Tailoring Electrical Properties of SWCNT’s by Deformation Method

Abstract

For more efficient energy distribution system, we need a high efficiency material for charge transport. In present work we combined continuum mechanics methods for studying the effect of strain on CNT, and the change in electrical parameters as a result of CNT deformation using first principal method. We found that on applying stress on SWCNT’s, the bond lengths increase near the point of applied force from 1.42 to 1.88Å (just below the applied force and on opposite face it changes from 1.42 to 2.24 Å), and at the edged region, the bond length decreases from 1.42 to 1.28 on both side. Further there is decrease in trans conductance in A (6,6) and A(8,8), due to induces gap opening i.e. splitting of band in high energy region