Scanning auger microprobe and energy dispersive x-ray analysis of metallic alloys. Development of continuous emission monitors to measure the elemental concentrations of hazardous effluents in process or exhaust streams employing atomic absorption, inductively coupled plasma spectrometry, and flame spectrometry. Applications of high-resolution optical spectroscopy to the characterization of materials. Development of laser-based methods for materials processing and characterization. Trace elemental, isotopic, and organic analysis.
Ionization processes for mass spectrometry.
Fundamental studies of inductively coupled plasmas. New techniques for mass separation and detection. Sample introduction and nebulization for analytical atomic spectroscopy. Developing x-ray techniques for material characterization and inspection, including transmission and backscatter measurements. Analytical applications of high-resolution laser spectroscopy, electrothermal vaporization laser atomic absorption and fluorescence spectrometry, optogalvanic spectroscopy, diode laser spectroscopy, multiphoton ionization mass spectrometry,laser decontamination of metals, piezoelectric mass sensors.