Poynting vector and poynting theorem When electromagnetic wave travels in space, it carries energy and energy density is always associated with electric fields and magnetic fields. The rate of energy…
Day: December 26, 2020
Structure of Nanoparticles
Structure of Nanoparticles The structure of a nanoparticle of a material is generally determined by the chemical composition of the material, the number of atoms in the particle, and the…
Crystal Structure of Diamond and NaCl
Diamond cubic structure: Diamond has face centered structure (FCC) with the basis of two carbon atoms viz., ‘X’ and ‘Y’. The ‘X’ atom is located with an origin (0, 0,…
Basic principle of Nano Science and technology
Nanotechnology Nanotechnology (or “nanotech”) is the use of matter on an atomic, molecular, and supramolecular scale for industrial purposes. The earliest, widespread description of nanotechnology referred to the particular technological…