Kestutis Grigoras

PhD

20122019
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Research Output 2012 2019

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Conference article in proceedings
2019

Silicon Membranes for Nanophononics

Varpula, A., Shchepetov, A., Grigoras, K., Hassel, J., Prunnila, M. & Ahopelto, J., 24 Jan 2019, 18th International Conference on Nanotechnology, NANO 2018. IEEE Institute of Electrical and Electronic Engineers , 2 p. 8626348. (Proceedings of the IEEE Conference on Nanotechnology).

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

Silicon
membranes
Detectors
Membranes
Phonon scattering
2018

Rapid Thermal Characterization of Materials with Ultra-High Resolution of Droplet Size Specimens using the Three-Omega Method

Grosse, C., Ras, M. A., Grigoras, K., May, D., Varpula, A., Elabshihy, K., Wunderle, B. & Prunnila, M., 24 Jul 2018, Proceedings of the 17th InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITherm 2018. IEEE Institute of Electrical and Electronic Engineers , p. 562-566 5 p. 8419617

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

Thermal conductivity
Ointments
Hot Temperature
Atomic layer deposition
Thermal diffusivity

Thermal characterization of thermal interface materials using the three-omega method

Grosse, C., Ras, M. A., Varpula, A., Grigoras, K., May, D., Prunnila, M. & Wunderle, B., 2018, 2018 7th Electronic System-Integration Technology Conference (ESTC). IEEE Institute of Electrical and Electronic Engineers , 8546370

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

thermal conductivity
fillers
2017

Development, design and fabrication of a measurement chip for thermal material characterization based on the 3-omega method

Grosse, C., Ras, M. A., Varpula, A., Grigoras, K., May, D., Prunnila, M., Wunderle, B. & Gomès, S., 21 Dec 2017, THERMINIC 2017 - 23rd International Workshop on Thermal Investigations of ICs and Systems. IEEE Institute of Electrical and Electronic Engineers , p. 1-5 5 p.

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

Material Characterization
Fabrication
Chip
Thermodynamic properties
Thermal Properties

Integrated TiN coated porous silicon supercapacitor with large capacitance per foot print

Grigoras, K., Grönberg, L., Ahopelto, J. & Prunnila, M., 1 Jan 2017, Smart Sensors, Actuators, and MEMS VIII. Prunnila, M., Fonseca, L. & Peiner, E. (eds.). International Society for Optics and Photonics SPIE, (Proceedings of SPIE, Vol. 10246).

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

Porous Silicon
Porous silicon
electrochemical capacitors
Capacitance
porous silicon

Silicon grass based nano functional electrodes for MEMS supercapacitors of improved energy density

Lu, P., Du, K., Ohlckers, P., Halvorsen, E., Müller, L., Leopold, S., Hoffmann, M., Grigoras, K., Ahopelto, J., Prunnila, M. & Chen, X., 26 Jul 2017, 2017 19th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS). IEEE Institute of Electrical and Electronic Engineers , p. 1828-1831 4 p. 7994425

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

grasses
electrochemical capacitors
Silicon
microelectromechanical systems
MEMS

Thermoelectric bolometers based on silicon membranes

Varpula, A., Timofeev, A. V., Shchepetov, A., Grigoras, K., Ahopelto, J. & Prunnila, M., 1 Jan 2017, Smart Sensors, Actuators, and MEMS VIII. Prunnila, M., Fonseca, L. & Peiner, E. (eds.). International Society for Optics and Photonics SPIE, Vol. 10246. 102460L. (Proceedings of SPIE, Vol. 10246).

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

Bolometer
Bolometers
bolometers
Silicon
Membrane
2014
2 Citations (Scopus)

Porous silicon electrodes for high performance integrated supercapacitors

Grigoras, K., Keskinen, J., Ahopelto, J. & Prunnila, M., 2014, Proceedings of the 5th Electronics System-integration Technology Conference, ESTC 2014. IEEE Institute of Electrical and Electronic Engineers , 3 p.

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

electrochemical capacitors
porous silicon
electrodes
atomic layer epitaxy
high aspect ratio
2012

Non-destructive 3D measurement of microchannels

Heikkinen, V., Nolvi, A., Kassamakov, I., Grigoras, K., Franssila, S. & Hæggström, E., 2012, Proceedings of SPIE 8466: Instrumentation, Metrology, and Standards for Nanomanufacturing, Optics, and Semiconductors VI. Postek, M. T. (ed.). International Society for Optics and Photonics SPIE, 84660R. (Proceedings of SPIE, Vol. 8466).

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

microchannels
interferometers
wafers
scanning
glass
2 Citations (Scopus)

Nondestructive static and dynamic MEMS characterization using supercontinuum scanning white light interferometry

Heikkinen, V., Hanhijärvi, K., Aaltonen, J., Grigoras, K., Kassamakov, I., Franssilad, S. & Hæggströma, E., 2012, Proceedings of SPIE 8250 : Reliability, Packaging, Testing, and Characterization of MEMS/MOEMS and Nanodevices X. International Society for Optics and Photonics SPIE, 825008. (Proceedings of SPIE, Vol. 8250).

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

microelectromechanical systems
interferometry
scanning
light sources
halogens