There are several different types of electron microscopes, including the transmission electron microscope (TEM), scanning electron microscope (SEM), and reflection electron microscope (REM.) Each of ...
Electron microscopy is a powerful imaging technique that utilizes a beam of accelerated electrons to visualize and analyze the structure, composition, and properties of materials at the nanoscale.
Electron microscopes are extremely versatile instruments, which can offer various types of information according to the user’s requirements. In this article, the different types of electrons that are ...
SEM is one of the most widely used electron microscopy techniques and its use is growing across many scientific fields. In SEM, an electron gun fires a beam of high energy electrons towards a sample.
Scanning electron microscopy (SEM) uses a finely focused beam of electrons in order to produce a high resolution image of a sample. SEM images have a three dimensional appearance, which is very useful ...
Conventional light microscopy has its limits. Light, being a wave, is subject to diffraction which severely limits the size of structures one can resolve. To be able to observe parts of an organism ...
Microscopy techniques have been around for many decades and are always improving. The field itself has had to improve because the samples being analyzed have been getting smaller and smaller, ...
When Ondrej Krivanek first considered building a device to boost the resolution of electron microscopes, he asked about funding from the U.S. Department of Energy. “The response was not positive,” he ...
Researchers have shown that expensive aberration-corrected microscopes are no longer required to achieve record-breaking microscopic resolution. Researchers at the University of Illinois at ...