Scanning Transmission Electron Microscopy (STEM) is a high-resolution imaging technique that combines the principles of scanning electron microscopy with transmission electron microscopy. This method allows for the visualization of the internal structures of colloidal materials at the atomic level, providing crucial insights into their composition and morphology. By scanning a focused beam of electrons across a sample and detecting transmitted electrons, STEM delivers detailed images that help in understanding the properties of colloids and their interactions.
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