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Author Shuba, Mikhail V. ♦ Kuzhir, Polina P. ♦ Maksimenko, Sergey A. ♦ Paddubskaya, Alesia G. ♦ Valusis, Gintaras ♦ Poklonski, Nikolai A. ♦ Bellucci, Stefano ♦ Kenanakis, George ♦ Kafesaki, Maria
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ♦ CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ♦ AIR ♦ CARBON NANOTUBES ♦ DOPED MATERIALS ♦ ELECTRONS ♦ ENERGY-LEVEL TRANSITIONS ♦ FILMS ♦ HEATING ♦ INFRARED SPECTRA ♦ MODIFICATIONS ♦ RELAXATION TIME ♦ TEMPERATURE DEPENDENCE ♦ WALLS
Abstract The temperature dependences of the absorbance spectra of thin free-standing single-walled carbon nanotube (SWCNT) films were studied in the infrared range (700–6200 cm{sup −1}) while heating the air from 300 to 575 K. The observed temperature variation in the infrared absorbance spectra has been explained by two different physical factors. The first one is the strong temperature dependence of the conductivity of p-type doped semiconducting SWCNTs. The second one is the temperature dependence of electron relaxation time of intraband electron transitions in metallic SWCNTs. The possibility of the separation of contributions from the interband and intraband transitions to the infrared spectra of SWCNT films has been demonstrated.
ISSN 00218979
Educational Use Research
Learning Resource Type Article
Publisher Date 2016-03-14
Publisher Place United States
Journal Journal of Applied Physics
Volume Number 119
Issue Number 10


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