The diamonds might have formed soon after Mercury itself coalesced into ... at changes in the chemistry and minerals under an electron microscope and noted that the graphite had turned into ...

SEM stands for scanning electron microscope. The SEM is a microscope that uses electrons instead of light to form an image. Since their development in the early 1950's, scanning electron microscopes ...

Knowledge of the microscopic structure and composition of materials is essential for understanding their properties and designing functional devices. Microscopy techniques based on electrons and X ...