- Materials Science, general 9
- Biological and Medical Physics, Biophysics 7
- Microwaves, RF and Optical Engineering 6
- Optical and Electronic Materials 6
- Optics, Lasers, Photonics, Optical Devices 6
- Artificial Intelligence 5
- Characterization and Evaluation of Materials 5
- Nanotechnology 4
- Data Mining and Knowledge Discovery 3
- Information Storage and Retrieval 3
- Metallic Materials 3
- Neurosciences 3
- Structural Materials 3
- Surfaces and Interfaces, Thin Films 3
- Biochemistry, general 2
- Biotechnology 2
- Classical Mechanics 2
- Computer Communication Networks 2
- Crystallography and Scattering Methods 2
- Database Management 2