Kestutis Grigoras

PhD

20122019
If you made any changes in Pure these will be visible here soon.

Research Output 2012 2019

Filter
Article
2019

Microelectrode Array With Transparent ALD TiN Electrodes

Ryynänen, T., Pelkonen, A., Grigoras, K., Ylivaara, O. M. E., Hyvärinen, T., Ahopelto, J., Prunnila, M., Narkilahti, S. & Lekkala, J., 22 Mar 2019, In : Frontiers in Neuroscience. 13, 226.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Microelectrodes
Electrodes
Electric Impedance
Noise
Neurons
2018
2 Citations (Scopus)

Microfabricated sensor platform with through-glass vias for bidirectional 3-omega thermal characterization of solid and liquid samples

Grosse, C., Ras, M. A., Varpula, A., Grigoras, K., May, D., Wunderle, B., Chapuis, P-O., Gomès, S. & Prunnila, M., 1 Aug 2018, In : Sensors and Actuators A: Physical. 278, p. 33-42 10 p.

Research output: Contribution to journalArticleScientificpeer-review

platforms
Glass
glass
sensors
Sensors

Sensors for Thermal Characterization of Solid and Liquid Samples by 3-Omega Method

Grigoras, K., Varpula, A., Grosse, C., May, D., Ras, M. A. & Prunnila, M., 28 Nov 2018, In : Proceedings. 2, 13, 5 p., 883.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Glass
Porous silicon
Sensors
Liquids
Silicon

Silicon Based Nano-Thermoelectric Bolometers for Infrared Detection

Varpula, A., Grigoras, K., Tappura, K., Timofeev, A., Shchepetov, A., Hassel, J., Ahopelto, J. & Prunnila, M., 6 Dec 2018, In : Proceedings. 2, 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
bolometers
photometers
silicon
membranes
costs
2017
9 Citations (Scopus)

Ternary composite Si/TiN/MnO2 taper nanorod array for on-chip supercapacitor

Lu, P., Halvorsen, E., Ohlckers, P., Müller, L., Leopold, S., Hoffmann, M., Grigoras, K., Ahopelto, J., Prunnila, M. & Chen, X., 10 Sep 2017, In : Electrochimica Acta. 248, p. 397-408 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Nanorods
Silicon
Composite materials
Capacitance
Electrodes
13 Citations (Scopus)

Thermoelectric thermal detectors based on ultra-thin heavily doped single-crystal silicon membranes

Varpula, A., Timofeev, A., Shchepetov, A., Grigoras, K., Hassel, J., Ahopelto, J., Ylilammi, M. & Prunnila, M., 26 Jun 2017, In : Applied Physics Letters. 110, 26, 262101.

Research output: Contribution to journalArticleScientificpeer-review

doped crystals
thermocouples
membranes
detectors
single crystals
2016
47 Citations (Scopus)

Conformal titanium nitride in a porous silicon matrix: A nanomaterial for in-chip supercapacitors

Grigoras, K., Keskinen, J., Grönberg, L., Yli-Rantala, E., Laakso, S., Välimäki, H., Kauranen, P., Ahopelto, J. & Prunnila, M., 2016, In : Nano Energy. 26, p. 340-345

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Titanium nitride
Porous silicon
Nanostructured materials
Silicon
Energy storage
24 Citations (Scopus)

Nano fabricated silicon nanorod array with titanium nitride coating for on-chip supercapacitors

Lu, P., Ohlckers, P. A., Müller, L., Leopold, S., Hoffmann, M. J. F., Grigoras, K., Ahopelto, J., Prunnila, M. & Chen, X., 2016, In : Electrochemistry Communications. 70, p. 51-55

Research output: Contribution to journalArticleScientificpeer-review

Titanium nitride
Silicon
Nanorods
Coatings
Electrodes
3 Citations (Scopus)

Porous silicon for energy storage at microscale: Supercapacitors

Grigoras, K., Keskinen, J., Grönberg, L., Ahopelto, J. & Prunnila, M., 1 Jan 2016, In : ECS Transactions. p. 97-104 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Porous silicon
Energy storage
Capacitors
Electrodes
Supercapacitor
2014
15 Citations (Scopus)

Coated porous Si for high performance on-chip supercapacitors

Grigoras, K., Keskinen, J., Grönberg, L., Ahopelto, J. & Prunnila, M., 2014, In : Journal of Physics: Conference Series. 557, Conference 1, 4 p., 012058.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
electrochemical capacitors
chips
electrodes
radiant flux density
atomic layer epitaxy
2013
7 Citations (Scopus)

Aluminum oxide mask fabrication by focused ion beam implantation combined with wet etching

Liu, Z., Iltanen, K., Chekurov, N., Grigoras, K. & Tittonen, I., 2013, In : Nanotechnology. 24, 17, 6 p., 175304.

Research output: Contribution to journalArticleScientificpeer-review

Wet etching
Aluminum Oxide
Focused ion beams
Masks
Silicon
12 Citations (Scopus)

Characterization of thin film adhesion by MEMS shaft-loading blister testing

Berdova, M., Lyytinen, J., Grigoras, K., Baby, A., Kilpi, L., Ronkainen, H., Franssila, S. & Koskinen, J., 2013, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 31, 3, 5 p., 031102.

Research output: Contribution to journalArticleScientificpeer-review

blisters
microelectromechanical systems
MEMS
Copper
adhesion
1 Citation (Scopus)

Nanometer-thick textured ZnO films: Preparation, characterization and interaction with ethanol vapor

Naumenko, D., Snitka, V., Ulcinas, A., Naumenko, I. & Grigoras, K., 2013, In : Theoretical and Experimental Chemistry. 49, 2, p. 96-102 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Film preparation
Surface waves
Ethanol
Vapors
Acoustic waves
4 Citations (Scopus)

Nondestructive inspection of buried channels and cavities in silicon

Kassamakov, I., Grigoras, K., Heikkinen, V., Hanhijärvi, K., Aaltonen, J., Franssila, S. & Haeggstrom, E., 2013, In : Journal of Microelectromechanical Systems. 22, 2, p. 438-442 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Microchannels
Inspection
Silicon
Microfluidics
Interferometry
2012
6 Citations (Scopus)

Single-walled carbon nanotube network field effect transistor as a humidity sensor

Mudimela Prasantha, R., Grigoras, K., Anoshkin, I. V., Varpula, A., Ermolov, V., Anisimov, A. S., Nasibulin, A. G., Novikov, S. & Kauppinen, E. I., 2012, In : Journal of Sensors. 2012, 7 p., 496546.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Humidity sensors
Single-walled carbon nanotubes (SWCN)
Field effect transistors
humidity
field effect transistors
18 Citations (Scopus)

Stroboscopic supercontinuum white-light interferometer for MEMS characterization

Hanhijärvi, H., Kassamakov, I., Heikkinen, V., Aaltonen, J., Sainiemi, L., Grigoras, K., Franssila, S. & Haeggström, E., 2012, In : Optics Letters. 37, 10, p. 1703-1705 3 p.

Research output: Contribution to journalArticleScientificpeer-review

microelectromechanical systems
light emitting diodes
interferometers
oscillations
frequency modulation