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Scanning electron microscope
The scanning electron microscope (SEM) is a type of electron microscope capable of producing high resolution images of a sample surface. Due to the manner in which the image is created, SEM images ... > more -
Formaldehyde
The chemical compound formaldehyde (also known as methanal), is a gas with a strong pungent smell. Formaldehyde readily results from the incomplete combustion of carbon-containing materials. It may ... > more -
Quantum dot
A quantum dot is a semiconductor nanostructure that confines the motion of conduction band electrons, valence band holes, or excitons (bound pairs of conduction band electrons and valence band holes) ... > more -
Chemical bond
A chemical bond is the physical phenomenon of chemical substances being held together by attraction of atoms to each other through sharing, as well as exchanging, of electrons -or electrostatic ... > more
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