Jari Likonen

  • Phone+358505539397
1986 …2020

Research output per year

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2015

Combined ion micro probe and SEM analysis of strongly non uniform deposits in fusion devices

Bykov, I., Bergsåker, H., Petersson, P., Likonen, J., Possnert, G. & Widdowson, A., 1 Jan 2015, In : Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 342, p. 19-28

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Development of laser induced breakdown spectroscopy for studying erosion, deposition, and fuel retention in ASDEX Upgrade

Paris, P., Piip, K., Hakola, A., Laan, M., Aints, M., Koivuranta, S., Likonen, J., Lissovski, A., Mayer, M., Neu, R., Rohde, V., Sugiyama, K. & Team, ASDEX. U., 2015, In : Fusion Engineering and Design. 98-99, p. 1349-1352

Research output: Contribution to journalArticleScientificpeer-review

21 Citations (Scopus)

Erosion of tungsten and steel in the main chamber of ASDEX Upgrade

Hakola, A., Koivuranta, S., Likonen, S., Herrmann, A., Maier, H., Mayer, M., Neu, R., Rohde, V. & Team, ASDEX. U., 2015, In : Journal of Nuclear Materials. 463, p. 162-165

Research output: Contribution to journalArticleScientificpeer-review

Feasibility of arc-discharge and plasma-sputtering methods in cleaning plasma-facing and diagnostics components of fusion reactors

Hakola, A., Likonen, J., Karhunen, J., Korhonen, J. T., Aints, M., Laan, M., Paris, P., Kolehmainen, J., Koskinen, M. & Tervakangas, S., 2015, In : Fusion Engineering and Design. 96-97, p. 101-106

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Fuel retention in JET ITER-Like Wall from post-mortem analysis

Heinola, K., Widdowson, A., Likonen, J., Alves, E., Baron-Wiechec, A., Barradas, N., Brzinsek, S., Catarino, N., Coad, P., Koivuranta, S., Matthews, G. F., Mayer, M., Petersson, P. & Contributors, JET-EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 961-965

Research output: Contribution to journalArticleScientificpeer-review

Global erosion and deposition patterns in JET with the ITER-like wall

Baron-Wiechecc, A., Widdowson, A., Alves, E., Ayres, C. F., Barradas, N. P., Brezinsek, S., Coad, J. P., Catarino, N., Heinola, K., Likonen, J., Matthews, G. F., Mayer, M., Petersson, P., Rubel, M., van Renterghem, W., Uytdenhouwen, I. & Contributors, JET. EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 157-161

Research output: Contribution to journalArticleScientificpeer-review

37 Citations (Scopus)

LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma

Piip, K., De Temmerman, G., van der Meiden, H. J., Lissovski, A., Karhunen, J., Aints, M., Hakola, A., Paris, P., Laan, M., Likonen, J., Jogi, I., Kozlova, J. & Mändar, H., 2015, In : Journal of Nuclear Materials. 463, p. 919-922

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Materials migration in JET with ITER-like wall traced with a 10 Be isotopic marker

Bykov, I., Bergsåker, H., Possnert, G., Heinola, K., Miettunen, J., Groth, M., Petersson, P., Widdowson, A., Likonen, J. & contributors, JET. EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 773-776

Research output: Contribution to journalArticleScientificpeer-review

Measurement of dust conversion factor for the JET carbon divertor phases

Likonen, J., Coad, J. P., Hakola, A., Karhunen, J., Koivuranta, S., Pitts, R., Widdowson, A. M. & contributors, JET., 2015, In : Journal of Nuclear Materials. 463, p. 842-846

Research output: Contribution to journalArticleScientificpeer-review

Microscopically nonuniform deposition and deuterium retention in the divertor in JET with ITER-like wall

Bergsåker, H., Bykov, I., Petersson, P., Possnert, G., Likonen, J., Koivuranta, S., Coad, J. P., van Renterghem, W., Uytdenhouwen, I., Widdowson, A. M. & Contributors, JET. EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 956-960

Research output: Contribution to journalArticleScientificpeer-review

Modelling of the material transport and layer formation in the divertor of JET: Comparison of ITER-like wall with full carbon wall conditions

Kirschner, A., Matveev, D., Borodin, D., Airila, M., Brezinsek, S., Groth, M., Wiesen, S., Widdowson, A., Beal, J., Esser, H. G., Likonen, J., Bekris, N. & Ding, R., 22 Jul 2015, In : Journal of Nuclear Materials. 463, p. 116-122 7 p., 48569.

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Preliminary Monte Carlo simulation of beryllium migration during JET ITER-like wall divertor operation

Airila, M. I., Järvinen, A., Groth, M., Belo, P., Wiesen, S., Brezinsek, S., Lawson, K., Borodin, D., Kirschner, A., Coad, J. P., Heinola, K., Likonen, J., Rubel, M. & Widdowson, A., 22 Jul 2015, In : Journal of Nuclear Materials. 463, p. 800-804 5 p., 48423.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Resonant-like behaviour during edge-localised mode cycles in the Joint European Torus

Webster, A. J., Morris, J., Todd, T. N., Brezinsek, S., Coad, P., Likonen, J., Rubel, M. & Contributors, JET. EFDA., 2015, In : Physics of Plasmas. 22, 8, 082501.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Transient heating effects on tungsten: Ablation of Be layers and enhanced fuzz growth

Yu, J. H., Baldwin, M. J., Doerner, R. P., Dittmar, T., Hakola, A., Höschen, T., Likonen, J., Nishijima, D. & Toudeshki, H. H., 2015, In : Journal of Nuclear Materials. 463, p. 299-302

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Unintentional boron contamination of MBE-grown GaInP/AlGaInP quantum wells

Tukiainen, A., Likonen, J., Toikkanen, L. & Leinonen, T., 28 Jul 2015, In : Journal of Crystal Growth. 425, p. 60-63 4 p.

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)
2014

An overview of the comprehensive First Mirror Test in JET with ITER-like wall

Ivanova, D., Rubel, M., Widdowson, A., Petersson, P., Likonen, J., Marot, L., Alves, E., Garcia-Carrasco, A., Pintsuk, G. & Contributors, JET-EFDA., 2014, In : Physica Scripta. T159, 014011.

Research output: Contribution to journalArticleScientificpeer-review

40 Citations (Scopus)

Comparison of tritium measurement techniques for a laser cleaned JET tile

Stan-Sion, C., Enachescu, M., Petre, A. R., Duma, M., Ghita, D. G., Kizane, G., Baumane, L., Gabrusenoks, J., Halitovs, M., Avotina, L., Zarins, A., Likonen, J., Koivuranta, S., Kiisk, M. & Contributors, JET-EFDA., 2014, In : Fusion Engineering and Design. 89, 11, p. 2628-2634 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Development of laser-induced breakdown spectroscopy for analyzing deposited layers in ITER

Karhunen, J., Hakola, A., Likonen, J., Lissovski, A., Paris, P., Laan, M., Piip, K., Porosnicu, C., Lungu, C. P. & Sugiyama, K., 2014, In : Physica Scripta. T159, 4 p., 014067.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

First results and surface analysis strategy for plasma-facing components after JET operation with the ITER-like wall

Likonen, J., Alves, E., Baron-Wiechec, A., Brezinsek, S., Coad, J. P., Hakola, A., Heinola, K., Koivuranta, S., Matthews, G. F., Petersson, P., Rubel, M., Stan-Sion, C., Widdowson, A. & Contributors, JET-EFDA., 2014, In : Physica Scripta. T159, 5 p., 014016.

Research output: Contribution to journalArticleScientificpeer-review

23 Citations (Scopus)

First results from the 10Be marker experiment in JET with ITER-like wall

Bergsåker, H., Possnert, G., Bykov, I., Heinola, K., Petersson, P., Miettunen, J., Widdowson, A., Riccardo, V., Nunes, I., Stamp, M., Brezinsek, S., Groth, M., Kurki-Suonio, T., Likonen, J., Coad, J. P., Borodin, D., Kirschner, A., Schmid, K., Krieger, K. & Contributors, JEF. EFDA., 2014, In : Nuclear Fusion. 54, 8, 4 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Influence of He/D2 plasma fluxes on the morphology and crystallinity of tungsten coatings

Piip, K., Paris, P., Hakola, A., Bstrov, K., de Temmerman, G., Aints, M., Jõgi, I., Kozlova, J., Laan, M., Likonen, J., Lissovski, A. & Mändar, H., 2014, In : Physica Scripta. 89, 4, 4.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Laser-assisted cleaning of beryllium-containing mirror samples from JET and PISCES-B

Wisse, M., Marot, L., Widdowson, A., Rubel, M., Ivanova, D., Petersson, P., Doerner, R. P., Baldwin, M. J., Likonen, J., Alves, E., Hakola, A., Koivuranta, S., Steiner, R. & Meyer, E., 2014, In : Fusion Engineering and Design. 89, 2, p. 122-130 8 p.

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)

Long-term erosion of plasma-facing materials with different surface roughness in ASDEX Upgrade

Hakola, A., Karhunen, J., Koivuranta, S., Likonen, J., Balden, M., Herrmann, A., Mayer, M., Müller, H. W., Neu, R., Rohde, V., Sugiyama, K. & ASDEX Upgrade Team, 2014, In : Physica Scripta. T159, 5 p., 014027.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Material migration patterns and overview of first surface analysis of the JET ITER-like wall

A Widdowson, A., Alves, E., Ayres, C. F., Baron-Wiechec, A., Brezinsek, S., Catarino, N., Coad, J. P., Heinola, K., Likonen, J., Matthews, G. F., Rubel, M. & contributors, JET-EFDA., 2014, In : Physica Scripta. 2014, T159, 9 p., 014010.

Research output: Contribution to journalArticleScientificpeer-review

57 Citations (Scopus)

Microstructure and inhomogeneous fuel trapping at divertor surfaces in the JET tokamak

Bergsåker, H., Bykov, I., Petersson, P., Possnert, G., Likonen, J., Koivuranta, S., Coad, J. P. & Widdowson, A. M., 2014, In : Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 332, August, p. 266-270

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Post-mortem measurements of fuel retention at JET

Koivuranta, S., Likonen, J., Hakola, A., Coad, J. P., Widdowson, A., Hole, D. E., Rubel, M. & contributors, JET-EFDA., 2014, In : Physica Scripta. T159, 4 p., 014052.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Quantitative plasma-fuel and impurity profiling in thick plasma-deposited layers by means of micro ion beam analysis and SIMS

Bykov, I., Bergsåker, H., Petersson, P., Likonen, J. & Possnert, G., 2014, In : Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 332, p. 280-285 5 p.

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Surface analysis of tiles and samples exposed to the first JET campaigns with the ITER-like wall

Coad, J. P., Alves, E., Barradas, N. P., Baron-Wiechec, A., Catarino, N., Heinola, K., Likonen, J., Mayer, M., Matthews, G. F., Petersson, P., Widdowson, A. & Contributors, JET-EFDA., 2014, In : Physica Scripta. T159, 5 p.

Research output: Contribution to journalArticleScientificpeer-review

39 Citations (Scopus)

The JET technology program in support of ITER

Batistoni, P., Likonen, J., Bekris, N., Brezinsek, S., Coad, P., Horton, L., Matthews, G., Rubel, M., Sips, G., Syme, B. & Widdowson, A., 2014, In : Fusion Engineering and Design. 89, 7-8, p. 896-900 4 p.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Tile profiling analysis of samples from the JET ITER-like wall and carbon wall

Heinola, K., Ayres, C. F., Baron-Wiechec, A., Coad, J. P., Likonen, J., Matthews, G. F., Widdowson, A. & Contributors, JET-EFDA., 2014, In : Physica Scripta. T159, 5 p., 014013.

Research output: Contribution to journalArticleScientificpeer-review

21 Citations (Scopus)

Time-resonant tokamak plasma edge instabilities?

Webster, A. J., Dendy, R. O., Calderon, F. A., Chapman, S. C., Delabie, E., Dodt, D., Felton, R., Todd, T. N., Maviglia, F., Morris, J., Riccardo, V., Alper, B., Brezinsek, S., Coad, P., Likonen, J., Rubel, M. & Contributors, JET. EFDA., 2014, In : Plasma Physics and Controlled Fusion. 56, 7, 6 p.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)
2013

Assessment of cleaning methods for first mirrors tested in JET for ITER

JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S1241-S1244 4 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Comparison of JET main chamber erosion with dust collected in the divertor

Widdowson, A., Ayres, C. F., Booth, S., Coad, P., Hakola, A., Heinola, K., Ivanova, D., Koivuranta, S., Likonen, J., Mayer, M., Stamp, M. & JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S827-S832 6 p.

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Deuterium inventory in Tore Supra: Coupled carbon-deuterium balance

Pegourie, B., Panyotis, S., Languille, P., Martin, C., Dittmar, T., Gauthier, E., Hatchressian, J-C., Pascal, J-Y., Roubin, P., Ruffe, R., Tsitrone, E., Vartanian, S., Wang, H., Beaute, A., Bouvet, J., Brosset, C., Bucalossi, J., Cabie, M., Caprin, E., Courtois, X. & 34 others, Dachicourt, R., Delhambre, E., Dominici, C., Douai, D., Ekedahl, A., Gunn, J. P., Hakola, A., Jocob, W., Khodja, H., Likonen, J., Linez, F., Litnovsky, A., Marandet, Y., Markelj, S., Martinez, A., Mayer, M., Meyer, O., Monier-Garbet, P., Moreau, P., Negrier, V., Oddon, P., Pardanaud, C., Pasquet, B., Pelicon, P., Petersson, P., Philipps, V., Possnert, G., Reiter, D., Roth, J., Roure, I., Rubel, M., Saint-Laurent, F., Samaille, F. & Vavpetič, P., 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S120-S125 6 p.

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)

Development of ITER relevant laser techniques for deposited layer characterisation and tritium inventory

Malaquias, A., Philipps, V., Huber, A., Hakola, A., Likonen, J., Kolehmainen, J., Tervakangas, S., Aints, M., Paris, P., Laan, M., Lissovski, A., Almaviva, S., Caneve, L., Colao, F., Maddaluno, G., Kubkowska, M., Gasior, P., van der Meiden, H. J., Lof, A. R., Zeijlmans van Emmichoven, P. A. & 4 others, Petersson, P., Rubel, M., Fortuna, E. & Xiao, Q., 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S936-S939 4 p.

Research output: Contribution to journalArticleScientificpeer-review

25 Citations (Scopus)

Erosion and deposition on JET divertor and limiter tiles during the experimental campaigns 2005-2009

Krat, S., Coad, J. P., Gasparyan, Y., Hakola, A., Likonen, J., Mayer, M., Pisarev, A., Widdowson, A. & JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S742-S745 4 p.

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Erosion at the inner wall of JET during the discharge campaigns 2001-2009

Mayer, M., Krat, S., Coad, J. P., Hakola, A., Likonen, J., Lindig, S., Widdowson, A. & JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S780-S783 4 p.

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Erosion of marker coatings exposed to Pilot-PSI plasma

Paris, P., Hakola, A., Bystrov, K., De Temmerman, G., Aints, M., Jõgi, I., Kiisk, M., Kozlova, J., Laan, M., Likonen, J. & Lissovski, A., 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S754-S757 4 p.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Fusion technology activities at JET in support of the ITER program

JET-EFDA collaborators, 2013, In : Fusion Engineering and Design. 88, 6-8, p. 733-737 4 p.

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Global migration of 13C impurities in high-density L-mode plasmas in ASDEX Upgrade

Hakola, A., Koivuranta, S., Likonen, J., Groth, M., Kurki-Suonio, T., Lindholm, V., Miettunen, J., Krieger, K., Mayer, M., Müller, H. W., Neu, R., Rohde, V., Petersson, P. & ASDEX Upgrade Team, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S694-S697 4 p.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Global migration of impurities in tokamaks

Hakola, A., Airila, M., Björkas, C., Borodin, D., Brezinsek, S., Coad, P., Groth, M., Järvinen, A., Kirschner, A., Koivuranta, S., Krieger, K., Kurki-Suonio, T., Likonen, J., Lindholm, V., Makkonen, T., Mayer, M., Miettunen, J., Müller, H. W., Neu, R., Petersson, P. & 3 others, Rohde, V., Rubel, M. & Widdowson, A., 2013, In : Plasma Physics and Controlled Fusion. 55, 12, 124029.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Injection of nitrogen-15 tracer into ASDEX-Upgrade: New technique in material migration studies

Petersson, P., Hakola, A., Likonen, J., Mayer, M., Miettunen, J., Neu, R., Rohde, V., Rubel, M. & ASDEX Upgrade Team, 2013, In : Journal of Nuclear Materials. 438, p. S616-S619 3 p.

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Local deposition of 13C tracer in the JET MKII-HD divertor

Likonen, J., Airila, M., Coad, P., Hakola, A., Koivuranta, S., Ahonen, E., Alves, E., Barradas, N., Widdowson, A., Rubel, M., Brezinsek, S., Groth, M. A. & JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S762-S765 4 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Microanalysis of deposited layers in the divertor of JET following operations with carbon wall

JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S668-S672 5 p.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Overview of erosion-deposition diagnostic tools for the ITER-Like Wall in the JET tokamak

JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S1204-S1207 4 p.

Research output: Contribution to journalArticleScientificpeer-review

36 Citations (Scopus)

Performances of Rh and Mo mirrors under JET exposure

Marot, L., Meyer, E., Rubel, M., Ivanova, D., Widdowson, A., Coad, J. P., Likonen, J., Hakola, A., Koivuranta, S., De Temmerman, G. & JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S1187-S1191 5 p.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Post-mortem measurements of fuel retention at JET in 2007-2009 experimental campaign

Koivuranta, S., Likonen, J., Hakola, A., Coad, P., Widdowson, A., Hole, D. E., Rubel, M. & JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S735-S737 3 p.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Predictive ASCOT modelling of 10Be transport in JET with the ITER-like wall

JET-EFDA collaborators, 2013, In : Journal of Nuclear Materials. 438, Supplement, p. S612-S615 4 p.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
2012

Pulsed laser deposition using diffractively shaped excimer-laser beams

Kekkonen, V., Hakola, A., Likonen, J., Ge, Y. & Kajava, T., 2012, In : Applied Physics A: Materials Science and Processing. 108, 2, p. 423-430 8 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

The effect of non-axisymmetric wall geometry on 13C transport in ASDEX Upgrade: Letter

Miettunen, J., Kurki-Suonio, T., Makkonen, T., Groth, M., Hakola, A., Hirvijoki, E., Krieger, K., Likonen, J., Äkäslompolo, S. & ASDEX Upgrade Team, 2012, In : Nuclear Fusion. 52, 3, 6 p., 032001.

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)