Jari Likonen

  • Phone+358505539397
1986 …2020

Research output per year

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Research Output

2016

Long-term fuel retention in JET ITER-like wall

Heinola, K., Widdowson, A., Likonen, J., Alves, E., Baron-Wiechec, A., Barradas, N., Brezinsek, S., Catarino, N., Coad, P., Koivuranta, S., Krat, S., Matthews, G. F., Mayer, M., Petersson, P. & Contributors, J., 25 Jan 2016, In : Physica Scripta. 2016, T167, 7 p., 014075.

Research output: Contribution to journalArticleScientificpeer-review

40 Citations (Scopus)

Plasma cleaning of beryllium coated mirrors

Moser, L., Marot, L., Steiner, R., Newman, M., Widdowson, A., Ivanova, D., Likonen, J., Petersson, P., Pintsuk, G., Rubel, M., Meyer, E. & Contributors, JET., 2016, In : Physica Scripta. 2016, T167, 6 p.

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Studies of Be migration in the JET tokamak using AMS with 10Be marker

Bykov, I., Bergsåker, H., Possnert, G., Zhou, Y., Heinola, K., Pettersson, J., Conroy, S., Likonen, J., Petersson, P. & Widdowson, A., 15 Mar 2016, In : Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 371, p. 370-375 6 p.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Tritium distributions on tungsten and carbon tiles used in the JET divertor

Hatano, Y., Yumizuru, K., Likonen, J., Koivuranta, S. & Ikonen, J., 2016, In : Physica Scripta. 2016, T167, 5 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Tritium retention measurements by accelerator mass spectrometry and full combustion of W-coated and uncoated CFC tiles from the JET divertor

Stan-Sion, C., Bekris, N., Kizane, G., Enachescu, M., Likonen, J., Halitovs, M., Petre, A. & contributors, JET., 2016, In : Nuclear Fusion. 56, 4

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)
2015

2D tritium distribution on tungsten tiles used in JET ITER-like wall project

Hatano, Y., Widdowson, A., Bekris, N., Ayres, C., Baron-Wiechec, A., Likonen, J., Koivuranta, S., Ikonen, J., Yumizuru, K. & contributors, JET-EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 966-969

Research output: Contribution to journalArticleScientificpeer-review

Applicability of LIBS for in situ monitoring of deposition and retention on the ITER-like wall of JET: Comparison to SIMS

Karhunen, J., Hakola, A., Likonen, J., Lissovski, A., Laan, M., Paris, P. & Contributors, JET. EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 931-935

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)

Beryllium migration in JET ITER-like wall plasmas

Brezinsek, S., Widdowson, A., Mayer, M., Philipps, V., Baron-Wiechec, P., Coenen, J. W., Heinola, K., Huber, A., Likonen, J., Petersson, P., Rubel, M., Stamp, M. F., Borodin, D., Coad, J. P., Carrasco, A. G., Kirschner, A., Krat, S., Krieger, K., Lipschultz, B., Linsmeier, C. & 3 others, Matthews, G. F., Schmid, K. & contributors, JET., 2015, In : Nuclear Fusion. 55, 6, 10 p., 063021.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Co-deposited layers in the divertor region of JET-ILW

Petersson, P., Rubel, M., Esser, H. G., Likonen, J., Koivuranta, S., Widdowson, A. & Contributores, JET-EFDA., 2015, In : Journal of Nuclear Materials. 463, p. 814-817

Research output: Contribution to journalArticleScientificpeer-review

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

2D tritium distribution on tungsten and beryllium tiles used in JET ITER-like wall project

Hatano, Y., Widdowson, A., Bekris, N., Ayres, C., Baron-Wiechec, A., Likonen, J., Koivuranta, S., Ikonen, J. & Contributores, JET. EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

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)

Beryllium migration during JET ITER-LikeWall divertor operation

Airila, M., Borodin, D., Järvinen, A., Groth, M., Harting, D., Wiesen, S., Kirschner, A., Brezinsek, S., Lawson, K., Lasa, A., Coad, J. P., Heinola, K., Likonen, J., Rubel, M., Widdowson, A. & Contributors, JET. EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

Changes in tungsten coatings morphology and chrystallinity caused by Magnum PSI ELM-like regime

Piip, K., De Temmerman, G., Lissovski, A., Karhunen, J., van der Meiden, H., Paris, P., Laan, M., Jogi, I., Aints, M., Hakola, A., Likonen, J., Kozlova, J., Mändar, H. & team, M. PSI., 2014.

Research output: Contribution to conferenceConference PosterScientific

Co-deposited layers in the divertor region of JET-ILW

Petersson, P., Bergsåker, H., Bykov, I., Possnert, G., Likonen, J., Linke, J., Koivuranta, S., Widdowson, A., Esser, H. G., Rubel, M. & Contributors, JET-EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

117 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

Deposition and retention analysis of the ITER-like wall of JET by laser-induced breakdown spectroscopy

Karhunen, J., Hakola, A., Likonen, J., Lissovski, A., Laan, M., Paris, P. & Contributors, JET. EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

Development of arc-discharge and plasma-sputtering methods for cleaning plasma-facing 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., 2014, 28th Symposium on Fusion Technology: Book of Abstracts. CIEMAT, O3B.3

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

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)

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

Hakola, A., Koivuranta, S., Likonen, J., Herrmann, A., Maier, H., Mayer, M., Neu, R., Rohde, V. & Team, ASDEX. U., 2014.

Research output: Contribution to conferenceConference PosterScientific

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)

Fuel Retention in JET ITER-Like Wall from Post-Mortem Analysis

Heinola, K., Widdowson, A., Likonen, J., Alves, E., Baron-Wiechec, A., Brezinsek, S., Catarino, N., Coad, P., Hakola, A., Koivuranta, S., Matthews, G. F., Mayer, M., Peterson, P. & Contributors, JET-EFDA., 2014, Book of abstracts. National Institute for Fusion Science, O10

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

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

Bykov, I., Bergsåker, H., Possnert, G., Heinola, K., Miettunen, J., Groth, M., Likonen, J., Petersson, P., Widdowson, A. & Contributors, JET-EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

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)

Measurement of dust conversion factor for the JET carbon divertor phases

Likonen, J., Coad, J. P., Koivuranta, S., Pitts, R. A., Widdowson, A. M. & Contributors, JET. EFDA., 2014, p. P3-023.

Research output: Contribution to conferenceConference PosterScientific

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

Bergsåker, H., Petersson, P., Bykov, I., Weckmann, A., Possnert, G., Likonen, J., Koivuranta, S., Coad, J. P., Van Renterghem, W., Uytdenhouwen, I., Widdowson, A. M. & contributors, JET. EFDA., 2014.

Research output: Contribution to conferenceConference PosterScientific

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)

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. & Contributors, JET-EFDA., 2014, Book of abstracts. National Institute for Fusion Science, I15

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

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)