- Analytical Chemistry 16
- Atomic/Molecular Structure and Spectra 9
- Optics, Lasers, Photonics, Optical Devices 8
- Characterization and Evaluation of Materials 7
- Inorganic Chemistry 7
- Physical Chemistry 7
- Materials Science, general 5
- Nuclear Physics, Heavy Ions, Hadrons 5
- Condensed Matter Physics 4
- Theoretical, Mathematical and Computational Physics 4
- Chemistry/Food Science, general 3
- Industrial Chemistry/Chemical Engineering 3
- Measurement Science and Instrumentation 3
- Organic Chemistry 3
- Physics, general 3
- Solid State Physics 3
- Atomic, Molecular, Optical and Plasma Physics 2
- Ceramics, Glass, Composites, Natural Materials 2
- Classical and Continuum Physics 2
- Earth Sciences, general 2