Assertion: tunneling microscope | /r/HasProperty | instrument
Facets:
value: at the atomic level
type: OTHER
value: for imaging surfaces
type: PURPOSE
Source sentences:
text: A scanning tunneling microscope (STM) is an instrument for imaging surfaces at the atomic level.
text: SPM was founded in 1981, with the invention of the scanning tunneling microscope, an instrument for imaging surfaces at the atomic level.