T. Petaja

Latest

• Ion-induced sulfuric acid-ammonia nucleation drives particle formation in coastal Antarctica
• Measuring atmospheric ion bursts and their dynamics using mass spectrometry
• Atmospheric ions and nucleation: a review of observations
• Characterisation of corona-generated ions used in a Neutral cluster and Air Ion Spectrometer (NAIS)
• Growth rates of nucleation mode particles in Hyytiala during 2003-2009: variation with particle size, season, data analysis method and ambient conditions
• Intercomparison of air ion spectrometers: an evaluation of results in varying conditions
• A high-resolution mass spectrometer to measure atmospheric ion composition
• Atmospheric data over a solar cycle: no connection between galactic cosmic rays and new particle formation
• Atmospheric nucleation: highlights of the EUCAARI project and future directions
• EUCAARI ion spectrometer measurements at 12 European sites - analysis of new particle formation events
• On the roles of sulphuric acid and low-volatility organic vapours in the initial steps of atmospheric new particle formation