Non Linear Interactions between Two Mechanical Resonances of Suspended Carbon Nanotube Resonator
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1Shikha Kumari* and 2Nabin Kumar
| Bulletin of Pure and Applied Science
Physics, Vol.42D No.2, July-December 2023 P.80-83 |
| Original Research Article |
Description
Description
1Shikha Kumari* and 2Nabin Kumar
| Author’s Affiliations: | 1Research Scholar, University Department of Physics, B.N. Mandal University, Madhepura, North Campus, Singheshwar, 852128, Bihar, India.
E-mail: shikhakumarimsc2021@gmail.com 2University Department of Physics, B.N. Mandal University, Madhepura, North Campus, Singheshwar, 852128, Bihar, India. E-mail: drnabinkumar02@gmail.com
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| *Corresponding author: | Shikha Kumari
Research Scholar, University Department of Physics, B.N. Mandal University, Madhepura, North Campus, Singheshwar, 852128, Bihar, India. E-mail: shikhakumarimsc2021@gmail.com
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Abstract
| ABSTRACT | We have studied the nonlinear interaction between two different eigen modes in suspended carbon nanotube resonators. It was found that the mode coupling in suspended carbon nanotubes was dominated by single electron-tunneling process. For suspended carbon nanotube resonator at low temperatures using quantum dot embedded in the nanotube as detector, the interaction was found between two different eigen modes. For nanotube resonators in the coulomb blockade regime the nonlinear modal interaction was dominated by single electron tunneling as opposed to displacement induced tension. A strongly enhanced mode coupling was observed in the coulomb blockade regime which was of the order of magnitude larger than in conventional micro resonators. The obtained results found in good agreement with previously obtained results. |
| KEYWORDS | Nonlinear Interaction, Eigen Mode, Suspended Carbon Nanotube, Resonator, Mode Coupling, Tunneling, Quantum Dot, Coulomb Blockade, Induced Tension. |
