1973 …2018
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Publications 1973 2018

2018

Absence of single critical dose for the amorphization of quartz under ion irradiation

Zhang, S., Pakarinen, O. H., Backholm, M., Djurabekova, F., Nordlund, K., Keinonen, J. & Wang, T. S., 10 Jan 2018, In : Journal of Physics. Condensed Matter. 30, 1, 10 p., 015403.

Research output: Contribution to journalArticleScientificpeer-review

2014

Non-invasive transmission electron microscopy of vacancy defects in graphene produced by ion irradiation

Lehtinen, O., Tsai, I-L., Jalil, R., Nair, R. R., Keinonen, J., Kaiser, U. & Grigorieva, I. V., 2014, In : Nanoscale. 6, 12, p. 6569-6576 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2013

Dual origin of defect magnetism in graphene and its reversible switching by molecular doping

Nair, R. R., Tsai, I-L., Sepioni, M., Lehtinen, O., Keinonen, J., Krasheninnikov, A. V., Castro Neto, A. H., Katsnelson, M. I., Geim, A. K. & Grigorieva, I. V., Jun 2013, In : Nature Communications. 4, 6 p., 2010.

Research output: Contribution to journalArticleScientificpeer-review

Ion-Irradiation-Induced Defects in Isotopically-Labeled Two Layered Graphene: Enhanced In-Situ Annealing of the Damage

Kalbac, M., Lehtinen, O., Krasheninnikov, A. V. & Keinonen, J., 20 Feb 2013, In : Advanced Materials. 25, 7, p. 1004-1009 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Self-assembly of oxide-supported metal clusters into ring-like structures

Meinander, K., Nordlund, K. & Keinonen, J., 25 Jan 2013, In : Nanotechnology. 24, 3, p. 035602 7 p.

Research output: Contribution to journalArticleScientificpeer-review

2012

Simulation of irradiation induced deuterium trapping in tungsten

Ahlgren, T., Heinola, K., Vortler, K. & Keinonen, J., 1 Aug 2012, In : Journal of Nuclear Materials. 427, 1-3, p. 152-161 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Spin-half paramagnetism in graphene induced by point defects

Nair, R. R., Sepioni, M., Tsai, I-L., Lehtinen, O., Keinonen, J., Krasheninnikov, A. V., Thomson, T., Geim, A. K. & Grigorieva, I. V., 2012, In : Nature Physics. 8, p. 199-202 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2011

Characterization of ion-irradiation-induced defects in multi-walled carbon nanotubes

Lehtinen, O. J., Nikitin, T., Krasheninnikov, A., Sun, L., Banhart, F., Khryashchev, L. & Keinonen, J., Jul 2011, In : New Journal of Physics. 13, 7, p. 073004 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Cutting and controlled modification of graphene with ion beams

Lehtinen, O. J., Kotakoski, J., Krasheninnikov, A. & Keinonen, J., 16 Mar 2011, In : Nanotechnology. 22, 17, p. 175306

Research output: Contribution to journalArticleScientificpeer-review

Production of defects in hexagonal boron nitride monolayer under ion irradiation

Lehtinen, O. J., Dumur, E., Kotakoski, J., Krasheninnikov, A., Nordlund, K. & Keinonen, J., 2011, In : Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 269, 11, p. 1327-1331 5 p.

Research output: Contribution to journalArticleScientificpeer-review

2010

Effects of ion bombardment on a two-dimensional target: Atomistic simulations of graphene irradiation

Lehtinen, O. J., Kotakoski, J., Krasheninnikov, A., Tolvanen, A., Nordlund, K. & Keinonen, J., 2010, In : Physical Review B, Condensed Matter and Materials Physics. 81, 15, p. 153401 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Hydrogen interaction with point defects in tungsten

Heinola, K., Ahlgren, T., Nordlund, K. & Keinonen, J., 10 Sep 2010, In : Physical Review B, Condensed Matter and Materials Physics. 82, 9, p. 094102 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Ion irradiation of multi-walled boron nitride nanotubes

Lehtinen, O., Nikitin, T., Krasheninnikov, A. V., Sun, L., Khriachtchev, L., Banhart, F., Terao, T., Goldberg, D. & Keinonen, J., 2010, In : Physica Status Solidi. C: Current Topics in Solid State Physics. 7, 3-4, p. 1256-1259 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Using car4ams, the Bayesian AMS data-analysis code

Palonen, V., Tikkanen, P. & Keinonen, J., 2010, In : Radiocarbon. 2010, 52(3), p. 948-952 5 p.

Research output: Contribution to journalArticleScientificpeer-review

2008

A Bayesian measurement model: reliable uncertainties and control over instrumental drift

Palonen, V., Tikkanen, P. & Keinonen, J., 2008, In : Journal of Physics. D, Applied Physics. 41, 21, p. 212001 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrical properties of C4+ irradiated single-walled carbon nanotube paper

Skakalova, V., Kaiser, A. B., Dettlaff, U., Arstila, K., Krasheninnikov, A. V., Keinonen, J. & Roth, S., Oct 2008, In : Physica Status Solidi. B: Basic Research. 245, 10, p. 2280-2283 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrical properties of C irradiated single-walled carbon nanotube paper

Skakalova, V., Kaiser, A. B., Dettlaff, U., Arstila, K., Krasheninnikov, A., Keinonen, J. & Roth, S., 2008, In : Physica Status Solidi. B: Basic Research. 245, 10, p. 2280-2283 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Ion irradiation of carbon nanotubes encapsulating cobalt crystals

Lehtinen, O., Sun, L., Nikitin, T., Krasheninnikov, A., Khriachtchev, L., Rodriguez-Manzo, J. A., Terrones, M., Banhart, F. & Keinonen, J., 2008, In : Physica E: Low-Dimensional Systems and Nanostructures. 40, p. 2618-2621 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Light emitting defects in ion-irradiated alpha-quartz and silicon nanoclusters: chapter 14

Keinonen, J., Djurabekova, F., Nordlund, K. & Lieb, K. P., 2008, Silicon nanophotonics. [Singapore]: Pan Stanford Publishing, p. 379-393 15 p.

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

Na-irradiated alpha-quartz: chemical epitaxy and luminescence

Gasiorek, S., Lieb, K. P., Sahoo, P. K. & Keinonen, J., 2008, In : Applied physics. B, Lasers and optics. 93, p. 245-249 5 p.

Research output: Contribution to journalArticleScientificpeer-review

2007

Annihilation of craters: Molecular dynamic simulations on a silver surface

Henriksson, K. O. E., Nordlund, K. & Keinonen, J., 2007, In : Physical Review B, Condensed Matter and Materials Physics. 76, 24, p. 245428 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Argon cluster impacts on layered silicon, silica, and graphite surfaces

Samela, J., Nordlund, K., Keinonen, J., Popok, V. N. & Campbell, E. E. B., 2007, In : European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics. 43, 1-3, p. 181-184 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Cathodoluminescence of ion-irradiated alpha-quartz: the 3.25-eV band

Lieb, K. P., Sahoo, P. K., Gasiorek, S. & Keinonen, J., 2007, In : Radiation Effects and Defects in Solids. 162, p. 575-586 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Cathodoluminescence of ion-irradiated -quartz: the 3.25-eV

Lied, K. P., Sahoo, P. K., Gasiorek, S. & Keinonen, J., 2007, In : Radiation Effects and Defects in Solids. 162, 7-8, p. 575-586 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Comparison of silicon potentials for cluster bombardment simulations

Samela, J., Nordlund, K., Keinonen, J. & Popok, V. N., 2007, In : Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 255, 1, p. 253-258 6 p.

Research output: Contribution to journalConference articleScientificpeer-review

Crater annihilation on silver by cluster ion impacts

Henriksson, K. O. E., Nordlund, K. & Keinonen, J., 2007, In : Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 255, 1, p. 259-264 6 p.

Research output: Contribution to journalConference articleScientificpeer-review

Deuterium irradiation-induced defect concentrations in tungsten

Heinola, K., Ahlgren, T., Vainonen- Ahlgren, E., Likonen, J. & Keinonen, J., 8 Mar 2007, In : Physica Scripta. T. T128, p. 91-95 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Engineering SWCNT Bucky Paper by Heavy Ion Irradiation: An In situ –study

Salmi, A. H., Lehtinen, O. J., Lassila, I. J., Kaskela, A., Haeggström, E., Nordlund, K. & Keinonen, J., 2007, Proceedings of the International Congress on Ultrasonics 2007.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Euroopan fyysikkoseura korostaa energiatutkimusta

Keinonen, J., 2007, In : Arkhimedes. 2007, 1, p. 4-5 2 p.

Research output: Contribution to journalArticleProfessional

Ilmatieteen laitoksen ja Merentutkimuslaitoksen yhteistyö: Selvitys

Keinonen, J., 2007, In : Liikenne- ja viestintäministeriön julkaisuja.. 49 (2007), 27 s

Research output: Contribution to journalArticleScientific

Increasing the stiffness of SWCNT bucky paper by heavy ion irradiation

Salmi, A., Hæggström, E., Arstila, K., Nordlund, K. & Keinonen, J., 2007, Review of progress in quantitative nondestructive evaluation. p. 1183-1188 6 p.

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

Light and heavy ion effects on damage clustering in GaAs quantum wells

Björkas, C., Nordlund, K., Arstila, K., Keinonen, J., Dhaka, V. D. S. & Pessa, M., 2007, In : Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 257, 1-2, p. 324-327 4 p.

Research output: Contribution to journalConference articleScientificpeer-review

Luminescence and epitaxy of ion-implanted -quartz

Lieb, K. P., Sahoo, P. K., Gasiorek, S., Dhar, S. & Keinonen, J., 2007, In : Physica. B, Condensed Matter. 389, 1, p. 9-17 9 p.

Research output: Contribution to journalArticleScientificpeer-review

MD simulations of the cluster beam deposition of porous Ge

Harjunmaa, A., Tarus, J., Nordlund, K. & Keinonen, J., 2007, In : European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics. 43, 1-3, p. 165-168 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2006

Cathodoluminescence during epitaxy in Rb-ion irradiated alpha quartz

Gasiorek, S., Sahoo, P. K., Dhar, S., Lieb, K. P., Arstila, K. & Keinonen, J., 2006, In : Applied physics. B, Lasers and optics. 84, p. 357-363 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Damage production in GaAs and GaAsN induced by light and heavy ions

Björkas, C., Nordlund, K., Arstila, K., Keinonen, J., Dhaka, V. D. S. & Pessa, M., 2006, In : Journal of Applied Physics. 100, 5, p. 053516 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Effects of heavy-ion and light-ion irradiation on the room temperature carrier dynamics of InGaAs/GaAs quantum wells

Dhaka, V. D. S., Tkachenko, N. V., Lemmetyinen, H., Pavelescu, E. -M., Guina, M., Tukiainen, A., Konttinen, J., Pessa, M., Arstila, K., Keinonen, J., Nordlund, K. & Nordluna, K., 2006, In : Semiconductor Science and Technology. 21, p. 661-664 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Electronic stopping power calculation method for molecular dynamics simulations using local Firsov and free electron-gas models

Peltola, J. Y., Nordlund, K. & Keinonen, J., 2006, In : Radiation Effects and Defects in Solids. 161, 9, p. 511-521 11 p.

Research output: Contribution to journalArticleScientificpeer-review

H, He, Ne, Ar-bombardment of amorphous hydrocarbon structures

Träskelin, P., Nordlund, K. & Keinonen, J., 2006, In : Journal of Nuclear Materials. 357, 1-3, p. 1-8 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Light-emitting defects and epitaxy in alkali-ion-implanted α quartz

Keinonen, J., Casiorek, S., Sahoo, P. K., Dhar, S. & Lieb, K. P., 2006, In : Applied Physics Letters. 88, 26, p. 261102 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Luminescence of ion-irradiated -quartz

Lieb, K-P. & Keinonen, J., 2006, In : Contemporary Physics. 47, p. 305-331 27 p.

Research output: Contribution to journalArticleScientificpeer-review

Multiple scattering of MeV ions: comparison between the analytical theory and Monte-Carlo and molecular dynamics simulations

Mayer, M., Arstila, K., Nordlund, K., Edelmann, E. & Keinonen, J., 2006, In : Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 249, 1-2, p. 823-827 5 p.

Research output: Contribution to journalConference articleScientificpeer-review

Quantification of deuterium irradiation induced defect concentrations in tungsten

Ahlgren, T., Heinola, K., Vainonen- Ahlgren, E., Likonen, J. & Keinonen, J., 2 May 2006, In : Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 249, 1-2, p. 436-439 4 p.

Research output: Contribution to journalConference articleScientificpeer-review

Size dependent epitaxial cluster deposition: the effect of deposition energy

Meinander, K., Nordlund, K. & Keinonen, J., 2006, In : Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 242, 1-2, p. 161-163 3 p.

Research output: Contribution to journalConference articleScientificpeer-review

Solid phase epitaxy of Na-ion irradiated α-quartz: Cathodoluminescence, kinetics and surface morphology

Gasiorek, S., Sahoo, P. K., Lieb, K. P., Dhar, S., Sajavaara, T. & Keinonen, J., 2006, In : Journal of Non-Crystalline Solids. 352, 28-29, p. 2986-2992 7 p.

Research output: Contribution to journalArticleScientificpeer-review