期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 115, 期 18, 页码 5519-5525出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp1110949
关键词
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资金
- Hong Kong Research Grant Council [HKU 7011/06P, 7013/07P, 7008/08P, HKUST 9/CRF/08, N_HKU 764/05]
- University Grant Council [AoE/P-04/08]
- National Science Foundation of China [NSFC 20828003]
We have performed time-dependent density-functional theory calculations to simulate the transient electrical response of a carbon nanotube-based electronic device. Time-dependent current density and electrostatic potential distribution are calculated and analyzed. Strong local vortices are observed for the current. In addition, the calculated dynamic admittance confirms that the dynamic response of the two-terminal device can be mapped onto the equivalent electric circuit reported in our previous work [Yam et al. Nanotechnology 2008, 19, 495203].
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