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Molecular dynamics study on the field effect ion transport in carbon nanotube
Authors:Jeong Won Kang   Ki Ryang Byun   Ju Yul Lee   Sun Cheol Kong   Young Wan Choi  Ho Jung Hwang  
Affiliation:aNano Electronic Future Technology Laboratory, School of Electrical and Electronic Engineering, Chung-Ang University, 221 HukSuk-Dong, DongJak-Ku, Seoul 156-756, Republic of Korea;bLaboratory of Optoelectronics and Optical Communications, School of Electrical and Electronic Engineering, Chung-Ang University, 221 HukSuk-Dong, DongJak-Ku, Seoul 156-756, Republic of Korea
Abstract:We investigated potassium ion transport in the (5, 5) carbon nanotube by using classical molecular dynamics simulations under applying external force fields. This can be applied to nanoscale ionic-field-effect devices. As the applying external force field increases, the potassium ions rapidly go through the nanochannel. Under the low external force fields, the thermal fluctuation of the nanochannel affected on the tunneling of the potassium ions, whereas the effects of the thermal fluctuation were negligible under the high external force fields.
Keywords:Nanoscale ionic-field-effect devices   Carbon nanotube   Nanochannel   Nano electro-fluidics
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