Filip Tuomisto

Professor

Research outputs

  1. 2014
  2. Published

    Charge transition level of GePb1 centers at interfaces of SiO2/GexSi1-x/SiO2 heterostructures investigated by positron annihilation spectroscopy

    Madia, O., Segercrantz, N., Afanasjev, V., Stesmans, A., Souriau, L., Slotte, J. & Tuomisto, F., Nov 2014, In : PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS. 251, 11, p. 2211-2215 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. Published

    Vacancy-hydrogen complexes in ammonothermal GaN

    Tuomisto, F., Kuittinen, T., Zajac, M., Doradzinski, R. & Wasik, D., 1 Oct 2014, In : Journal of Crystal Growth. 403, p. 114-118 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  4. Published

    Growth, characterization and study of ferromagnetism of bismuth telluride doped with manganese

    Fedorchenko, I. V., Marenkin, S. F., Avdonin, A., Domukhovski, V., Dobrowolski, W., Heikinheimo, J., Korhonen, E. & Tuomisto, F., 1 Sep 2014, In : Journal of Crystal Growth. 401, p. 636-639 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Published

    Effect of growth temperature on the epitaxial growth of ZnO on GaN by ALD

    Särkijärvi, S., Sintonen, S., Tuomisto, F., Bosund, M., Suihkonen, S. & Lipsanen, H., 15 Jul 2014, In : Journal of Crystal Growth. 398, p. 18-22 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  6. Published

    Optical Identification of Oxygen Vacancy Formation at SrTiO3 - (Ba,Sr)TiO3 Heterostructures

    Rutkowski, M., McNicholas, K., Zeng, Z., Tuomisto, F. & Brillson, L., 30 May 2014, In : Journal of Physics D: Applied Physics. 47, 25, p. 1-8 8 p., 255303.

    Research output: Contribution to journalArticleScientificpeer-review

  7. Published

    Full-correlation single-particle positron potentials for a positron and positronium interacting with atoms

    Zubiaga, A., Tuomisto, F. & Puska, M., May 2014, In : Physical Review A. 89, 5, p. 1-9 9 p., 052707.

    Research output: Contribution to journalArticleScientificpeer-review

  8. Published

    Vacancy defect formation in PA-MBE grown C-doped InN

    Prozheeva, V., Tuomisto, F., Koblmüller, G., Speck, J. S., Knübel, A. & Aidam, R., Apr 2014, In : PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS. 11, 3-4, p. 530-532 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  9. Published

    Vacancy defects in UV-transparent HVPE-AlN

    Kuittinen, T., Tuomisto, F., Kumagai, Y., Nagashima, T., Kinoshita, T., Koukitu, A., Collazo, R. & Sitar, Z., Apr 2014, In : PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS. 11, 3-4, p. 405-407 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  10. Published

    Impact of strain on the passivation efficiency of Ge dangling bond interface defects in condensation grown SiO2/Si1-xGex/SiO2/(100)Si structures with nm-thi

    Madia, O., Nguyen, A. P. D., Thoan, N. H., "Afanas'ev", V., Stesmans, A., Souriau, L., Slotte, J. & Tuomisto, F., 1 Feb 2014, In : Applied Surface Science. 291, p. 11-15 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  11. Published

    Defect studies in MBE grown GaSb1-xBix layers

    Segercrantz, N., Kujala, J., Tuomisto, F., Slotte, J., Song, Y. & Wang, S., 2014, INTERNATIONAL CONFERENCE ON DEFECTS IN SEMICONDUCTORS 2013. Cavallini, A. & Estreicher, SK. (eds.). American Institute of Physics, p. 174-177 4 p. (AIP Conference Proceedings ; vol. 1583).

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

  12. Published

    He implantation induced defects in InN

    Linez, F., Ritt, M., Rauch, C., Kilanski, L., Choi, S., Speck, J. S., Räisänen, J. & Tuomisto, F., 2014, In : Journal of Physics: Conference Series. 505, 1, p. 1-4 4 p., 012012.

    Research output: Contribution to journalArticleScientificpeer-review

  13. Published

    Native point defects in GaSb

    Kujala, J., Segercrantz, N., Tuomisto, F. & Slotte, J., 2014, In : Journal of Applied Physics. 116, 14, p. 1-6 6 p., 143508.

    Research output: Contribution to journalArticleScientificpeer-review

  14. Published

    On the sensitivity of positron annihilation signals to alloy homogeneity in InxGa1-xN

    Tuomisto, F., Norrman, V. & Makkonen, I., 2014, In : Journal of Physics: Conference Series. 505, 1, p. 1-6 6 p., 012042.

    Research output: Contribution to journalArticleScientificpeer-review

  15. Published

    Point defect balance in epitaxial GaSb

    Segercrantz, N., Slotte, J., Makkonen, I., Kujala, J., Tuomisto, F., Song, Y. & Wang, S., 2014, In : Applied Physics Letters. 105, 8, p. 1-4 4 p., 082113.

    Research output: Contribution to journalArticleScientificpeer-review

  16. Published

    Point defects and p-type conductivity in Zn1-xMnxGeAs2

    Kilanski, L., Rauch, C., Tuomisto, F., Podgórni, A., Dynowska, E., Dobrowolski, W., Fedorchenko, I. V. & Marenkin, S. F., 2014, In : Journal of Applied Physics. 116, 2, p. 1-7 7 p., 023501.

    Research output: Contribution to journalArticleScientificpeer-review

  17. Published

    Positron annihilation spectroscopy on open-volume defects in group IV semiconductors

    Slotte, J., Tuomisto, F., Kujala, J., Holm, A. M., Segercrantz, N., Kilpeläinen, S., Kuitunen, K., Simoen, E., Gencarelli, F., Loo, R. & Shimura, Y., 2014, ECS Transactions. 11 ed. Vol. 64. p. 241-253 13 p.

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

  18. Published

    Substitutionality of nitrogen atoms and formation of nitrogen complexes and point defects in GaPN alloys

    Jussila, H., Yu, K. M., Kujala, J., Tuomisto, F., Subramaniyam, N., Lemettinen, J., Huhtio, T., Tuomi, T. O., Lipsanen, H. & Sopanen, M., 2014, In : Journal of Physics D: Applied Physics. 47, 7, p. 1-6 6 p., 075106.

    Research output: Contribution to journalArticleScientificpeer-review

  19. Published

    Vacancy complexes in Sb-doped SnO2

    Korhonen, E., Tuomisto, F., Bierwagen, O., Speck, J. S., White, M. E. & Galazka, Z., 2014, INTERNATIONAL CONFERENCE ON DEFECTS IN SEMICONDUCTORS 2013. Cavallini, A. & Estreicher, SK. (eds.). American Institute of Physics, p. 368-371 4 p. (AIP Conference Proceedings ; vol. 1583).

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

  20. 2013
  21. Published

    Modeling Bi-induced changes in the electronic structure of GaAs 1-xBix alloys

    Virkkala, V., Havu, V., Tuomisto, F. & Puska, M. J., 5 Dec 2013, In : Physical Review B. 88, 23, p. 1-6 6 p., 235201.

    Research output: Contribution to journalArticleScientificpeer-review

  22. Published

    Band-edge luminescence degradation by low energy electron beam irradiation in GaN grown by metal-organic vapor phase epitaxy in H2 and N 2 ambients

    Nykänen, H., Suihkonen, S., Svensk, O., Sopanen, M. & Tuomisto, F., Nov 2013, In : Japanese Journal of Applied Physics. 52, 11S, p. 1-3 3 p., 11NH04.

    Research output: Contribution to journalArticleScientificpeer-review

  23. Published

    Defect identification in semiconductors with positron annihilation: Experiment and theory

    Tuomisto, F. & Makkonen, I., Nov 2013, In : Reviews of Modern Physics. 85, 4, p. 1583-1631 49 p.

    Research output: Contribution to journalLiterature reviewScientificpeer-review

  24. Published

    Interplay of dopants and native point defects in ZnO

    Brillson, L. J., Zhang, Z., Doutt, D. R., Look, D. C., Svensson, B. G., Kuznetsov, A. Y. & Tuomisto, F., Oct 2013, In : PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS. 250, 10, p. 2110-2113 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  25. Published

    Migration kinetics of ion-implanted beryllium in ZnO and GaN

    Koskelo, O., Köster, U., Tuomisto, F., Helariutta, K., Sopanen, M., Suihkonen, S., Svensk, O. & Räisänen, J., 22 Aug 2013, In : Physica Scripta. 88, 3, p. 1-5 5 p., 035603.

    Research output: Contribution to journalArticleScientificpeer-review

  26. Published

    Nitrogen and vacancy clusters in ZnO

    Tuomisto, F., Rauch, C., Wagner, M. R., Hoffmann, A., Eisermann, S., Meyer, B. K., Kilanski, L., Tarun, M. C. & McCluskey, M. D., 23 Jul 2013, In : Journal of Materials Research. 28, 15, p. 1977-1983 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  27. Published

    Origin of band gap bowing in dilute GaAs1-xNx and GaP1-xNx alloys: a real-space view

    Virkkala, V., Havu, V., Tuomisto, F. & Puska, M. J., Jul 2013, In : Physical Review B. 88, 3, p. 1-6 6 p., 035204.

    Research output: Contribution to journalArticleScientificpeer-review

  28. Published

    Thermally assisted recovery of low energy electron beam irradiation induced optical degradation of GaN

    Nykänen, H., Suihkonen, S., Sopanen, M. & Tuomisto, F., Mar 2013, In : PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS. 10, 3, p. 461-463 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  29. Published

    Acceptors in undoped GaSb; the role of vacancy defects

    Kujala, J., Slotte, J. & Tuomisto, F., 2013, In : Journal of Physics: Conference Series. 443, 1, p. 1-4 4 p., 012042.

    Research output: Contribution to journalArticleScientificpeer-review

  30. Published

    Defects in nitrides, positron annihilation spectroscopy

    Tuomisto, F., 2013, Gallium Nitride Materials and Devices VIII. Chyi, J-I., Nanishi, Y., Morkoc, H., Piprek, J., Yoon, E. & Fujioka, H. (eds.). p. 1-10 10 p. 86250G. (Proceedings of SPIE; vol. 8625).

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

  31. Published

    Enhanced light extraction from InGaN/GaN quantum wells with silver gratings

    Homeyer, E., Mattila, P., Oksanen, J., Sadi, T., Nykänen, H., Suihkonen, S., Symonds, C., Tulkki, J., Tuomisto, F., Sopanen, M. & Bellessa, J., 2013, In : Applied Physics Letters. 102, 8, p. 1-4 4 p., 081110.

    Research output: Contribution to journalArticleScientificpeer-review

  32. Published

    Exchange and correlation effects in the strongly interacting He-Ps system

    Zubiaga, A., Tuomisto, F. & Puska, M. J., 2013, In : Journal of Physics: Conference Series. 443, 1, p. 1-5 5 p., 012004.

    Research output: Contribution to journalArticleScientificpeer-review

  33. Published

    Higher level academic nuclear engineering education in Finland - need of post graduates?

    Salomaa, R., Ala-Heikkilä, J., Tuomisto, F., Kyrki-Rajamäki, R., Vihavainen, J., Lehto, J., Harjula, R., Olin, M., Vanttola, T., Avolahti, J., Aurela, J., Koskinen, K., Heikinheimo, L., Hyvärinen, J., Juurmaa, T. & Palmu, M., 2013, Conference NESTet 2013, Nuclear Education and Training, 17-21 Nov. 2013, Madrid. Brussels, Belgium: European Nuclear Society, p. 22

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

  34. Published

    On the interplay of point defects and Cd in non-polar ZnCdO films

    Zubiaga, A., Reurings, F., Tuomisto, F., Plazaola, F., Garcia, J. A., Kuznetsov, A. Y., Egger, W., Zuniga-Perez, J. & Munoz-Sanjose, V., 2013, In : Journal of Applied Physics. 113, 2, p. 1-7 7 p., 023512.

    Research output: Contribution to journalArticleScientificpeer-review

  35. Published

    Open volume defects: positron annihilation spectroscopy

    Tuomisto, F., 2013, OXIDE SEMICONDUCTORS. Svensson, BG., Pearton, SJ. & Jagadish, C. (eds.). Elsevier, p. 39-65 27 p. (Semiconductors and Semimetals; vol. 88).

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

  36. Published

    Si nanoparticle interfaces in Si/SiO2 solar cell materials

    Kilpeläinen, S., Kujala, J., Tuomisto, F., Slotte, J., Lu, Y-W. & Nylandsted Larsen, A., 2013, In : Journal of Applied Physics. 114, 16, p. 1-4 4 p., 164316.

    Research output: Contribution to journalArticleScientificpeer-review

  37. Published

    Study of unbound HePs using Exact Diagonalization technique

    Zubiaga, A., Tuomisto, F. & Puska, M. J., 2013, In : Materials Science Forum. 733, p. 38-42 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  38. 2012
  39. Published

    Advances in positron annihilation spectroscopy of Si, Ge and their alloys

    Slotte, J. & Tuomisto, F., Dec 2012, In : MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING. 15, 6, p. 669-674 6 p.

    Research output: Contribution to journalReview ArticleScientificpeer-review

  40. Published

    Native Point Defect Energetics in GaSb: enabling p-type conductivity of undoped GaSb

    Virkkala, V., Havu, V., Tuomisto, F. & Puska, M. J., 1 Oct 2012, In : Physical Review B. 86, 14, p. 1-7 7 p., 144101.

    Research output: Contribution to journalArticleScientificpeer-review

  41. Published

    Non-destructive examination of helium implanted HTRs construction materials

    Veternikova, J., Degmova, J., Kilpeläinen, S., Slugen, V., Tuomisto, F., Räisänen, J., Krsjak, V., Petriska, M., Sojak, S., Hinca, R. & Stacho, M., Oct 2012, In : Nuclear Engineering and Design. 251, p. 354-359 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  42. Published

    Zinc vacancy and oxygen interstitial in ZnO revealed by sequential annealing and electron irradiation

    Knutsen, K. E., Galeckas, A., Zubiaga, A., Tuomisto, F., Farlow, G. C., Svensson, B. G. & Kuznetsov, A. Y., Sep 2012, In : Physical Review B. 86, 12, p. 1-5 5 p., 121203.

    Research output: Contribution to journalArticleScientificpeer-review

  43. Published

    Vacancy defects in epitaxial thin film CuGaSe2 and CuInSe2

    Korhonen, E., Kuitunen, K., Tuomisto, F., Urbaniak, A., Igalson, M., Larsen, J., Gütay, L. & Siebentritt, S., Aug 2012, In : Physical Review B. 86, 6, p. 1-5 5 p., 064102.

    Research output: Contribution to journalArticleScientificpeer-review

  44. Published

    Chemical analysis using coincidence Doppler broadening and supporting first-principles theory: applications to vacancy defects in compound semiconductors

    Makkonen, I., Rauch, C., Mäki, J-M. & Tuomisto, F., 15 Jul 2012, In : Physica B: Condensed Matter. 407, 14, p. 2684-2688 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  45. Published

    On the formation of vacancy defects in III-nitride semiconductors

    Tuomisto, F., Mäki, J-M., Rauch, C. & Makkonen, I., 1 Jul 2012, In : Journal of Crystal Growth. 350, 1, p. 93-97 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  46. Published

    Native point defects at ZnO surfaces, interfaces and bulk films

    Brillson, L. J., Dong, Y., Tuomisto, F., Svensson, B. G., Kuznetsov, A. Y., Doutt, D., Mosbacker, H. L., Cantwell, G., Zhang, J., Song, J. J., Fang, Z-Q. & Look, D. C., Jul 2012, In : PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS. 9, 7, p. 1566-1569 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  47. Published

    Matter-positronium interaction: An exact diagonalization study of the He atom - positronium system

    Zubiaga, A., Tuomisto, F. & Puska, M. J., May 2012, In : Physical Review A. 85, 5, p. 1-7 7 p., 052707.

    Research output: Contribution to journalArticleScientificpeer-review

  48. Published

    Positron lifetime spectroscopy with optical excitation: case study of natural diamond

    Mäki, J-M., Kuittinen, T., Korhonen, E. & Tuomisto, F., 30 Mar 2012, In : New Journal of Physics. 14, p. 1-16 16 p., 032023.

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    Hybrid functional study of band structures of GaAs1-xNx and GaSb1-xNx Alloys

    Virkkala, V., Havu, V., Tuomisto, F. & Puska, M. J., Feb 2012, In : Physical Review B. 85, 8, p. 1-8 8 p., 085134.

    Research output: Contribution to journalArticleScientificpeer-review

  50. Published

    Point defect evolution in low-temperature MOCVD growth of InN

    Rauch, C., Öcal, T., Giesen, C., Heuken, M. & Tuomisto, F., Jan 2012, In : PHYSICA STATUS SOLIDI A: APPLICATIONS AND MATERIALS SCIENCE. 209, 1, p. 87-90 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  51. Published

    Defect activation in MOVPE GaN under low energy electron beam irradiation

    Nykänen, H., Suihkonen, S., Kilanski, L., Sopanen, M. & Tuomisto, F., 2012, ISSLED 2012, Berlin, Germany, July 21-27, 2012.

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

  52. Published

    Defect evolution and interplay in n-type InN

    Rauch, C., Tuomisto, F., Vilalta-Clemente, A., Lacroix, B., Ruterana, P., Kraeusel, S., Hourahine, B. & Schaff, W. J., 2012, In : Applied Physics Letters. 100, 9, p. 1-3 3 p., 091907.

    Research output: Contribution to journalArticleScientificpeer-review

  53. Published

    Defects identification in FeTiO3 using positron annihilation technique

    Jili, T. P., Sideras-Haddad, E., Wamwangi, D., Tuomisto, F. & Kilanski, L., 2012, PROCEEDINGS OF SAIP2012: THE 57TH ANNUAL CONFERENCE OF THE SOUTH AFRICAN INSTITUTE OF PHYSICS. VanRensburg, JJ. (ed.). p. 81-84 4 p.

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

ID: 49531