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Northwest Missouri State University

Scanning tunneling microscopy (Photo by University Photography)

Scanning tunneling microscopy (STM)

STM is a powerful instrument for imaging conducting or semiconducting surfaces at the atomic level and can be used in ultra high vacuum, air, water, and various other liquid or gas atmosphere environments at near zero Kelvin to a few hundred degrees Celsius. Application includes imaging of alloy surfaces, monolayer, liquid-solid interface, and a large number of electrochemical processes down to atomic level.