Jari Likonen

  • Phone+358505539397
1986 …2020

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14 MeV calibration of JET neutron detectors-phase 1: Calibration and characterization of the neutron source

Batistoni, P., Popovichev, S., Cufar, A., Ghani, Z., Giacomelli, L., Jednorog, S., Klix, A., Lilley, S., Laszynska, E., Loreti, S., Packer, L., Peacock, A., Pillon, M., Price, R., Rebai, M., Rigamonti, D., Roberts, N., Tardocchi, M., Thomas, D., Aho-Mantila, L. & 12 others, Airila, M., Hakola, A., Kim, H., Koivuranta, S., Lahtinen, A., Likonen, J., Liu, Y., Makkonen, T., Nordman, H., Salmi, A., Siren, P. & Tala, T., 1 Feb 2018, In : Nuclear Fusion. 58, 2, 24 p., 026012.

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

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

Aluminium determination using resonance ionization spectrometry

Zilliacus, R. & Likonen, J., 1992, In : Applied Spectroscopy. 46, 12, p. 1828-1831

Research output: Contribution to journalArticleScientificpeer-review

Analysis of co-sputtered in situ annealed superconducting Y1Ba2Cu3O7 - x thin films

Saarilahti, J., Salmi, J., Likonen, J. & Rauhala, E., 2 Feb 1992, In : Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 64, 1-4, p. 193-197

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Analysis of deposited layers with deuterium and impurity elements on samples from the divertor of JET with ITER-like wall

Ström, P., Petersson, P., Rubel, M., Fortuna-Zaleśna, E., Widdowson, A., Sergienko, G., Aho-Mantila, L., Airila, M., Hakola, A., Koivuranta, S., Likonen, J., Salmi, A., Siren, P., Tala, T. & JET Contributors, 1 Apr 2019, In : Journal of Nuclear Materials. 516, p. 202-213 12 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Analysis of fuel retention in plasma-facing components from controlled fusion devices

Rubel, M., Coad, J. P., Likonen, J., Philipps, V. & JET-EFDA Contributors, 2009, In : Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 267, 4, p. 711-717 7 p.

Research output: Contribution to journalArticleScientificpeer-review

16 Citations (Scopus)

Analysis of radioactive particles from the Kola Bay area

Pöllänen, R., Klemola, S., Tarja, I., Rissanen, K., Juhanoja, J. & Likonen, J., 2001, In : The Analyst. 126, 5, p. 724-730 7 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Analysis of the outer divertor hot spot activity in the protection video camera recordings at JET

Drenik, A., Brezinsek, S., Carvalho, P., Huber, V., Osterman, N., Matthews, G. F., Nemec, M., Aho-Mantila, L., Airila, M., Hakola, A., Koivuranta, S., Likonen, J., Salmi, A., Siren, P., Tala, T. & JET Contributors, 1 Feb 2019, In : Fusion Engineering and Design. 139, p. 115-123 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Annealing behaviour of aluminium-implanted InP

Kyllönen, V., Räisänen, J., Seppälä, T., Ahlgren, T. & Likonen, J., 2000, In : Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 161-163, p. 673 - 676 4 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Annealing behaviour of deuterium in silicon doped carbon films

Likonen, J., Vainonen-Ahlgren, E., Ahlgren, T., Lehto, S., Sajavaara, T., Rydman, W., Keinonen, J., Katainen, J. & Wu, C., 2002, In : Contributions to Plasma Physics. 42, 2-4, p. 445-450

Research output: Contribution to journalArticleScientificpeer-review

Annealing behaviour of high-dose-implanted nitrogen in InP

Likonen, J., Väkeväinen, K., Ahlgren, T., Räisänen, J., Rauhala, E. & Keinonen, J., 1996, In : Applied Physics A: Materials Science and Processing. 62, 5, p. 463-468 6 p.

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

An overview of erosion-deposition studies for the JET Mk II high delta divertor

Widdowson, A., Brezinsek, S., Coad, J. P., Hole, D. E., Likonen, J., Philipps, V., Rubel, M., Stamp, M. F. & contributors, JET-EFDA., 2009, In : Physica Scripta. T138, 014005.

Research output: Contribution to journalArticleScientificpeer-review

20 Citations (Scopus)

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)

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)

A secondary-ion-mass-spectrometry study of low-energy ion-beam mixing of Au-Pt interfaces

Likonen, J., Hautala, M. & Koponen, I., 1992, In : Journal of Applied Physics. 72, 12, p. 5898-5904 7 p.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

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)

Backside aluminisation effects on solar cell performance

Makaro, Z., Battistig, G., Horwath, Z., Likonen, J. & Barsony, I., 1998, In : Vacuum. 50, 3-4, p. 481-485

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Be redistribution in GaInP and growth of GaInP/A1InP tunnel diode by gas source molecular beam epitaxy

Li, W., Likonen, J., Haapamaa, J. & Pessa, M., 2000, In : Journal of Crystal Growth. 209, 2-3, p. 459-462 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Beryllium accumulation at the inner divertor of JET

Likonen, J., Vainonen-Ahlgren, E., Coad, J. P., Zilliacus, R., Renvall, T., Hole, D. E., Rubel, M., Arstila, K., Matthews, G. F., Stamp, M. & JET-EFDA Contributors, 2005, In : Journal of Nuclear Materials. 337-339, p. 60 - 64 5 p.

Research output: Contribution to journalArticleScientificpeer-review

25 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

Binary collision lattice simulation study of model parameters in monocrystalline sputtering

Likonen, J. & Hautala, M., 1989, In : Journal of Physics: Condensed Matter. 1, 28, p. 4697-4722

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)

Carbon balance and deuterium inventory from a carbon dominated to a full tungsten ASDEX Upgrade

Mayer, M., Rohde, V., Sugiyama, K., Chen, J. L., Gong, X., Hopf, C., Likonen, J., Lindig, S., Neu, R., Ramos, G., Vainonen-Ahlgren, E., Wiltner, A. & Team, ASDEX. U., 2009, In : Journal of Nuclear Materials. 390-391, p. 538-543 6 p.

Research output: Contribution to journalArticleScientificpeer-review

51 Citations (Scopus)

Carbon chemical erosion in H-mode discharges in ASDEX Upgrade divertor IIb: Flux dependence and local redeposition

Pugno, R., Krieger, K., Kirschner, A., Kallenbach, A., Coster, D. P., Dux, R., Fantz, U., Likonen, J., Müller, H. W., Neuhauser, J., Rohde, V., Vainonen-Ahlgren, E. & ASDEX Upgrade Team, 2005, In : Journal of Nuclear Materials. 337-339, p. 985 - 989 5 p.

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)

Carbon erosion and a:C-H layer formation at ASDEX Upgrade

Rohde, V., Mayer, M., Likonen, J., Neu, R., Pütterich, T., Vainonen-Ahlgren, E. & ASDEX Upgrade Team, 2005, In : Journal of Nuclear Materials. 337-339, p. 847 - 851 5 p.

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Carbon erosion and deposition on the ASDEX Upgrade divertor tiles

Mayer, M., Rohde, V., Likonen, J., Vainonen-Ahlgren, E., Krieger, K., Gong, X., Chen, J. & ASDEX Upgrade Team, 2005, In : Journal of Nuclear Materials. 337-339, p. 119 - 123 5 p.

Research output: Contribution to journalArticleScientificpeer-review

32 Citations (Scopus)

Carrier profiling and crystal quality evaluation of thin AlxGa1-xAs (0.22<x<0.86) films by electrochemical capacitance/voltage technique

Fedorenko, Y., Jouhti, T., Konttinen, J., Likonen, J. & Pessa, M., 2003, In : Journal of the Electrochemical Society. 150, 7, p. G380-G384 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Characterization measurements of fluental and graphite in FiR1 TRIGA research reactor decommissioning waste

Räty, A., Lavonen, T., Leskinen, A., Likonen, J., Postolache, C., Fugaru, V., Bubueanu, G., Lungu, C. & Bucsa, A., Nov 2019, In : Nuclear Engineering and Design. 353, 9 p., 110198.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Characterization of doped strontium sulfide thin films by Secondary Ion Mass Spectrometry, Rutherford Backscattering spetrometry and X-ray Fluorescence Spectrometry

Lehto, S., Soininen, P., Niinistö, L., Likonen, J. & Lappalainen, R., 1994, In : The Analyst. 119, 8, p. 1725-1729 5 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Characterization of interfaces between TiN or hard carbon coating and substrate by SIMS

Zilliacus, R., Likonen, J., Ronkainen, H. & Hirvonen, J-P., 1994, In : Applied Surface Science. 75, 1-4, p. 175-179 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Characterization of wear surfaces in dry sliding of steel and alumina on hydrogenated and hydrogen-free carbon films

Ronkainen, H., Koskinen, J., Likonen, J., Varjus, S. & Vihersalo, J., 1994, In : Diamond and Related Materials. 3, 11-12, p. 1329-1336 8 p.

Research output: Contribution to journalArticleScientificpeer-review

64 Citations (Scopus)

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)

Comparative study of deuterium retention in irradiated Eurofer and Fe–Cr from a new ion implantation materials facility

Hollingsworth, A., Lavrentiev, M., Watkins, R., Davies, A., Davies, S., Smith, R., Mason, D., Baron-Wiechec, A., Kollo, Z., Hess, J., Jepu, I., Likonen, J., Heinola, K., Mizohata, K., Meslin, E., Barthe, M-F., Widdowson, A., Grech, I., Abraham, K., Pender, E. & 4 others, McShee, A., Martynova, Y., Freisinger, M. & De Backer, A., 1 Jan 2020, In : Nuclear Fusion. 60, 1, 10 p., 016024.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Comparison of erosion and deposition in JET divertor during the first three ITER-like wall campaigns

Krat, S., Mayer, M., Baron-Wiechec, A., Brezinsek, S., Coad, P., Gasparyan, Y., Heinola, K., Jepu, I., Likonen, J., Petersson, P., Ruset, C., De Saint-Aubin, G., Widdowson, A. & JET Contributors, 1 Jan 2020, In : Physica Scripta. 2020, T171, 014059.

Research output: Contribution to journalArticleScientificpeer-review

Comparison of Hydrogen Isotope Retention in Divertor Tiles of JET with the ITER-Like Wall Following Campaigns in 2011–2012 and 2015–2016

JET Contributors, 18 May 2020, In : Fusion Science and Technology. 76, 4, p. 439-445 7 p., 1716455.

Research output: Contribution to journalArticleScientificpeer-review

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)

Comparison of LIBS results on ITER-relevant samples obtained by nanosecond and picosecond lasers

Paris, P., Butikova, J., Laan, M. R., Hakola, A., Jõgi, I., Likonen, J., Grigore, E. & Ruset, C., Jan 2019, In : Nuclear Materials and Energy. 18, p. 1-5 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
4 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

Computer simulations on collision cascade anisotropics bombardment of single-crystalline Cu(100) by Ar ions

Hautala, M. & Likonen, J., 1990, In : Physical Review B: Condensed Matter. 41, 4, p. 1759-1769

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Computer simulations on collision-sequence mechanisms: Bombardment of single-crystalline Cu(100) by Ar ions

Likonen, J. & Hautala, M., 1990, In : Physical Review B: Condensed Matter. 42, 7, p. 3838-3852

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Computer simulations on sputtering mechanisms: Bombardment of single-crystalline Cu(100) by Ar ions

Likonen, J., 1990, In : Physical Review B: Condensed Matter. 42, 7, p. 3853-3865

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Concentration dependent and independent Si diffusion in ion-implanted GaAs

Ahlgren, T., Likonen, J., Slotte, J., Räisänen, J., Rajatora, M. & Keinonen, J., 1997, In : Physical Review B: Condensed Matter and Materials Physics. 56, 8, p. 4597-4603 7 p.

Research output: Contribution to journalArticleScientificpeer-review

51 Citations (Scopus)

Concentration-dependent deuterium diffusion in diamondlike carbon films

Ahlgren, T., Vainonen, E., Likonen, J. & Keinonen, J., 1998, In : Physical Review B: Condensed Matter and Materials Physics. 57, 16, p. 9723-9726

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Concentration of interstitial and substitutional nitrogen in GaNxAs1-x

Ahlgren, T., Vainonen-Ahlgren, E., Likonen, J., Li, W. & Pessa, M., 2002, In : Applied Physics Letters. 80, 13, p. 2314-2316

Research output: Contribution to journalArticleScientificpeer-review

61 Citations (Scopus)

Corrosion resistance of N-, Cr- or Cr + N - implanted AISI 420

Hirvonen, J-P., Ruck, D., Yan, S., Mahiout, A., Torri, P. & Likonen, J., 1995, In : Surface and Coatings Technology. 74-75, Part 2, p. 760-764

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Cross sections of deposited layers investigated by micronuclear reaction analysis

Petersson, P., Bergsåker, H., Possnert, G., Coad, J. P., Likonen, J., Koivuranta, S. & Hakola, A., 2011, In : Journal of Nuclear Materials. 415, p. S262-S265

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Deep deuterium retention and Be/W mixing at tungsten coated surfaces in the JET divertor

Bergsker, H., Bykov, I., Zhou, Y., Petersson, P., Possnert, G., Likonen, J., Pettersson, J., Koivuranta, S. & Widdowson, A. M., 2016, In : Physica Scripta. 2016, T167, 8 p., 014061.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Defect formation and annealing behavior of InP implanted by low-energy 15N ions

Rauhala, E., Ahlgren, T., Väkeväinen, K., Räisänen, J., Keinonen, J., Saarinen, K., Laine, T. & Likonen, J., 1998, In : Journal of Applied Physics. 83, 2, p. 738-746

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Dependence on plasma shape and plasma fueling for small edge-localized mode regimes in TCV and ASDEX Upgrade

Labit, B., Eich, T., Harrer, G. F., Wolfrum, E., Bernert, M., Dunne, M. G., Frassinetti, L., Hennequin, P., Maurizio, R., Merle, A., Meyer, H., Saarelma, S., Sheikh, U., Adamek, J., Agostini, M., Aguiam, D., Akers, R., Albanese, R., Albert, C., Alessi, E. & 31 others, Ambrosino, R., Andr be, Y., Angioni, C., Apruzzese, G., Aradi, M., Arnichand, H., Auriemma, F., Avdeeva, G., Ayllon-Guerola, J. M., Bagnato, F., Bandaru, V. K., Barnes, M., Barrera-Orte, L., Bettini, P., Bilato, R., Biletskyi, O., Bilkova, P., Bin, W., Blanchard, P., Blanken, T., Bobkov, V., Bock, A., Boeyaert, D., Bogar, K., Bogar, O., Hakola, A., Lahtinen, A., Likonen, J., Salmi, A., Tala, T. & Culham Science Centre, 26 Jun 2019, In : Nuclear Fusion. 59, 8, 13 p., 086020.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)