Gold contact to individual metallic carbon nanotubes: A sensitive nanosensor for high-pressure Auteur(s): Caillier Ch., Ayari A., Gouttenoire V., San Miguel A., Jourdain V., Picher Matthieu, Sauvajol J.-L. (Article) Publié: Applied Physics Letters, vol. 97 p.173111 (2010) Ref HAL: hal-00538721_v1 DOI: 10.1063/1.3507389 WoS: 000284233600054 Exporter : BibTex | endNote 19 Citations Résumé: A strong and universal piezoresistive effect is evidenced for individual metallic carbon nanotubes contacted to gold electrodes through high contact resistances. The effect is well explained through a pressure modulation of the tunnel barrier width at the contact. The pressure dependence (−16%/GPa) is much stronger than for standard resistive high pressure gauges, and it depends neither on the initial resistance nor on the pressure transmitting medium. |