Quantum‐Mechanical Reflection of Electrons at Metal‐Semiconductor Barriers: Electron Transport in Semiconductor‐Metal‐Semiconductor Structures

1966 ◽  
Vol 37 (7) ◽  
pp. 2683-2689 ◽  
Author(s):  
C. R. Crowell ◽  
S. M. Sze
2007 ◽  
Vol 121-123 ◽  
pp. 1387-1390 ◽  
Author(s):  
Predrag S. Krstić ◽  
Jack C. Wells ◽  
Miguel Fuentes-Cabrera ◽  
Dong Xu ◽  
James Weifu Lee

We calculate electron-transport properties within equilibrium, linear transport theory through the DNA nucleotide bases spanning two gold nanowires. Our quantum mechanical calculations show that single configurations of DNA bases A, C, T, and G have significantly different charge conductance characteristics. This result is consistent with the notion that it is possible to read the nucleotide base sequence on an individual DNA heteropolymer which is moving through a gap between electrically biased nanoelectrodes by measuring the changes in the electron-transport conductance.


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