General Archives - Page 4 of 8 - Advancing Materials

(Left) Charging effect on a non-conductive sample. (Right) Backscatter electron detector imaging of this sample after 10 nm gold coating is applied.

Sputter Coating for SEM: How This Sample Preparation Technique A...

Challenging samples for SEM Scanning electron microsc... by Erik Luyk / 12.26.2019

Schematic of an electron being backscattered by the interaction with the atom nuclei.

Backscattered Electrons in SEM Imaging

Unlike optical microscopes, scanning electron microsc... by Erik Luyk / 12.20.2019

X-rays are generated using EDX following a two-step process. First, the energy transferred to the atomic electron knocks it off, leaving behind a hole. Second, its position is filled by another electron from a higher energy shell, and the characteristic X-ray is released.

EDX Analysis with SEM: How Does it Work?

From searching for food contaminants to identifying machine ... by Antonis Nanakoudis / 11.28.2019

Electron – matter interactions: the different types of signals generated

SEM: Types of Electrons and the Information They Provide

Electron microscopes are versatile instruments that can prov... by Antonis Nanakoudis / 11.21.2019

Basic components of an SEM

What is SEM? Scanning Electron Microscopy Explained

Scanning electron microscopes (SEMs) have become powerful an... by Antonis Nanakoudis / 11.14.2019

Illustration comparing the various electron emission sources. For thermionic sources the Wehnelt cylinder focuses the electrons as they flow toward the anode. In a field emission source, the first anode accelerates the electrons whereas the second anode focuses them.

How Do You Make an Electron Beam?

Sources of electrons Nothing is more essential to the electr... by Alex Ilitchev / 11.05.2019

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