Anomalous piezoelectricity and conductivity in aligned carbon nanotubes
M. V. Il’ina, O. I. Il’in, A. V. Gur’yanov, O I Osotova, Yuriy F. Blinov, A A Fedotov, О. А. Агеев
Abstract
Using PFM, it is shown that aligned carbon nanotubes have abnormally large piezoelectric strain coefficient of 203 ± 18 pm V<sup>−1</sup>. The piezoelectric properties of CNTs can cause a significant decrease in conductivity and a hysteresis in <italic>I–V</italic> characteristics.
Topics & Concepts
Materials sciencePiezoelectricityCarbon nanotubeHysteresisConductivityCarbon fibersPiezoelectric coefficientElectrical resistivity and conductivityComposite materialStrain (injury)Condensed matter physicsNanotechnologyPhysical chemistryComposite numberInternal medicinePhysicsMedicineElectrical engineeringChemistryEngineeringCarbon Nanotubes in CompositesMechanical and Optical ResonatorsForce Microscopy Techniques and Applications