Robert Wagner

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  1. On ion-induced new-particle formation: from well-defined laboratory experiments to atmospheric observations

    Wagner, R., 31 Oct 2017, Helsinki: Finnish Association for Aerosol Research. 134 p.

    Research output: ThesisDoctoral ThesisCollection of Articles

  2. Influence of temperature on the molecular composition of ions and charged clusters during pure biogenic nucleation

    Frege, C. , Ortega, I. K. , Rissanen, M. P. , Praplan, A. P. , Steiner, G. , Heinritzi, M. , Ahonen, L. , Amorim, A. , Bernhammer, A-K. , Bianchi, F. , Brilke, S. , Breitenlechner, M. , Dada, L. , Dias, A. , Duplissy, J. , Ehrhart, S. , El-Haddad, I. , Fischer, L. , Fuchs, C. , Garmash, O. & 33 others Gonin, M., Hansel, A., Hoyle, C. R., Jokinen, T., Junninen, H., Kirkby, J., Kuerten, A., Lehtipalo, K., Leiminger, M., Mauldin, R. L., Molteni, U., Nichman, L., Petäjä, T., Sarnela, N., Schobesberger, S., Simon, M., Sipilä, M., Stolzenburg, D., Tome, A., Vogel, A. L., Wagner, A. C., Wagner, R., Xiao, M., Yan, C., Ye, P., Curtius, J., Donahue, N. M., Flagan, R. C., Kulmala, M., Worsnop, D. R., Winkler, P. M., Dommen, J. & Baltensperger, U., 4 Jan 2018, In : Atmospheric Chemistry and Physics. 18, 1, p. 65-79 15 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. Causes and importance of new particle formation in the present-day and preindustrial atmospheres

    Gordon, H. , Kirkby, J. , Baltensperger, U. , Bianchi, F. , Breitenlechner, M. , Curtius, J. , Dias, A. , Dommen, J. , Donahue, N. M. , Dunne, E. M. , Duplissy, J. , Ehrhart, S. , Flagan, R. C. , Frege, C. , Fuchs, C. , Hansel, A. , Hoyle, C. R. , Kulmala, M. , Kurten, A. , Lehtipalo, K. & 12 others Makhmutov, V., Molteni, U., Rissanen, M. P., Stozkhov, Y., Trostl, J., Tsagkogeorgas, G., Wagner, R., Williamson, C., Wimmer, D., Winkler, P. M., Yan, C. & Carslaw, K. S., 27 Aug 2017, In : Journal of Geophysical Research : Atmospheres. 122, 16, p. 8739-8760 22 p.

    Research output: Contribution to journalArticleScientificpeer-review

  4. The role of ions in new particle formation in the CLOUD chamber

    Wagner, R. , Yan, C. , Lehtipalo, K. , Duplissy, J. , Nieminen, T. , Kangasluoma, J. , Ahonen, L. R. , Dada, L. , Kontkanen, J. , Manninen, H. E. , Dias, A. , Amorim, A. , Bauer, P. S. , Bergen, A. , Bernhammer, A-K. , Bianchi, F. , Brilke, S. , Mazon, S. B. , Chen, X. , Draper, D. C. & 53 others Fischer, L., Frege, C., Fuchs, C., Garmash, O., Gordon, H., Hakala, J., Heikkinen, L., Heinritzi, M., Hofbauer, V., Hoyle, C. R., Kirkby, J., Kurten, A., Kvashnin, A. N., Laurila, T., Lawler, M. J., Mai, H., Makhmutov, V., Mauldin III, R. L., Molteni, U., Nichman, L., Nie, W., Ojdanic, A., Onnela, A., Piel, F., Quelever, L. L. J., Rissanen, M. P., Sarnela, N., Schallhart, S., Sengupta, K., Simon, M., Stolzenburg, D., Stozhkov, Y., Trostl, J., Viisanen, Y., Vogel, A. L., Wagner, A. C., Xiao, M., Ye, P., Baltensperger, U., Curtius, J., Donahue, N. M., Flagan, R. C., Gallagher, M., Hansel, A., Smith, J. N., Tome, A., Winkler, P. M., Worsnop, D., Ehn, M., Sipilä, M., Kerminen, V-M., Petäjä, T. & Kulmala, M., 21 Dec 2017, In : Atmospheric Chemistry and Physics. 17, 24, p. 15181-15197 17 p.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Reduced anthropogenic aerosol radiative forcing caused by biogenic new particle formation

    Gordon, H. , Sengupta, K. , Rap, A. , Duplissy, J. , Frege, C. , Williamson, C. , Heinritzi, M. , Simon, M. , Yan, C. , Almeida, J. , Trostl, J. , Nieminen, T. , Ortega, I. K. , Wagner, R. , Dunne, E. M. , Adamov, A. , Amorim, A. , Bernhammer, A-K. , Bianchi, F. , Breitenlechner, M. & 61 others Brilke, S., Chen, X., Craven, J. S., Dias, A., Ehrhart, S., Fischer, L., Flagan, R. C., Franchin, A., Fuchs, C., Guida, R., Hakala, J., Hoyle, C. R., Jokinen, T., Junninen, H., Kangasluoma, J., Kim, J., Kirkby, J., Krapf, M., Kuerten, A., Laaksonen, A., Lehtipalo, K., Makhmutov, V., Mathot, S., Molteni, U., Monks, S. A., Onnela, A., Peräkylä, O., Piel, F., Petaja, T., Praplan, A. P., Pringle, K. J., Richards, N. A. D., Rissanen, M. P., Rondo, L., Sarnela, N., Schobesberger, S., Scott, C. E., Seinfeldo, J. H., Sharma, S., Sipilä, M., Steiner, G., Stozhkov, Y., Stratmann, F., Tome, A., Virtaneni, A., Vogel, A. L., Wagner, A. C., Wagner, P. E., Weingartner, E., Wimmer, D., Winkler, P. M., Ye, P., Zhang, X., Hansel, A., Dommen, J., Donahue, N. M., Worsnop, D. R., Baltensperger, U., Kulmala, M., Curtius, J. & Carslaw, K. S., 25 Oct 2016, In : Proceedings of the National Academy of Sciences of the United States of America. 113, 43, p. 12053-12058 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  6. Heterogeneous ice nucleation of viscous secondary organic aerosol produced from ozonolysis of alpha-pinene

    Ignatius, K. , Kristensen, T. B. , Jaervinen, E. , Nichman, L. , Fuchs, C. , Gordon, H. , Herenz, P. , Hoyle, C. R. , Duplissy, J. , Garimella, S. , Dias, A. , Frege, C. , Hoeppel, N. , Troestl, J. , Wagner, R. , Yan, C. , Amorim, A. , Baltensperger, U. , Curtius, J. , Donahue, N. M. & 10 others Gallagher, M. W., Kirkby, J., Kulmala, M., Moehler, O., Saathoff, H., Schnaiter, M., Tome, A., Virtanen, A., Worsnop, D. & Stratmann, F., 2016, In : Atmospheric Chemistry and Physics. 16, 10, p. 6495-6509 15 p.

    Research output: Contribution to journalArticleScientificpeer-review

  7. On the accuracy of ion measurements using a Neutral cluster and Air Ion Spectrometer

    Wagner, R., Manninen, H. E., Franchin, A., Lehtipalo, K., Mirme, S., Steiner, G., Petäjä, T. & Kulmala, M., 23 May 2016, In : Boreal Environment Research. 21, 3-4, p. 230-241 12 p.

    Research output: Contribution to journalArticleScientificpeer-review

  8. The role of low-volatility organic compounds in initial particle growth in the atmosphere

    Troestl, J. , Chuang, W. K. , Gordon, H. , Heinritzi, M. , Yan, C. , Molteni, U. , Ahlm, L. , Frege, C. , Bianchi, F. , Wagner, R. , Simon, M. , Lehtipalo, K. , Williamson, C. , Craven, J. S. , Duplissy, J. , Adamov, A. , Almeida, J. , Bernhammer, A-K. , Breitenlechner, M. , Brilke, S. & 50 others Dias, A., Ehrhart, S., Flagan, R. C., Franchin, A., Fuchs, C., Guida, R., Gysel, M., Hansel, A., Hoyle, C. R., Jokinen, T., Junninen, H., Kangasluoma, J., Keskinen, H., Kim, J., Krapf, M., Kuerten, A., Laaksonen, A., Lawler, M., Leiminger, M., Mathot, S., Moehler, O., Nieminen, T., Onnela, A., Petäjä, T., Piel, F. M., Miettinen, P., Rissanen, M. P., Rondo, L., Sarnela, N., Schobesberger, S., Sengupta, K., Sipilä, M., Smith, J. N., Steiner, G., Tome, A., Virtanen, A., Wagner, A. C., Weingartner, E., Wimmer, D., Winkler, P. M., Ye, P., Carslaw, K. S., Curtius, J., Dommen, J., Kirkby, J., Kulmala, M., Riipinen, I., Worsnop, D. R., Donahue, N. M. & Baltensperger, U., 26 May 2016, In : Nature. 533, 7604, p. 527-531

    Research output: Contribution to journalArticleScientificpeer-review

  9. Ion-induced nucleation of pure biogenic particles

    Kirkby, J. , Duplissy, J. , Sengupta, K. , Frege, C. , Gordon, H. , Williamson, C. , Heinritzi, M. , Simon, M. , Yan, C. , Almeida, J. , Troestl, J. , Nieminen, T. , Ortega, I. K. , Wagner, R. , Adamov, A. , Amorim, A. , Bernhammer, A-K. , Bianchi, F. , Breitenlechner, M. , Brilke, S. & 58 others Chen, X., Craven, J., Dias, A., Ehrhart, S., Flagan, R. C., Franchin, A., Fuchs, C., Guida, R., Hakala, J., Hoyle, C. R., Jokinen, T., Junninen, H., Kangasluoma, J., Kim, J., Krapf, M., Kuerten, A., Laaksonen, A., Lehtipalo, K., Makhmutov, V., Mathot, S., Molteni, U., Onnela, A., Peräkylä, O., Piel, F., Petäjä, T., Praplan, A. P., Pringle, K., Rap, A., Richards, N. A. D., Riipinen, I., Rissanen, M. P., Rondo, L., Sarnela, N., Schobesberger, S., Scott, C. E., Seinfeld, J. H., Sipilä, M., Steiner, G., Stozhkov, Y., Stratmann, F., Tome, A., Virtanen, A., Vogel, A. L., Wagner, A. C., Wagner, P. E., Weingartner, E., Wimmer, D., Winkler, P. M., Ye, P., Zhang, X., Hansel, A., Dommen, J., Donahue, N. M., Worsnop, D. R., Baltensperger, U., Kulmala, M., Carslaw, K. S. & Curtius, J., 26 May 2016, In : Nature. 533, 7604, p. 521-526

    Research output: Contribution to journalArticleScientificpeer-review

  10. Phase transition observations and discrimination of small cloud particles by light polarization in expansion chamber experiments

    Nichman, L. , Fuchs, C. , Järvinen, E. , Ignatius, K. , Hoeppel, N. F. , Dias, A. , Heinritzi, M. , Simon, M. , Trostl, J. , Wagner, A. C. , Wagner, R. , Williamson, C. , Yan, C. , Connolly, P. J. , Dorsey, J. R. , Duplissy, J. , Ehrhart, S. , Frege, C. , Gordon, H. , Hoyle, C. R. & 11 others Kristensen, T. B., Steiner, G., Donahue, N. M., Flagan, R., Gallagher, M. W., Kirkby, J., Moehler, O., Saathoff, H., Schnaiter, M., Stratmann, F. & Tome, A., 2016, In : Atmospheric Chemistry and Physics. 16, 5, p. 3651-3664 14 p.

    Research output: Contribution to journalArticleScientificpeer-review

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