A few years later, the engineers Ernst Ruska and Max Knoll built the first electron microscope, which was more powerful than any light microscope. Given that electron waves are diffracted by much ...
The groundwork for the development of SEM was laid by physicists Louis de Broglie, Max Knoll and Ernst Ruska. In the 1920s, de Broglie proposed the wave-particle duality of matter, which became a ...