Condensed Matter Physics Condensed matter 31 Magnetism Spectroscopy 9 Spectrum analysis 9 Superconductivity 7 Superconductors 7 Nanotechnology 6 Quantum Physics 6 Quantum physics 6 Optical Materials 5 Optical materials 5 Classical Electrodynamics 4 Electrodynamics 4 Engineering 4 Laser 4 Lasers 4 Nanophysics 4 Nanoscience 4 Surfaces (Technology) 4 Surfaces, Interfaces and Thin Film 4 Technology and Engineering 4 Thin films 4 Characterization and Analytical Technique 3 Electronics 3 Electronics and Microelectronics, Instrumentation 3 Mathematical Methods in Physics 3 Mathematical physics 3 Metals 3 Metals and Alloys 3