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Research Output 1998 2019

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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
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
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
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
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
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
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
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
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
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

2008
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
2007
4 Citations (Scopus)

Variable antenna load for transmitter efficiency improvement

Kaajakari, V., Alastalo, A., Jaakkola, K. & Seppä, H., 2007, In : IEEE Transactions on Microwave Theory and Techniques. 55, 8, p. 1666-1671 6 p.

Research output: Contribution to journalArticleScientificpeer-review

transmitters
Transmitters
antennas
Antennas
impedance
2006
23 Citations (Scopus)

Electrostatic transducers for micromechanical resonators: Free space and solid dielectric

Kaajakari, V., Alastalo, A. T. & Mattila, T., 2006, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 53, 12, p. 2484-2489 6 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Microelectromechanical delay lines with slow signal propagation

Alastalo, A. T., Kiihamäki, J. & Seppä, H., 4 Aug 2006, In : Journal of Micromechanics and Microengineering. 16, 9, p. 1854-1860

Research output: Contribution to journalArticleScientificpeer-review

Electric delay lines
Resonators
5 Citations (Scopus)

Systematic design approach for capacitively coupled microelectromechanical filters

Alastalo, A. T. & Kaajakari, V., 2006, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 53, 9, p. 1662-1670 9 p.

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Third-order intermodulation in microelectromechanical filters coupled with capacitive transducers

Alastalo, A. T. & Kaajakari, V., 2006, In : Journal of Microelectromechanical Systems. 15, 1, p. 141-148 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2005
18 Citations (Scopus)

Intermodulation in capacitively coupled microelectromechanical filters

Alastalo, A. T. & Kaajakari, V., 2005, In : IEEE Electron Device Letters. 26, 5, p. 289-291 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Intermodulation
Communication
2003
8 Citations (Scopus)

Analysis of a MEMS transmission line

Alastalo, A. T., Mattila, T. & Seppä, H., 2003, In : IEEE Transactions on Microwave Theory and Techniques. 51, 8, p. 1977-1981 5 p.

Research output: Contribution to journalArticleScientificpeer-review

transmission lines
microelectromechanical systems
MEMS
Electric lines
acoustics

MEMS-radio yhdelle piisulle

Translated title of the contribution: MEMS based Radio-on-ChipOja, A., Alastalo, A., Knuuttila, J., Räisänen, A. V., Tittonen, I., Kallio, A. & Salomaa, M. M., 2003, In : Prosessori. Marraskuu, p. 54-55

Research output: Contribution to journalArticleProfessional

35 Citations (Scopus)

Smart-antenna operation for indoor wireless local-area networks using OFDM

Alastalo, A. & Kahola, M., 2003, In : IEEE Transactions on Wireless Communications. 2, 2, p. 392-399

Research output: Contribution to journalArticleScientificpeer-review

Smart Antennas
Space division multiple access
Smart antennas
Wireless Local Area Network (WLAN)
Wireless local area networks (WLAN)