Nanotechnology Optical Materials Optical materials 147 Nanophysics 41 Nanoscience 41 Microelectromechanical systems 39 Microsystems and MEMS 39 Microtechnology 39 Laser 34 Lasers 34 Condensed Matter Physics 31 Condensed matter 31 Electronics 30 Electronics and Microelectronics, Instrumentation 30 Characterization and Analytical Technique 22 Materials-Analysis 17 Semiconductors 15 Surfaces (Technology) 13 Surfaces, Interfaces and Thin Film 13 Thin films 13 Nanochemistry 12 Spectroscopy 12 Spectrum analysis 12 Engineering 11 Technology and Engineering 11 Polymers 10 Materials Science 9 Materials science 9 Physical Chemistry 8 Physical chemistry 8