field-desorption microscope

field-desorption microscope

[′fēld dē‚sȯrp·shən ‚mī·krə‚skōp]

(electronics)

A type of field-ion microscope in which the tip specimen is imaged by ions that are field-desorbed or field-evaporated directly from the surface rather than by ions obtained from an externally supplied gas.