It depends how you want to characterize them (what information you want to know about the material). SEM and TEM are almost certainly the best way to characterize nano-scale materials (a picture is worth a thousand words, right?). However, other techniques, such as spectroscopy, BET isotherms and a variety of other electronic and optical methods are also extremely important.
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A scanning electron microscope (SEM) uses a focused beam of electrons to generate high-resolution, three-dimensional images of a sample's surface. It has a higher magnification and resolution compared to an optical microscope, allowing for detailed imaging of nano-scale structures. SEMs are versatile instruments that can be used to analyze a wide range of materials in fields such as biology, materials science, and geology.
SEM stands for Scanning Electron Miscroscopy. An SEM examination is a method of examining artifacts to discover information of its age and other information such as the conditions it was in over that time. Anyone with more precise information, please contribute.
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A SEM microscope is a scanning electron microscope
Sem Dresden died in 1957.
Sem Dresden was born in 1881.
Sem Sæland was born in 1874.
Sem Sæland died in 1940.
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