Articles | Volume 14, issue 8
https://doi.org/10.5194/amt-14-5429-2021
https://doi.org/10.5194/amt-14-5429-2021
Research article
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09 Aug 2021
Research article | Highlight paper |  | 09 Aug 2021

The nano-scanning electrical mobility spectrometer (nSEMS) and its application to size distribution measurements of 1.5–25 nm particles

Weimeng Kong, Stavros Amanatidis, Huajun Mai, Changhyuk Kim, Benjamin C. Schulze, Yuanlong Huang, Gregory S. Lewis, Susanne V. Hering, John H. Seinfeld, and Richard C. Flagan

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Cited articles

Amanatidis, S., Kim, C., Spielman, S. R., Lewis, G. S., Hering, S. V., and Flagan, R. C.: The Spider DMA: A miniature radial differential mobility analyzer, Aerosol Sci. Technol., 54, 175–189, https://doi.org/10.1080/02786826.2019.1626974, 2020. a
Bonn, B. and Moortgat, G. K.: Sesquiterpene ozonolysis: Origin of atmospheric new particle formation from biogenic hydrocarbons, Geophys. Res. Lett., 30, 1585, https://doi.org/10.1029/2003GL017000, 2003. a
Bracewell, R. N. and Bracewell, R. N.: The Fourier transform and its applications, 2nd edn., vol. 31999, McGraw-Hill, New York, USA, 1986. a
Brown, L. M., Collings, N., Harrison, R. M., Maynard, A. D., Maynard, R. L., Kim, C. S., and Jaques, P. A.: Respiratory dose of inhaled ultrafine particles in healthy adults, Philos. Trans. R. Soc. A, 358, 2693–2705, https://doi.org/10.1098/rsta.2000.0678, 2000. a
Brunelli, N. A., Flagan, R. C., and Giapis, K. P.: Radial differential mobility analyzer for one nanometer particle classification, Aerosol Sci. Technol., 43, 53–59, https://doi.org/10.1080/02786820802464302, 2009. a, b
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We present the design, modeling, and experimental characterization of the nano-scanning electrical mobility spectrometer (nSEMS), a recently developed instrument that probes particle physical properties in the 1.5–25 nm range. The nSEMS has proven to be extremely powerful in examining atmospheric nucleation and the subsequent growth of nanoparticles in the CERN CLOUD experiment, which provides a valuable asset to study atmospheric nanoparticles and to evaluate their impact on climate.
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