Journal of Intelligent Material Systems and Structures. 26, 17, p. 2386-2394 9 p.

Research output: Contribution to journalArticle

Geometry
Fibers
Composite materials
Electrodes
Polymers
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
9 Citations (Scopus)

A tribological and biomimetic study of PI-CNT composites for cartilage replacement

Ribeiro, R., Banda, S., Ounaies, Z., Ucisik, H., Usta, M. & Liang, H., Jan 1 2012, In : Journal of Materials Science. 47, 2, p. 649-658 10 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Cartilage
Biomimetics
Polyimides
Carbon nanotubes
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
5 Citations (Scopus)

Capture-gated Spectroscopic Measurements of Monoenergetic Neutrons with a Composite Scintillation Detector

Nattress, J., Mayer, M., Foster, A., Barhoumi Ep Meddeb, A., Trivelpiece, C., Ounaies, Z. & Jovanovic, I., Apr 1 2016, In : IEEE Transactions on Nuclear Science. 63, 2, p. 1227-1235 9 p., 7454847.

Research output: Contribution to journalArticle

neutron thermalization
Scintillation counters
scintillation
Neutrons
neutrons
1 Citation (Scopus)
fast neutrons
Toluene
toluene
Neutrons
Lithium
39 Citations (Scopus)

Characterization of solution-processed double-walled carbon nanotube/ poly(vinylidene fluoride) nanocomposites

Almasri, A., Ounaies, Z., Kim, Y. S. & Grunlan, J., Feb 13 2008, In : Macromolecular Materials and Engineering. 293, 2, p. 123-131 9 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Carbon nanotubes
Nanocomposites
Polymers
Volume fraction
11 Citations (Scopus)

Colloidal microstructures, transport, and impedance properties within interfacial microelectrodes

Bahukudumbi, P., Everett, W. N., Beskok, A., Bevan, M. A., Huff, G., Lagoudas, D. & Ounaies, Z., Jun 12 2007, In : Applied Physics Letters. 90, 22, 224102.

Research output: Contribution to journalArticle

transport properties
impedance
microstructure
assembly
gold

Colloidal microstructures, transport, and impedance properties within interfacial microelectrodes

Bahukudumbi, P., Everett, W. N., Beskok, A., Bevan, M. A., Huff, G. H., Lagoudas, D. & Ounaies, Z., 2007, In : Applied Physics Letters. 90, 22

Research output: Contribution to journalArticle

transport properties
impedance
microstructure
assembly
gold

Compression-Induced Topographic Corrugation of Air/Surfactant/Water Interface: Effect of Nanoparticles Adsorbed beneath the Interface

Chae, I., Ngo, D., Makarem, M., Ounaies, Z. & Kim, S. H., Jan 1 2019, (Accepted/In press) In : Journal of Physical Chemistry C.

Research output: Contribution to journalArticle

Cationic surfactants
Surface-Active Agents
Isotherms
Monolayers
isotherms
Polyimides
Plasmas
Temperature
Leakage currents
Surface chemistry
9 Citations (Scopus)

Design, fabrication, and modeling of an electric-magnetic self-folding sheet

Bowen, L., Springsteen, K., Ahmed, S., Arrojado, E., Frecker, M. I., Simpson, T. W., Ounaies, Z. & Von Lockette, P. R., Apr 1 2017, In : Journal of Mechanisms and Robotics. 9, 2, 021012.

Research output: Contribution to journalArticle

Dynamic models
Fabrication
Elastomers
Polymers
Terpolymers
39 Citations (Scopus)
nanotubes
nanocomposites
Raman spectroscopy
distribution functions
polymers
16 Citations (Scopus)

Development and characterization of a neutron detector based on a lithium glass-polymer composite

Mayer, M., Nattress, J., Kukharev, V., Foster, A., Barhoumi Ep Meddeb, A., Trivelpiece, C., Ounaies, Z. & Jovanovic, I., Jun 11 2015, In : Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 785, p. 117-122 6 p.

Research output: Contribution to journalArticle

Neutron detectors
neutron counters
Neutrons
Lithium
lithium
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
31 Citations (Scopus)

Dielectric characteristics of polyimide CP2

Jacobs, J. D., Arlen, M. J., Wang, D. H., Ounaies, Z., Berry, R., Tan, L. S., Garrett, P. H. & Vaia, R. A., Jan 1 2010, In : Polymer. 51, 14, p. 3139-3146 8 p.

Research output: Contribution to journalArticle

Polyimides
Polymer matrix
Dielectric properties
Glass transition
Nanocomposites
515 Citations (Scopus)

Discovery of cellulose as a smart material

Kim, J., Yun, S. & Ounaies, Z., Jun 13 2006, In : Macromolecules. 39, 12, p. 4202-4206 5 p.

Research output: Contribution to journalArticle

Intelligent materials
Cellulose
MEMS
Biomimetics
Biosensors
1 Citation (Scopus)

Discriminating Uranium Isotopes Using the Time-Emission Profiles of Long-Lived Delayed Neutrons

Nattress, J., Ogren, K., Foster, A., Barhoumi Ep Meddeb, A., Ounaies, Z. & Jovanovic, I., Aug 30 2018, In : Physical Review Applied. 10, 2, 024049.

Research output: Contribution to journalArticle

uranium isotopes
neutron emission
uranium
neutrons
profiles
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
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
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
2 Citations (Scopus)

Effects of applied potential on friction of a piezoelectric material

Mani, S., Perez, R., Lee, H., Ounaies, Z., Hung, W. & Liang, H., Oct 1 2007, In : Journal of Tribology. 129, 4, p. 836-840 5 p.

Research output: Contribution to journalArticle

piezoelectricity
Piezoelectric materials
vinylidene
fluorides
friction
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
19 Citations (Scopus)

Electric field alignment of nanofibrillated cellulose (NFC) in silicone oil: Impact on electrical properties

Kadimi, A., Benhamou, K., Ounaies, Z., Magnin, A., Dufresne, A., Kaddami, H. & Raihane, M., Jun 25 2014, In : ACS Applied Materials and Interfaces. 6, 12, p. 9418-9425 8 p.

Research output: Contribution to journalArticle

Silicone Oils
Cellulose
Silicones
Electric properties
Electric fields
11 Citations (Scopus)

Electric field-induced bending and folding of polymer sheets

Ahmed, S., Ounaies, Z. & Arrojado, E. A. F., Jun 15 2017, In : Sensors and Actuators, A: Physical. 260, p. 68-80 13 p.

Research output: Contribution to journalArticle

folding
Polymers
Actuators
electroactive polymers
actuators
3 Citations (Scopus)

Electromechanical response of reduced graphene oxide-polyvinylidene fluoride nanocomposites prepared through in-situ thermal reduction

Sigamani, N., Ounaies, Z., Ehlert, G. & Sodano, H., Apr 21 2015, In : Journal of Applied Physics. 117, 15, 154102.

Research output: Contribution to journalArticle

vinylidene
fluorides
nanocomposites
graphene
oxides
7 Citations (Scopus)

Electrospinning of cellulose and SWNT-cellulose nano fibers for smart applications

Pankonian, A., Ounaies, Z. & Yang, C., Oct 1 2011, In : Journal of Mechanical Science and Technology. 25, 10, p. 2631-2639 9 p.

Research output: Contribution to journalArticle

Electrospinning
Cellulose
Carbon nanotubes
Fibers
Needles
11 Citations (Scopus)
polyimides
Polyimides
Electric properties
electrical properties
Plasmas
32 Citations (Scopus)

Evidence of piezoelectricity in SWNT-polyimide and SWNT-PZT-polyimide composites

Ounaies, Z., Park, C., Harrison, J. & Lillehei, P., Sep 1 2008, In : Journal of Thermoplastic Composite Materials. 21, 5, p. 393-409 17 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
piezoelectricity
Piezoelectricity
polyimides
Polyimides
11 Citations (Scopus)

Extreme enhancement and reduction of the dielectric response of polymer nanoparticulate composites via interphasial charges

Lopez-Pamies, O., Goudarzi, T., Barhoumi Ep Meddeb, A. & Ounaies, Z., Jun 16 2014, In : Applied Physics Letters. 104, 24, 4884368.

Research output: Contribution to journalArticle

matrix materials
composite materials
augmentation
polymers
statistical distributions
3 Citations (Scopus)
Elastomers
Polydimethylsiloxane
Composite materials
Nanoparticles
baysilon
25 Citations (Scopus)

Finite element analysis and validation of dielectric elastomer actuators used for active origami

McGough, K., Ahmed, S., Frecker, M. I. & Ounaies, Z., Jan 1 2014, In : Smart Materials and Structures. 23, 9, 094002.

Research output: Contribution to journalArticle

Elastomers
elastomers
Actuators
actuators
Finite element method
6 Citations (Scopus)

Finite element analysis of a three-phase piezoelectric nanocomposite

Maxwell, K. S., Whitcomb, J. D., Ounaies, Z. & Barhoumi Ep Meddeb, A., Jul 1 2010, In : Journal of Intelligent Material Systems and Structures. 21, 11, p. 1073-1084 12 p.

Research output: Contribution to journalArticle

Nanocomposites
Finite element method
Nanotubes
Carbon Nanotubes
Piezoelectric materials
1 Citation (Scopus)

Finite element analysis of electroactive and magnetoactive coupled behaviors in multi-field origami structures

Zhang, W., Ahmed, S., Masters, S., Hong, J., Ounaies, Z. & Frecker, M. I., Dec 1 2018, In : Journal of Intelligent Material Systems and Structures. 29, 20, p. 3983-4000 18 p.

Research output: Contribution to journalArticle

Elastomers
Finite element method
Polymers
Constitutive models
Magnetization
2 Citations (Scopus)

Finite element analysis of electroactive polymer and magnetoactive elastomer based actuation for origami folding

Zhang, W., Ahmed, S., Masters, S., Ounaies, Z. & Frecker, M. I., Sep 13 2017, In : Smart Materials and Structures. 26, 10, 105032.

Research output: Contribution to journalArticle

Elastomers
electroactive polymers
elastomers
actuation
folding
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)

Hysteretic electro-mechanical coupling response of PZT fibers: Constitutive modeling and experiments

Song, R., Atitallah, H. B., Muliana, A. H. & Ounaies, Z., Apr 4 2018, In : Ferroelectrics. 526, 1, p. 95-119 25 p.

Research output: Contribution to journalArticle

Electromechanical coupling
Electric fields
Constitutive models
retraining
fibers
15 Citations (Scopus)

Influence of dispersion states on the performance of polymer-based nanocomposites

Khodaparast, P. & Ounaies, Z., Oct 1 2014, In : Smart Materials and Structures. 23, 10, 104004.

Research output: Contribution to journalArticle

Nanocomposites
nanocomposites
Polymers
polymers
energy storage
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
39 Citations (Scopus)
Elastomers
elastomers
Actuators
actuators
actuation