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Research Output 2000 2019

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2019

Investigation of nanocomposite polypropylene for DC capacitors: A feasibility study

Montanari, G. C., Seri, P., Karttunen, M., Paajanen, M., Lahti, K. & Rytöluoto, I., 2019, In : The transactions of the Institute of Electrical Engineers of Japan A. 139, 2, p. 105-112 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Electric space charge
Polypropylenes
Nanocomposites
Capacitors
Electric breakdown

Surface Modification of Fumed Silica by Plasma Polymerization of Acetylene for PP/POE Blends Dielectric Nanocomposites

He, X., Rytöluoto, I., Anyszka, R., Mahtabani, A., Saarimäki, E., Lahti, K., Paajanen, M., Dierkes, W. & Blume, A., 28 Nov 2019, In : Polymers. 11, 12, 21 p., 1957.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Plasma polymerization
Acetylene
Polymer blends
Silicon Dioxide
Surface treatment
2016
3 Citations (Scopus)

Measurement of Sensitivity Distribution Map of a Ferroelectret Polymer Film

Rajala, S., Paajanen, M. & Lekkala, J., 2016, In : IEEE Sensors Journal. 16, 23, p. 8517 - 8522

Research output: Contribution to journalArticleScientificpeer-review

Polymer films
sensitivity
sensors
Sensors
polymers
2012
2 Citations (Scopus)

Thermally more durable electromechanical films by POSS nanomodification

Paajanen, M., Karttunen, M., Kortet, S. & Orko, I., 2012, In : Key Engineering Materials. 538, p. 65-68 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Polypropylenes
Diffusion in gases
Alkenes
Gold
Olefins
2007
18 Citations (Scopus)

Charging Properties and Time-temperature Stability of Innovative Polymeric Cellular Ferroelectrets

Montanari, G. C., Ciani, F., Motori, A., Paajanen, M., Gerhard-Multhaupt, R. & Wegener, M., 2007, In : IEEE Transactions on Dielectrics and Electrical Insulation. 14, 1, p. 238-248

Research output: Contribution to journalArticleScientificpeer-review

Electrets
Electric space charge
Stretching
Partial discharges
Polymers

Compliand elastomer electrodes for polymer actuators (EAP)

Karttunen, M. & Paajanen, M., 2007, In : World Wide ElectroActive Polymer Newsletter. 9, 2, p. 11-12

Research output: Contribution to journalArticleProfessional

180 Citations (Scopus)

Energy minimization for self-organized structure formation and actuation

Kofod, G., Wirges, W., Paajanen, M. & Bauer, S., 2007, In : Applied Physics Letters. 90, 3 p., 081916.

Research output: Contribution to journalArticleScientificpeer-review

actuation
elastic bending
optimization
elastomers
plastics
2006
7 Citations (Scopus)

Capacitance dilatometry for the in-situ controlled expansion process of the cellular polymer-filler composites (ferroelectrets)

Leonhartsberger, J., Salhofer, H., Schwödiauer, R., Bauer-Gogonea, S., Bauer, S., Fostner, R., Eder, G., Paajanen, M., Minkkinen, H. & Raukola, J., 2006, In : Ferroelectrics. 331, 1, p. 181-187 7 p.

Research output: Contribution to journalArticleScientificpeer-review

dilatometry
fillers
Fillers
Polymers
foaming

Nanopolymeerit jäljittelevät biologista liikettä

Paajanen, M., 2006, In : Kemia-Kemi. 4, 19.

Research output: Contribution to journalArticleProfessional

55 Citations (Scopus)

Novel heat durable electromechanical film: Processing for electromechanical and electret applications

Saarimäki, E., Paajanen, M., Savijärvi, A-M., Minkkinen, H., Wegener, M., Voronina, O., Schulze, R., Wirges, W. & Gerhard-Multhaupt, R., 2006, In : IEEE Transactions on Dielectrics and Electrical Insulation. 13, 5, p. 963-972 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrets
Olefins
Processing
Actuators
Foams
107 Citations (Scopus)

Self-organized minimum-energy structures for dielectric elastomer actuators

Kofod, G., Paajanen, M. & Bauer, S., 2006, In : Applied Physics A: Materials Science and Processing. 85, 2, p. 141-143 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Elastomers
elastomers
Actuators
actuators
plastics
2005
4 Citations (Scopus)

Comparison and electrical modeling of new polymeric cellular electrets

Montanari, C. G., Mazzanti, G., Ciani, F. & Paajanen, M., 2005, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 52, 11, p. 2088 - 2095 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrets
electrets
charging
Partial discharges
Electric space charge
26 Citations (Scopus)

Elastic and electromechanical properties of polypropylene foam ferroelectrets

Dansachmüller, M., Schwödiauer, R., Bauer-Gogonea, S., Bauer, S., Paajanen, M. & Raukola, J., 2005, In : Applied Physics Letters. 86, 3, 3 p., 031910.

Research output: Contribution to journalArticleScientificpeer-review

polypropylene
foams
transducers
elastic properties
electrets
2004
121 Citations (Scopus)

Controlled inflation of voids in cellular polymer ferroelectrets: Optimizing electromechanical transducer properties

Wegener, M., Wirges, W., Gerhard-Multhaupt, R., Dansachmüller, M., Schwödiauer, R., Bauer-Gogonea, S., Bauer, S., Paajanen, M., Minkkinen, H. & Raukola, J., 2004, In : Applied Physics Letters. 84, 3, p. 392 - 394 3 p.

Research output: Contribution to journalArticleScientificpeer-review

voids
modulus of elasticity
transducers
electrets
polymers
2002
112 Citations (Scopus)

Dielectric barrier microdischarges. Mechanism for the charging of cellular piezoelectric polymers

Lindner, M., Bauer-Gogonea, S., Bauer, S., Paajanen, M. & Raukola, J., 2002, In : Journal of Applied Physics. 91, 8, p. 5283-5287

Research output: Contribution to journalArticleScientificpeer-review

foams
charging
polymers
breakdown
light emission
2001
80 Citations (Scopus)

Electromechanical modeling and properties of the electret film EMFI

Paajanen, M., Lekkala, J. & Välimäki, H., 2001, In : IEEE Transactions on Dielectrics and Electrical Insulation. 8, 4, p. 629-636 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrets
Actuators
Transducers
Sensors
Loudspeakers
97 Citations (Scopus)

Piezo- and pyroelectricity of a polymer-foam space-charge electret

Neaugschwandtner, G., Schwödiauer, R., Bauer-Gogonea, S., Bauer, S., Paajanen, M. & Lekkala, J., 2001, In : Journal of Applied Physics. 89, 8, p. 4503-4511 9 p.

Research output: Contribution to journalArticleScientificpeer-review

pyroelectricity
electrets
foams
space charge
polymers
162 Citations (Scopus)

Understanding the role of the gas in the voids during corona charging of cellular electret films: A way to enhance their piezoelectricity

Paajanen, M., Wegener, M. & Gerhard-Multhaupt, R., 2001, In : Journal of Physics D: Applied Physics. 34, 16, p. 2482-2488 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrets
electrets
piezoelectricity
Piezoelectricity
coronas
2000
27 Citations (Scopus)

Determination of the actuator sensitivity of electromechanical polypropylene films by atomic force microscopy

Peltonen, J., Paajanen, M. & Lekkala, J., 2000, In : Journal of Applied Physics. 88, 8, p. 4789 - 4793 5 p.

Research output: Contribution to journalArticleScientificpeer-review

polypropylene
actuators
atomic force microscopy
sensitivity
electric charge
229 Citations (Scopus)

ElectroMechanical Film (EMFi): A new multipurpose electret material

Paajanen, M., Lekkala, J. & Kirjavainen, K., 2000, In : Sensors and Actuators A: Physical. 84, 1-2, p. 95 - 102 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrets
electrets
Actuators
actuators
Loudspeakers
97 Citations (Scopus)

Modelling the electromechanical film (EMFi)

Paajanen, M., Välimäki, H. & Lekkala, J., 2000, In : Journal of Electrostatics. 48, 3-4, p. 193 - 204 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Air
Actuators
Polypropylenes
Elastic Modulus
actuators