A Framework for Computing Transport Properties of Carbon Nanotube-based Conductance Biochemical Sensors

C. Roman (1) , C. Ciuntu (1) , B. Courtois (1)

1 TIMA - Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés

In this paper we present a framework for fast quantum conductance calculations of carbon nanotube-based sensing devices targeting aromatic amino acids within a tight binding approximation. The method begins by a novel parameterization procedure based on isospectral matrix flows. With the properly parameterized Hamiltonian we employ a linearly scaling algorithm to compute the quantum conductance in the coherent transport regime. A few conclusions are presented regarding the suitability of carbon nanotubes in aromatic amino acid detection.

Mots clés: carbon nanotubes; conductance sensors; biochemical detection; renormalization flows; congruence transformations; quantum conductance

Domaines: Science des matériaux [cond-mat.mtrl-sci]

C. Roman, C. Ciuntu, B. Courtois. A Framework for Computing Transport Properties of Carbon Nanotube-based Conductance Biochemical Sensors. ENS 2005, Dec 2005, Paris, France. pp.63-68. ⟨hal-00166987⟩