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Tight Binding Approach to DNA Electronics
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Artikel-Nr:
9783659557668
Veröffentl:
2014
Einband:
Paperback
Erscheinungsdatum:
30.06.2014
Seiten:
80
Autor:
Sadeq Malakooti
Gewicht:
137 g
Format:
220x150x5 mm
Sprache:
Englisch
Beschreibung:
Sadeq Malakooti holds BSc/MSc degrees in Mechanical Engineering with a concentration on vibrations and acoustics from University of Birjand and Iran University of Science and Technology. In addition, he holds a MSc degree in Physics from Ball State University. He is currently working on the electronic structure of metal surfaces.
In recent years, the electronic behavior of DNA molecules has received much interest ranging from interpreting experimental results to electronic based applications, including DNA sequencing and DNA-based nanotransistors. Here we study the electronic properties of poly(G)-poly(C) double stranded DNA molecules by means of the tight binding approximation to understand how the molecules act under different physical conditions. For instance, the effects of DNA tilting, stretching and compressing on the electronic properties are elucidated. Very interesting features such as a tunable energy band gap and a metal-semiconductor transition are disclosed for DNA under different conditions.