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Scanning electron microscope

A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. The electrons interact with atoms in the sample, producing various signals that contain information about the surface topography and composition. The electron beam is scanned in a raster scan…

History, Sample preparation & Gallery of SEM images

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Overview

History

Principles and capacities

Sample preparation

Scanning process and image formation

Detection of secondary electrons

Detection of backscattered electrons

Beam-injection analysis of semiconductors

Cathodoluminescence

X-ray microanalysis

Complementary techniques

Resolution of the SEM

Environmental SEM

Transmission SEM and Energy Loss Spectroscopy

SEM in forensic science

Color in SEM

3D in SEM

Gallery of SEM images

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Scanning electron microscope

Nodes169
Edges168
Triples52
Avg. degree1.99
Density0.011834
Components1

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Scanning electron microscope

Top relations

related to External links · 14
Scanning electron microscope → An, Applied SciencesAnimations, BSEVideo, Environmental Scanning Electron Microscope, ESEM, How Scanning Electron Microscopes, HowStuffWorks, Karlsruhe University, Microscopy AustraliaVirtual SEM, Multichannel, Provided, SEM, Université Paris Sud, WorkLearn
related to 3D SEM reconstruction from a stereo pair · 10
Scanning electron microscope → An SEM, Contrary, GIF, MountainsSEM, Ostracoda, Photogrammetry, Ra, SEM, Such, The
see also · 7
Scanning electron microscope → Applications, Ted, TEM, Transmission, Turnip Town, World's, X-ray

Important terminology Word statistics

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Important terminology

sem electron image electrons sample beam specimen images used surface detector secondary microscopy materials using resolution samples 3d scanning method

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
woodinstance ofdry materials0.80text
boneinstance ofdry materials0.80text
feathersinstance ofdry materials0.80text
dried insectsinstance ofdry materials0.80text
or shellsinstance ofdry materials0.80text
ethanol or acetoneinstance ofthis is commonly achieved by replacement of water in the cells with organic solvents0.80text
and replacement of these solvents in turn with a transitional fluid such as liquid carbon dioxide by critical point dryinginstance ofthis is commonly achieved by replacement of water in the cells with organic solvents0.80text
epoxy resin or electrically conductive double-sided adhesive tapeinstance ofliquid interface is present within the sample during drying.The dry specimen is usually mounted on a specimen stub using an adhesive0.80text
and sputter-coated with gold or gold/palladium alloy before examination in the microscopeinstance ofliquid interface is present within the sample during drying.The dry specimen is usually mounted on a specimen stub using an adhesive0.80text
iceinstance ofis also applicable to the imaging of temperature-sensitive materials0.80text
fats.Freeze-fracturinginstance ofis also applicable to the imaging of temperature-sensitive materials0.80text
freeze-etch or freeze-and-break is a preparation method particularly useful for examining lipid membranesinstance ofis also applicable to the imaging of temperature-sensitive materials0.80text

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