Nanophysics Nanoscience 168 Nanotechnology Microelectromechanical systems 81 Microsystems and MEMS 81 Microtechnology 81 Nanochemistry 44 Optical Materials 41 Optical materials 41 Laser 28 Lasers 28 Semiconductors 24 Spectroscopy 16 Spectrum analysis 16 Surface and Interface and Thin Film 15 Surfaces (Physics) 15 Surfaces (Technology) 15 Surfaces, Interfaces and Thin Film 15 Thin films 15 Characterization and Analytical Technique 11 Condensed Matter Physics 11 Condensed matter 11 Materials-Analysis 9 Polymers 9 Physical Chemistry 8 Physical chemistry 8 Building materials 7 Microwaves, RF Engineering and Optical Communications 7 Structural Materials 7 Telecommunication 7