Scanning transmission x-ray microscopy (STXM) combines x-ray microscopy and near edge x-ray absorption fine structure spectroscopy (NEXAFS). This combination provides spatially resolved bonding and oxidation state information. While there are reviews relevant to STXM/NEXAFS applications in other environmental fields1-4 (and magnetic materials5) this chapter focuses on atmospheric aerosols. It provides an introduction to this technique in a manner approachable to non-experts. It begins with relevant background information on synchrotron radiation sources and a description of NEXAFS spectroscopy. The bulk of the chapter provides a survey of STXM/NEXAFS aerosol studies and is organized according to the type of aerosol investigated. The purpose is to illustrate the current range and recent growth of
scientific investigations employing STXM-NEXAFS to probe atmospheric aerosol morphology, surface coatings, mixing states, and atmospheric processing.
Revised: January 5, 2011 |
Published: December 21, 2010
Citation
Moffet R.C., A.V. Tivanski, and M.K. Gilles. 2010.Scanning Transmission X-ray Microscopy: Applications in Atmospheric Aerosol Research. In Fundamentals and Applications of Aerosol Spectroscopy, edited by R Signorell and J Reid. 419-462. Boca Raton, Florida:CRC Press.