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Research Output 1998 2019

2019

0.6V threshold voltage thin film transistors with solution processable indium oxide (In2O3) Channel and Anodized High-κ Al2O3 Dielectric

Bhalerao, S. R., Lupo, D., Zangiabadi, A., Kymissis, I., Leppaniemi, J., Alastalo, A. & Berger, P. R., 22 May 2019, In : IEEE Electron Device Letters. 40, 7, p. 1112-1115 4 p., 8720175.

Research output: Contribution to journalArticleScientificpeer-review

Thin film transistors
Threshold voltage
Indium
Oxides
Transistors
1 Citation (Scopus)

Reverse-Offset Printing of Metal-Nitrate-Based Metal Oxide Semiconductor Ink for Flexible TFTs

Leppäniemi, J., Sneck, A., Kusaka, Y., Fukuda, N. & Alastalo, A., 2019, In : Advanced Electronic Materials. 5, 8, 1900272.

Research output: Contribution to journalArticleScientificpeer-review

Offset printing
Thin film transistors
Ink
Nitrates
Metals
2018
6 Citations (Scopus)

High performance solution processed oxide thin-film transistors with inkjet printed Ag source-drain electrodes

Gillan, L., Leppäniemi, J., Eiroma, K., Majumdar, H. & Alastalo, A., 1 Jan 2018, In : Journal of Materials Chemistry C. 6, 13, p. 3220-3225 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Polyethyleneimine
Thin film transistors
Contact resistance
Oxides
Oxide films
5 Citations (Scopus)

Reverse-offset for roll-to-roll high-resolution printing

Sneck, A., Mäkelä, T. & Alastalo, A., 2018, In : Flexible and Printed Electronics. 3, 1, 014001.

Research output: Contribution to journalArticleScientificpeer-review

Offset printing
Ink
Printing
Plastics
Nanoparticles
6 Citations (Scopus)

Reverse Offset Printing of Semidried Metal Acetylacetonate Layers and Its Application to a Solution-Processed IGZO TFT Fabrication

Kusaka, Y., Shirakawa, N., Ogura, S., Leppäniemi, J., Sneck, A., Alastalo, A., Ushijima, H. & Fukuda, N., 25 Jul 2018, In : ACS Applied Materials & Interfaces. 10, 29, p. 24339-24343 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Offset printing
Ink
Metals
Plasmas
Fabrication

Roll-to-roll reverse offset printing of millimeter-wave transmission lines and antennas on flexible substrates

Zheng, J., Ala-Laurinaho, J., Sneck, A., Mäkelä, T., Alastalo, A. & Räisänen, A. V., 2018, 12th European Conference on Antennas and Propagation, EuCAP 2018. Institution of Engineering and Technology IET, Vol. CP741. 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Offset printing
Wave transmission
Microstrip antennas
Millimeter waves
Printing
6 Citations (Scopus)

Systematic Design of Printable Metasurfaces: Validation Through Reverse-offset Printed Millimeter-wave Absorbers

Wang, X. C., Diaz-Rubio, A., Sneck, A., Alastalo, A., Makela, T., Ala-Laurinaho, J., Zheng, J. F., Raisanen, A. V. & Tretyakov, S. A., 1 Mar 2018, In : IEEE Transactions on Antennas and Propagation. 66, 3, p. 1340 - 1351 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Millimeter waves
Offset printing
Wavefronts
Inductance
Electromagnetic waves
2017
25 Citations (Scopus)

Far-UV Annealed Inkjet-Printed In2O3 Semiconductor Layers for Thin-Film Transistors on a Flexible Polyethylene Naphthalate Substrate

Leppäniemi, J., Eiroma, K., Majumdar, H. & Alastalo, A., 15 Mar 2017, In : ACS Applied Materials & Interfaces. 9, 10, p. 8774-8782 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Polyethylene
Thin film transistors
Polyethylenes
Semiconductor materials
Oxides

Second-order perturbation theory for the single-impurity Anderson model of a BCS superconductor

Alastalo, A. T., 15 Sep 2017, In : Journal of Magnetism and Magnetic Materials. 438, p. 193-203 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Hartree approximation
Superconducting materials
Energy gap
perturbation theory
Metals
2 Citations (Scopus)

Studies on applicability of reverse offset in printing millimeter-wave antennas on flexible substrates

Zheng, J., Ala-Laurinaho, J., Alastalo, A., Mäkelä, T., Sneck, A. & Räisänen, A. V., 6 Jul 2017, 10th Global Symposium on Millimeter-Waves, GSMM 2017. So, K. K. & Chan, K. F. (eds.). Institute of Electrical and Electronic Engineers IEEE, p. 42-43 2 p. 7970292

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Millimeter waves
printing
millimeter waves
Printing
antennas
2016
6 Citations (Scopus)

In2O3 thin-film transistors via inkjet printing for depletion-load nMOS inverters

Leppäniemi, J., Eiroma, K., Majumdar, H. S. & Alastalo, A. T., 2016, In : IEEE Electron Device Letters. 37, 4, p. 445-448

Research output: Contribution to journalArticleScientificpeer-review

Thin film transistors
Printing
Metals
Substrates
Threshold voltage
5 Citations (Scopus)

Suitability of roll-to-roll reverse offset printing for mass production of millimeter-wave antennas: Progress report

Räisänen, A. V., Ala-Laurinaho, J., Asadchy, V., Diaz-Rubio, A., Khanal, S., Semkin, V., Tretyakov, S., Wang, X., Zheng, J., Alastalo, A., Mäkelä, T. & Sneck, A., 9 Jan 2016, Antennas & Propagation Conference (LAPC), 2016 Loughborough. Institute of Electrical and Electronic Engineers IEEE, p. 1-5

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Offset printing
Millimeter waves
Antennas
Ink
Printing
4 Citations (Scopus)

Towards printed millimeter-wave components: Material characterization

Khanal, S., Semkin, V., Asadchy, V., Laurinaho, J. A., Alastalo, A., Sneck, A., Makela, T., Tretyakov, S. & Raisanen, A. V., 27 Jun 2016, 2016 Global Symposium on Millimeter Waves, GSMM 2016 and ESA Workshop on Millimetre-Wave Technology and Applications. Institute of Electrical and Electronic Engineers IEEE, 7500324

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

inks
Millimeter waves
Ink
millimeter waves
polyethylene terephthalate
2015
6 Citations (Scopus)

All-printed transistors on nano cellulose substrate

Hassinen, Alastalo, Eiroma, Tenhunen, T-M., Kunnari, V., Kaljunen, T., Forsström, U. & Tammelin, T., 2015, In : MRS Advances. 1, 10, p. 645-650

Research output: Contribution to journalArticleScientificpeer-review

cellulose
Cellulose
printing
Printing
Transistors
59 Citations (Scopus)
Open Access
Thin film transistors
Semiconductor materials
Plastics
Atomic layer deposition
Gate dielectrics
5 Citations (Scopus)

Gravure printed sol-gel derived AlOOH hybrid nanocomposite thin films for printed electronics

Kololuoma, T., Leppäniemi, J., Majumdar, H., Branquinho, R., Hervei-Valcu, E., Musat, V., Martins, R., Fortunato, E. & Alastalo, A., 2015, In : Journal of Materials Chemistry C. 3, 8, p. 1776-1786

Research output: Contribution to journalArticleScientificpeer-review

Nanocomposite films
Sol-gels
Electronic equipment
Leakage currents
Permittivity
2014

Combined far ultraviolet and thermal annealing of metal nitrate precursors for solution processed IZO TFTs

Leppäniemi, J., Ojanperä, K., Majumdar, H., Kololuoma, T. & Alastalo, A., 2014.

Research output: Contribution to conferenceConference articleScientific

Effect of UV light and low temperature on solution-processed, high-performance metal-oxide semiconductors and TFTs

Majumdar, H., Leppäniemi, J., Ojanperä, K., Huttunen, O-H. & Alastalo, A., 2014, Proceedings of the 5th Electronics System-Integration Technology Conference, ESTC 2014. Institute of Electrical and Electronic Engineers IEEE

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

metal oxide semiconductors
ultraviolet radiation
transistors
thin films
temperature

Modelling of printable metal-oxide TFTs for circuit simulation

Alastalo, A., Ojanperä, J. L. K. & Majumdar, H., 2014, Proceedings of the 5th Electronics System-Integration Technology Conference, ESTC 2014. Institute of Electrical and Electronic Engineers IEEE

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Circuit simulation
Printed circuits
Oxides
Flip flop circuits
Digital circuits

Partial carbon footprint estimate for printed electronic circuit

Niininen, M., Siitonen, S., Gooden, P., Leedham, T., Alastalo, A. & Kololuoma, T., 2014.

Research output: Contribution to conferenceConference PosterScientific

7 Citations (Scopus)

Printed low-voltage fuse memory on paper

Leppaniemi, J., Mattila, T., Eiroma, K., Miyakawa, T., Murata, K. & Alastalo, A., 2014, In : IEEE Electron Device Letters. 35, 3, p. 354-356 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Electric fuses
Data storage equipment
Electric potential
Silver
Electromigration

Printed low-voltage programmable write-once-read-many-memories

Leppäniemi, J., Fukuda, N., Alastalo, A., Mattila, T., Eiroma, K. & Kololuoma, T., 2014, Proceedings of the 5th Electronics System-Integration Technology Conference, ESTC 2014. Institute of Electrical and Electronic Engineers IEEE

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Electric fuses
Data storage equipment
Electric potential
Offset printing
Linewidth
26 Citations (Scopus)

Rapid low-temperature processing of metal-oxide thin film transistors with combined far ultraviolet and thermal annealing

Leppäniemi, J., Ojanperä, K., Kololuoma, T., Huttunen, O-H., Dahl, J., Tuominen, M., Laukkanen, P., Majumdar, H. & Alastalo, A., 2014, In : Applied Physics Letters. 105, 11, 113514.

Research output: Contribution to journalArticleScientificpeer-review

metal oxides
transistors
indium oxides
annealing
thin films

Roll-to-roll printed flexible Sensors

Hast, J., Alastalo, A., Jansson, E., Kemppainen, A., Kololuoma, T., Tuomikoski, M. & Kopola, H., 2014, IMAPS Nordic Annual Conference 2014. IMAPS Nordic

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2013
24 Citations (Scopus)

Roll-to-Roll manufacturing of printed OLEDs

Hast, J., Tuomikoski, M., Suhonen, R., Väisänen, K-L., Välimäki, M., Maaninen, T., Apilo, P., Alastalo, A. & Maaninen, A., 2013, In : SID International Symposium: Digest of Technical Papers. 44, 1, p. 192-195 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Organic light emitting diodes (OLED)
Lighting
Display devices
Printing
Electronic equipment
2012

Flexible bio-based pigment nanocellulose substrate for printed electronics

Torvinen, K., Sievänen, J., Mattila, T., Alastalo, A. & Hellen, E., 2012.

Research output: Contribution to conferenceConference articleScientific

Pigments
Electronic equipment
Substrates
Plastics
Dimensional stability
18 Citations (Scopus)

Roll-to-roll printed resistive WORM memory on a flexible substrate

Leppäniemi, J., Mattila, T., Kololuoma, T., Suhonen, M. & Alastalo, A., 2012, In : Nanotechnology. 23, 30

Research output: Contribution to journalArticleScientificpeer-review

Data storage equipment
Substrates
Silver
Ink
Nanoparticles
2 Citations (Scopus)

Water-based carbon-coated copper nanoparticle fluid: Formation of conductive layers at low temperature by spin coating and inkjet deposition

Eiroma, K., Forsman, J., Hult, E-L., Auvinen, A., Sipiläinen-Malm, T., Alastalo, A., Tapper, U., Leppäniemi, J., Mattila, P., Lyyränen, J., Sarlin, J., Jokiniemi, J. & Mössmer, S., 2012, In : Journal of Imaging Science and Technology. 56, 4, 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Spin coating
coating
Copper
Carbon
copper chlorides
2011
48 Citations (Scopus)

Contactless electrical sintering of silver nanoparticles on flexible substrates

Allen, M., Alastalo, A., Suhonen, M., Mattila, T., Leppäniemi, J. & Seppä, H., 2011, In : IEEE Transactions on Microwave Theory and Techniques. 59, 5, p. 1419-1429 11 p.

Research output: Contribution to journalArticleScientificpeer-review

sintering
Silver
Sintering
silver
Nanoparticles
7 Citations (Scopus)

Contactless read-out of printed memory

Allen, M., Aronniemi, M., Mattila, T., Helistö, P., Sipola, H., Rautiainen, A., Leppäniemi, J., Alastalo, A., Korhonen, R. & Seppä, H., 2011, In : Microelectronic Engineering. 88, 9, p. 2941-2945 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Data storage equipment
low resistance
fuses
printed circuits
high resistance
25 Citations (Scopus)

Printed WORM memory on a flexible substrate based on rapid electrical sintering of nanoparticles

Leppäniemi, J., Aronniemi, M., Mattila, T., Alastalo, A., Allen, M. & Seppä, H., 2011, In : IEEE Transactions on Electron Devices. 58, 1, p. 151-159 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Sintering
Nanoparticles
Data storage equipment
Substrates
Silver
8 Citations (Scopus)

Synthesis of cobalt nanoparticles to enhance magnetic permeability of metal-polymer composites

Koskela, P., Teirikangas, M., Alastalo, A., Forsman, J., Juuti, J., Tapper, U., Auvinen, A., Seppä, H., Jantunen, H. & Jokiniemi, J., 2011, In : Advanced Powder Technology. 22, 5, p. 649-656 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Magnetic permeability
Cobalt
Polymers
Metals
Nanoparticles
2010
3 Citations (Scopus)

A process for SOI resonators with surface micromachined covers and reduced electrostatic gaps

Dekker, J. R., Alastalo, A. & Kattelus, H., 2010, In : Journal of Micromechanics and Microengineering. 20, 4, 045003.

Research output: Contribution to journalArticleScientificpeer-review

Silicon
Resonators
Electrostatics
Membranes
Oxides

Electrical Sintering of Conductor Grids for Optoelectronic Devices

Allen, M., Suhonen, M., Leppäniemi, J., Alastalo, A., Mattila, T., Kemppainen, A. & Seppä, H., 2010, Proceedings of LOPE-C 2010.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Optoelectronic devices
Sintering
Printing
Substrates
Ovens

Low-temperature solution-processed ZnO transistors

Ojanperä, K., Raappana, J., Alastalo, A., Leppäniemi, J., Kololuoma, T., Mattila, T., Munter, T. & Tappura, K., 2010, International Conference and Exhibition for the Organic and Printed Electronics Industry, 2010. p. 206-208

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

transistors
casts
threshold voltage
capacitors
depletion
8 Citations (Scopus)

Modelling of nanoparticle sintering under electrical boundary conditions

Alastalo, A. T., Seppä, H., Leppäniemi, J. H., Aronniemi, M. J., Allen, M. L. & Mattila, T., 2010, In : Journal of Physics D: Applied Physics. 43, 48, 485501.

Research output: Contribution to journalArticleScientificpeer-review

sintering
Sintering
Boundary conditions
boundary conditions
Nanoparticles

Printable WORM and FRAM memories and their applications

Alastalo, A., Mattila, T., Leppäniemi, J., Suhonen, M., Kololuoma, T., Schaller, A., Andersson, H., Manuilskiy, A., Gao, J., Nilsson, H-E., Rusu, A., Ayöz, S., Stolichnov, I., Siitonen, S., Gulliksson, M., Sidén, J., Lehnert, T., Adam, J., Veith, M., Merkulov, A. & 4 others, Damaschek, Y., Steiger, J., Cederberg, M. & Konecny, M., 2010, Proceedings of LOPE-C 2010: International Conference and Exhibition for the Organic and Printed Electronics Industry, LOPE-C, Large-Area, Organic & Printed Electronics Convention. p. 8-12

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Ferroelectric materials
Data storage equipment
Silver
Sintering
Nanoparticles
35 Citations (Scopus)

Substrate-facilitated nanoparticle sintering and component interconnection procedure

Allen, M., Leppäniemi, J., Vilkman, M., Alastalo, A. & Mattila, T., 2010, In : Nanotechnology. 21, 47

Research output: Contribution to journalArticleScientificpeer-review

Silver
Sintering
Nanoparticles
Printing
Substrates
14 Citations (Scopus)

Wireless ferroelectric resonating sensor

Viikari, V., Seppä, H., Mattila, T. & Alastalo, A., 2010, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 57, 4, p. 785-791 7 p.

Research output: Contribution to journalArticleScientificpeer-review

2009

Large area printed smart systems: From components to systems

Kemppainen, A., Kopola, H., Korhonen, R., Alastalo, A., Maaninen, A., Tuomikoski, M., Hast, J. & Laakso, P., 2009.

Research output: Contribution to conferenceConference articleScientific

Microelectronics
Electronic equipment
Systems analysis
Display devices
Antennas
12 Citations (Scopus)

Technical solutions for automotive intermodulation radar for detecting vulnerable road users

Viikari, V., Kantanen, M., Varpula, T., Lamminen, A., Alastalo, A., Mattila, T., Seppä, H., Pursula, P., Saebboe, J., Cheng, S., Al-Nuaimi, M., Hallbjörner, P. & Rydberg, A., 2009, 2009 IEEE 69th Vehicular Technology Conference. Barcelona, Spain, 26-29 April 2009. Institute of Electrical and Electronic Engineers IEEE

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
Intermodulation
Radar
Modulation
Antennas
2008
1 Citation (Scopus)

Corrigendum to "GHz-range FSK-reception with microelectromechanical resonators" [Sens. Actuators A 142 (2007) 346-351]

Koskenvuori, M., Tittonen, I. & Alastalo, A., 2008, In : Sensors and Actuators A: Physical. 147, 1, p. 358

Research output: Contribution to journalOther journal contributionScientific

226 Citations (Scopus)

Electrical sintering of nanoparticle structures

Allen, M. L., Aronniemi, M., Mattila, T., Alastalo, A., Ojanperä, K., Suhonen, M. & Seppä, H., 2008, In : Nanotechnology. 19, 17, 4 p., 175201.

Research output: Contribution to journalArticleScientificpeer-review

Sintering
Nanoparticles
Process monitoring
Electric potential
Ovens

Erratum: Improvement of the conversion performance of a resonating multimode microelectromechanical mixer-filter through parametric amplification

Koskenvuori, M., Tittonen, I. & Alastalo, A., 2008, In : IEEE Electron Device Letters. 29, 8

Research output: Contribution to journalOther journal contributionScientific

7 Citations (Scopus)

Piezoelectrically actuated micromechanical BAW resonators

Rosenberg, P., Jaakkola, A., Dekker, J., Nurmela, A., Pensala, A., Asmala, S., Riekkinen, T., Mattila, T. & Alastalo, A., 2008, Proceedings - IEEE Ultrasonics Symposium. Institute of Electrical and Electronic Engineers IEEE, p. 2181-2184 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

29 Citations (Scopus)

Piezoelectrically transduced single-crystal-silicon plate resonators

Jaakkola, A., Rosenberg, P., Asmala, S., Nurmela, A., Pensala, T., Riekkinen, T., Dekker, J., Mattila, T., Alastalo, A., Holmgren, O. & Kokkonen, K., 2008, Proceedings - IEEE Ultrasonics Symposium. Institute of Electrical and Electronic Engineers IEEE, p. 717-720 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

R2R Electrical Sintering of Nanoparticle Structures

Allen, M., Alastalo, A., Aronniemi, M., Mattila, T., Sääskilahti, K., Suhonen, M. & Seppä, H., 2008, p. 291-296. 6 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

sintering
nanoparticles
printers
inks
electric potential
11 Citations (Scopus)

Rapid electrical sintering of nanoparticle stuctures

Alastalo, A. T., Mattila, T., Allen, M. L., Aronniemi, M. J., Leppäniemi, J. H., Ojanperä, K. A., Suhonen, M. P. & Seppä, H., 2008, Materials Research Society Symposium Proceedings. Vol. 1113. p. F02-07 6 p. (Materials Research Society Symposia Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

sintering
nanoparticles
conductors
silver
conductivity
2007

Electrically readable indicators

Allen, M., Alastalo, A., Varpula, T., Riekkinen, T. & Jussila, S., 2007, Intelligent Products and Systems: Technology theme - Final report. Ventä, O. (ed.). Espoo: VTT Technical Research Centre of Finland, p. 83-95 14 p. (VTT Publications; No. 635).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
printing
oxygen
humidity
thin films
wiring