Results

Here you  can read more about what has been accomplished using the ALCATRAS experiment. For further questions please contact one of the participating scientists.

Some abstracts of published articles:

Supercooling of single H₂SO₄/H₂O aerosols to 158 K: No evidence for the occurrence of the octahydrate.
Ulrich K. Krieger, Christina A. Colberg, Uwe Weers, Thomas Koop, and Thomas Peter
Geophysical Research Letters, 27(14), 2097-2100 (2000)
Abstract

Light-scattering intensity fluctuations in single aerosol particles during deliquescence
Ulrich K. Krieger and Christian Braun
Journal of Quantitative Spectroscopy and Radiative Transfer, 70,  545-554 (2001)
Abstract

Two-dimensional angular light-scattering in aqueous NaCl single aerosol particles during deliquescence and efflorescence
Christian Braun and Ulrich K. Krieger
Optics Express, 8, 314-321 (2001), (PDF version)
Abstract

An experimental examination of intensity fluctuations of a host droplet containing an inclusion
Ulrich. K. Krieger, Christian Braun, Lukas Imbach, Thomas Koop, Thierry Corti, and Gorden Videen
Journal of Quantitative Spectroscopy and Radiative Transfer, 79-80,  873-880 (2003)
Abstract

Using photon-counting histograms to characterize levitated liquid aerosol particles with a single, solid inclusion
Ulrich K. Krieger, Thierry Corti, and Gorden Videen
Journal of Quantitative Spectroscopy & Radiative Transfer, 89, 191-200 (2004)
Abstract

Morphological Investigations of Single Levitated H₂SO₄/NH₃/H₂O Aerosol Particles during Deliquescence/Efflorescence Experiments
Christina A. Colberg, Ulrich K. Krieger, and Thomas Peter
Journal of Physical Chemistry A, 108, 2700-2709 (2004)
Abstract

Phase Changes during Hygroscopic Cycles of Mixed Organic/Inorganic Model Systems of Tropospheric Aerosols
Claudia Marcolli and Ulrich K. Krieger
Journal of Physical Chemistry A, 110, 1881-1893 (2006)
Abstract

White light Mie resonance spectroscopy used to measure very low vapor pressures of substances in aqueous solution aerosol particles
Alessandro A. Zardini, Ulrich K. Krieger, and Claudia Marcolli
Optics Express, 15, 6951-6962 (2006) (PDF Version)
Abstract

Hygroscopic growth and water uptake kinetics of two-phase aerosol particles consisting of ammonium sulfate, adipic and humic acid mixtures
Staffan Sjorgren , Martin Gysel, Ernest Weingartner, Urs Baltensperger, M. J. Cubison, H. Coe, Alessandro A. Zardini, Claudia Marcolli, Ulrich K. Krieger, and Thomas Peter
Journal of Aerosol Science, 38, 157-171 (2007)
Abstract

Using dynamic light scattering to characterize mixed phase single particles levitated in a quasi-electrostatic balance
Ulrich. K. Krieger and Alessandro A. Zardini
Faraday Discussions, 137, 377-388 (2008)
Abstract

A combined particle trap/HTDMA hygroscopicity study of mixed inorganic/organic aerosol particles
Alessandro A. Zardini, Staffan Sjogren, Claudia Marcolli, Ulrich K. Krieger, Martin Gysel, Ernest Weingartner, Urs Baltensperger and Thomas Peter
Atmospheric Chemistry and Physics, 8, 5589-5601 (2008) (PDF)

Abstract

Evaporation kinetics of a non-spherical, levitated aerosol particle using optical resonance spectroscopy for precision sizing
Alessandro A. Zardini and  Ulrich K. Krieger
Optics Express, 17, 4659-4669 (2009) (PDF)
Errata: Optics Express, 18, 10760-10761 (2010) (PDF)

Abstract

The vapor pressures and activities of dicarboxylic acids reconsidered: the impact of the physical state of the aerosol
Vacharaporn Soonsin, Alessandro A. Zardini, Claudia Marcolli, Andreas Zuend , and Ulrich K. Krieger
Atmospheric Chemistry and Physics, 10, 11753–11767 (2010) (PDF)
Abstract

Ultra-slow water diffusion in aqueous sucrose glasses
Bernhard Zobrist, Vacharaporn Soonsin, Beiping Luo, Ulrich K. Krieger, Claudia Marcolli, Thomas Peter, and Thomas Koop
Physical Chemistry Chemical Physics, 13, 3514–3526 (2011) (PDF)
Abstract

Observations and calculations of two-dimensional angular optical scattering (TAOS) patterns of a single levitated cluster of two and four microspheres
Ulrich K. Krieger and Philip Meier
Journal of Quantitative Spectroscopy & Radiative Transfer, 112, 1761–1765 (2011)
Abstract full text

Measurements of Thermodynamic and Optical Properties of Selected Aqueous Organic and Organic−Inorganic Mixtures of Atmospheric Relevance
Daniel M. Lienhard, David L. Bones, Andreas Zuend, Ulrich K. Krieger, Jonathan P. Reid and Thomas Peter
The Journal of Physical Chemistry A, 116, 9954-9968 (2012)
Abstract full text