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Hanna Vehkamäki

Hanna Vehkamäki

D-Index & Metrics

Chemistry

D-Index
71
Citations
19843
World Ranking
5485
National Ranking
24

Overview

Hanna Vehkamäki is affiliated with the University of Helsinki in Finland. Their research primarily focuses on Earth and Planetary Sciences with a significant corpus of work in Atmospheric Science. The scientist's contributions span several subfields including Spectroscopy, Atomic and Molecular Physics and Optics, Global and Planetary Change, and Biomedical Engineering.

Their work addresses key topics such as:

  • Atmospheric chemistry and aerosols
  • Atmospheric Ozone and Climate
  • Nanoparticles nucleation surface interactions
  • Atmospheric aerosols and clouds
  • Advanced Chemical Physics Studies
  • Mass Spectrometry Techniques and Applications
  • Advanced Chemical Sensor Technologies

Recent papers authored or co-authored by Vehkamäki include:

  • "Modeling the formation and growth of atmospheric molecular clusters: A review," published in 2020 in the Journal of Aerosol Science
  • "Quantum chemical studies of hydrate formation of H2SO4 and HSO4," published in 2024 in Helda (University of Helsinki)
  • "Atmospheric Sulfuric Acid-Dimethylamine Nucleation Enhanced by Trifluoroacetic Acid," published in 2020 in Geophysical Research Letters
  • "Structural Effects of Amines in Enhancing Methanesulfonic Acid-Driven New Particle Formation," published in 2020 in Environmental Science & Technology
  • "Impact of Quantum Chemistry Parameter Choices and Cluster Distribution Model Settings on Modeled Atmospheric Particle Formation Rates," published in 2020 in The Journal of Physical Chemistry A

Frequent co-authors in their research activities include:

  • Theo Kurtén
  • Jakub Kubečka
  • Bernhard Reischl
  • Juha Kangasluoma
  • Markku Kulmala

Their publications appear regularly in the following venues:

  • The Journal of Physical Chemistry A
  • Helda (University of Helsinki)
  • Atmospheric Chemistry and Physics
  • Journal of Aerosol Science
  • Physical Chemistry Chemical Physics

Best Publications

  • Formation and growth rates of ultrafine atmospheric particles: a review of observations

    M Kulmala;Hanna Tuula Katariina Vehkamäki;Tuukka Petäjä;M Dal Maso

  • Direct observations of atmospheric aerosol nucleation.

    Markku Kulmala;Jenni Kontkanen;Heikki Junninen;Katrianne Lehtipalo

  • Molecular understanding of sulphuric acid-amine particle nucleation in the atmosphere

    Joao Almeida;Joao Almeida;Siegfried Schobesberger;Andreas Kürten;Ismael K. Ortega

  • An improved parameterization for sulfuric acid-water nucleation rates for tropospheric and stratospheric conditions

    Hanna Tuula Katariina Vehkamäki;M Kulmala;I Napari;K E J Lehtinen

  • Amines are likely to enhance neutral and ion-induced sulfuric acid-water nucleation in the atmosphere more effectively than ammonia

    Theo Kurten;Ville Loukonen;Hanna Vehkamäki;Markku Kulmala

  • Molecular understanding of atmospheric particle formation from sulfuric acid and large oxidized organic molecules

    Siegfried Schobesberger;Heikki Junninen;Federico Bianchi;Gustaf Lönn

  • Classical nucleation theory in multicomponent systems

    Hanna Vehkamäki

  • Molecular-scale evidence of aerosol particle formation via sequential addition of HIO3.

    Mikko Sipilä;Nina Sarnela;Tuija Jokinen;Henning Henschel

  • Atmospheric Cluster Dynamics Code: a flexible method for solution of the birth-death equations

    Matthew Joseph Mcgrath;Matthew Joseph Mcgrath;T. Olenius;I. K. Ortega;V. Loukonen

  • From quantum chemical formation free energies to evaporation rates

    I. K. Ortega;O. Kupiainen;T. Kurtén;T. Olenius

  • Heterogeneous nucleation experiments bridging the scale from molecular ion clusters to nanoparticles.

    Paul M. Winkler;Gerhard Steiner;Aron Vrtala;Hanna Vehkamäki

  • Enhancing effect of dimethylamine in sulfuric acid nucleation in the presence of water – a computational study

    V. Loukonen;T. Kurtén;I. K. Ortega;H. Vehkamäki

  • Parametrization of ternary nucleation rates for H2SO4-NH3-H2O vapors

    I. Napari;M. Noppel;M. Noppel;H. Vehkamäki;M. Kulmala

  • Free energy barrier in the growth of sulfuric acid–ammonia and sulfuric acid–dimethylamine clusters

    T. Olenius;O. Kupiainen-Määttä;I. K. Ortega;Theo Kurtén

  • Composition and temporal behavior of ambient ions in the boreal forest

    M. Ehn;H. Junninen;Tuukka Petaja;T. Kurten

  • Ultrafine particle scavenging coefficients calculated from 6 years field measurements

    Lauri Laakso;Tiia Grönholm;Üllar Rannik;Miriam Kosmale;Miriam Kosmale

  • The role of highly oxygenated organic molecules in the Boreal aerosol-cloud-climate system

    Pontus Roldin;Mikael Ehn;Theo Kurtén;Tinja Olenius

  • Origin of the failure of classical nucleation theory: incorrect description of the smallest clusters.

    Joonas Merikanto;Evgeni Zapadinsky;Antti Lauri;Hanna Vehkamäki

  • The condensation particle counter battery (CPCB): A new tool to investigate the activation properties of nanoparticles

    Markku Kulmala;Genrik Mordas;Tuukka Petäjä;Tiia Grönholm

  • Modeling the formation and growth of atmospheric molecular clusters: A review

    Jonas Elm;Jakub Kubečka;Vitus Besel;Matias J. Jääskeläinen

  • New parameterization of sulfuric acid‐ammonia‐water ternary nucleation rates at tropospheric conditions

    J. Merikanto;I. Napari;H. Vehkamäki;T. Anttila

  • Fatty acids on continental sulfate aerosol particles

    H. Tervahattu;J. Juhanoja;V. Vaida;A. F. Tuck

Frequent Co-Authors

Markku Kulmala
Markku Kulmala University of Helsinki
Theo Kurtén
Theo Kurtén University of Helsinki
Kari E. J. Lehtinen
Kari E. J. Lehtinen University of Eastern Finland
Tuukka Petäjä
Tuukka Petäjä University of Helsinki
Ari Laaksonen
Ari Laaksonen Finnish Meteorological Institute
Ilona Riipinen
Ilona Riipinen Stockholm University
Heikki Junninen
Heikki Junninen University of Tartu
Mikael Ehn
Mikael Ehn University of Helsinki
Katrianne Lehtipalo
Katrianne Lehtipalo University of Helsinki
Douglas R. Worsnop
Douglas R. Worsnop University of Helsinki

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