Energy dispersive spectroscopy 28 Scanning electron microscopy 22 X ray diffraction 10 Synthesis (chemical) 6 X ray diffraction analysis 6 X ray spectroscopy 6 priority journal 6 Chemical detection 4 Cyclic voltammetry 4 Energy dispersive x-ray spectroscopy 4 Fourier transform infrared spectroscopy 4 Infrared spectroscopy 4 Magnetic fields 4 Metals 4 Multiwalled carbon nanotubes (MWCN) 4 Nanomagnetics 4 Nanoparticles 4 Oxide films 4 Silicones 4 Sol-gel 4 Sol-gel process 4 Sol-gels 4 Transmission electron microscopy 4 X ray photoelectron spectroscopy 4 X ray scattering 4 Yarn 4 article 4 carboxylic acid 4 chemical structure 4 porosity 4