STXM Spectromicroscopy Particle Analysis Routines

バージョン 1.0.0.0 (1.2 MB) 作成者: Ryan Moffet
Spectromicroscopic analysis of atmospheric nanoparticles (aerosols)
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更新 2010/10/19

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An automated data analysis method for atmospheric particles using scanning transmission X-ray microscopy coupled with near edge X-ray fine structure spectroscopy (STXM/NEXAFS). This method is applied to complex internally mixed submicron particles containing organic and inorganic material. Several algorithms were developed to exploit NEXAFS spectral features in the energy range from 278-320 eV for quantitative mapping of the spatial distribution of elemental carbon, organic carbon, potassium, and non-carbonaceous elements in particles of mixed composition. This energy range encompasses the carbon K-edge and potassium L2 and L3 edges. STXM/NEXAFS maps of different chemical components were complemented with a subsequent analysis using elemental maps obtained by scanning electron microscopy coupled with energy dispersive X-ray analysis (SEM/EDX). We demonstrate application of the automated mapping algorithms for data analysis and the statistical classification of particles.

引用

Ryan Moffet (2024). STXM Spectromicroscopy Particle Analysis Routines (https://www.mathworks.com/matlabcentral/fileexchange/29085-stxm-spectromicroscopy-particle-analysis-routines), MATLAB Central File Exchange. 取得済み .

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