Columbia subject headings:
Scanning tunneling microscopy.
Surfaces (Technology)--Analysis.
Harvard subject headings:
Atomic force microscopy.
Electric insulators and insulation--Testing
Metals--Surfaces--Analysis.
Scanning tunneling microscopy.
Semiconductors--Testing.
Surfaces (Technology)--Analysis
Princeton subject headings:
Atomic force microscopy.
Scanning tunneling microscopy.
Surfaces (Physics)--Optical properties.