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29 March 2024
 
  » pubmed » pmid4598036

 Article overview


Spectroscopy of biological compounds with inelastic electron tunneling
P K Hansma ; R V Coleman ;
Date 28 Jun 1974
Journal Science, 184 (144), 1369-71
AbstractMetal-insulator-metal electron tunnel junctions can be doped with a solution of an organic compound by placing a drop of the solution on the insulator and spinning of the excess. Electrical measurement of the second derivative of voltage with respect to current, as a function of applied voltage, then gives a spectrum of vibrational modes equivalent to an infrared or Raman spectrum, but with the use of only micrograms of sample.
Source PubMed, pmid4598036
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