Magnetism Magnetic materials 14 Superconductivity 13 Superconductors 13 Optical Materials 12 Optical materials 12 Nanotechnology 11 Condensed matter 9 Mat�eriaux magn�etiques 9 Condensed Matter Physics 8 Magn�etisme 8 Physics 8 Microwaves, RF Engineering and Optical Communications 7 Telecommunication 7 magnetism 7 Characterization and Analytical Technique 6 Electronics 6 Electronics and Microelectronics, Instrumentation 6 Metals 6 SCIENCE 6 Surfaces (Technology) 6 Surfaces, Interfaces and Thin Film 6 Thin films 6 Electric power production 5 Electrical Power Engineering 5 Electronic Circuits and Systems 5 Electronic circuits 5 Materials-Analysis 5 Metals and Alloys 5 Nanoscience 5