Procedures whereby an aerosol is produced at a high temperature, for example by sparks, arcs, furnaces, lasers, cathodic sputtering or electron-beam.
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 735 (https://doi.org/10.1515/pac-2019-0203)