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Volumn 89, Issue 10, 2006, Pages

Joule heating induced negative differential resistance in freestanding metallic carbon nanotubes

Author keywords

[No Author keywords available]

Indexed keywords

BOLTZMANN TRANSPORT EQUATION; DIFFERENTIAL RESISTANCE; ELECTRIC BIAS; METALLIC CARBON NANOTUBES (M-CNT);

EID: 33748482647     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.2345244     Document Type: Article
Times cited : (39)

References (16)
  • 14
    • 33748516432 scopus 로고    scopus 로고
    • note
    • Here we neglect acoustic phonon effects in a first approximation, and as a result, nonequilibrium phenomena between optical and acoustic phonon populations. By identifying the temperature profile obtained from Eq. (3) with the optical phonon temperature in the transport equation [Eq. (2)], our model overestimates the nanotube temperature. However, this approximation has minor effects (at most a slight renormalization of the scattering rate values) on the onset of the nonlinear transport (saturation and NDR) as seen in Figs. 1 and 3 while it sets an upper limit on the maximum temperature reached in the nanotubes. Inclusion of nonequilibrium phonon population in our self-consistent scheme will be the subject of a forthcoming analysis.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.