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MICROSCOPY, SCANNING TUNNELING VIRGINIA M. AYRES
 

Summary: MICROSCOPY, SCANNING TUNNELING
VIRGINIA M. AYRES
LALITA UDPA
Michigan State University
East Lansing, Michigan
INTRODUCTION
Four years after its invention in 1982 (1), the scanning
tunneling microscope (STM) was awarded the 1986 Nobel
Prize for physics, one of only four such prestigious awards
given for a truly significant contribution to scientific
instrumentation. Since then, the family of scanning probe
microscopy (SPM) techniques, which includes scanning
tunneling microscopy, atomic force microscopy (24), mag-
netic force microscopy (5), near-field optical microscopy (6),
scanning thermal microscopy (7), and others, has revolu-
tionized studies of semiconductors, polymers, and biologi-
cal systems. The key capability of SPM is that, through a
controlled combination of feedback loops and detectors
with the raster motion of piezoelectric actuator, it enables
direct investigations of atomic-to-nanometer scale phe-

  

Source: Ayres, Virginia - Department of Electrical and Computer Engineering, Michigan State University

 

Collections: Materials Science; Biology and Medicine