Jari Juuti


Senior Research Fellow / Adjunct professor

123 peer reviewed publications in international journals. The publications have been cited 1728 times, of which the most cited publication accounts for 120 citations. The author has a h-index of 23.00. (Scopus)


Jari Juuti received his M.Sc. and D.Sc. degrees in mechanical and electrical engineering from University of Oulu, Finland, in 2000 and 2006, respectively. He was appointed as Docent/Adjunct professor of “Functional Materials their Components and Applications” at the university 2009. Currently he is Senior Research Fellow of University of Oulu and has participated/supervised >30 research projects funded by domestic/international funding agencies and industry (additionally >20 privately funded commissioned research). He is author/co-author of >90 refereed scientific journal publications, ~20 conference publications, 3 book chapters and 5 patents/patent applications. His research interests include piezoelectric materials, functional composites, actuators, motors and energy harvesters for micromechanical, high frequency and printed electronics applications.

Research interests

  • Piezoelectric materials
  • Functional composites
  • Actuators, motors, sensors and energy harvesters for micromechanical applications
  • High frequency and printed electronics applications and materials

Selected Publications

  • M. Leinonen, J. Juuti, H. Jantunen, J. Palosaari, Energy harvesting with a bimorph type piezoelectric diapragm multilayer structure and mechanically induced pre-stress, Energy Technology, 4 (5), 620-624, 2016. doi.org/10.1002/ente.201500429
  • S. Rajala, T. Siponkoski, E. Sarlin, M. Mettänen, V. Vuoriluoto, A. Pammo, J. Juuti, O. J. Rojas, S. Franssila, S. Tuukkanen, Cellulose nanofibril film as a piezoelectric sensor materials, ACS Applied Materials and Interfaces, 8 (24), 15607-15614, 2016. pubs.acs.org/doi/abs/10.1021/acsami.6b03597
  • H. Kähäri, P. Ramachandran, J. Juuti, H. Jantunen, Room-temperature densified Li2MoO4 ceramic patch antenna and the effect of humidity, International Journal of Applied Ceramic Technology, 14, 50-55, 2017. https://doi.org/10.1111/ijac.12615
  • Y. Bai, T. Siponkoski, J. Peräntie, H. Jantunen, J. Juuti, Ferroelectric, pyroelectric and piezoelectric properties of a photovoltaic perovskite oxide, Applied Physics Letters, 110, 063903, 2017.  https://doi.org/10.1063/1.4974735
  • Y. Bai, P. Tofel, J. Palosaari, H. Jantunen, J. Juuti, A game changer: A multi-functional perovskite exhibiting giant ferroelectricity and narrow bandgap with potential application in a truly monolithic multi-energy harvester or sensor, Advanced Materials, 29, 1700767, 2017. https://doi.org/10.1002/adma.201700767
  • Y. Bai, H. Jantunen, J. Juuti, Energy harvesting research: The road from single-source to multi-source, Advanced Materials, 30 (34), 1707271, 2018. https://doi.org/10.1002/adma.201707271
  • J. Tolvanen, J. Hannu, J. Juuti, H. Jantunen, Piezoelectric flexible LCP-PZT composites for sensor applications at elevated temperatures, Electronic Materials Letters, 14, 113-123, 2018. https://doi.org/10.1007/s13391-018-0027-0
  • M. Nelo, T. Siponkoski, H. Kähäri, K. Kordas, J. Juuti, H. Jantunen, Upside-down composites: fabricating piezoceramics at room temperature, Journal of the European Ceramic Society, 39 (11), 3301-3306, 2019. https://doi.org/10.1016/j.jeurceramsoc.2019.04.052
  • T. Siponkoski, M. Nelo,  H. Jantunen, J. Juuti, Printable P(VDF-TrFE)-PZT composite with very high piezoelectric coefficient, Applied Materials Today, 20, 100696, 2020. https://doi.org/10.1016/j.apmt.2020.100696
  • K. Nurmi, H. Jantunen, J. Juuti, The impact of lanthanum doping on the microstructure and colossal permittivity in BaxSr(1-x)TiO3, Open Ceramics, 11 May 2021, doi.org/10.1016/j.oceram.2021.100120

Funded Research Projects

  • High Performance Piezoelectric Actuators with Functional Gradients (Hi-Piezo) - Post-doctoral Researcher, Academy of Finland (2008-2010)
  • Evolutionary Active Materials (EAM), Academy of Finland (2011-2013)
  • Piezoelectric and electromagnetic energy harvesting components for underwater sensor networks (PIM-WAVE), Scientific Advisory Board for Defence (2011)
  • Printed activity and movement sensors (PAMS), Tekes & industry (2012-2014)
  • Lead-free flexoelectric composites (LEAP) - Academy Research Fellow, Academy of Finland (2013-2018)
  • Wireless integrated sensors and actuators for ICT applications (TeleFunc), Academy of Finland (2015-2016)
  • Connected quantitative sensing (Ruby), Hilla-programme, Tekes (2015-2016)
  • Merenkulun ja offshore-toiminnan ympäristötehokkuus – Hyperspektrikuvannuksella Globaaliin palveluun (HyperGlobal), Tekes (2015-2016)
  • Next generation power sources for self-sustainable devices – integrated multi-source energy harvesters (NextGEnergy), Marie Skłodowska-Curie IF, EU (2016-2018)
  • Clean Energy from Environment with Energy Harvesting, Challenge Finland competition, Tekes + industry (2017-2018)
  • Electromechanical biomaterial based transducers, Academy of Finland (2018-2022)
  • Energy Self-sufficient systems, Business Finland (2019-2021)

Social media

Research groups

  • Microelectronics Research Unit

Thesis supervisions

D.Sc. thesis
M.Sc. thesis