2023
DOI: 10.2139/ssrn.4347166
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High Frequency Amplification of Acoustic Phonons in Fluorine-Doped Single-Walled Carbon Nanotubes

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“…At the critical feld E c , the average mean free path of a carrier along the FSWCNT axis is given by the length x � Δ s,z /E c of a trajectory, which corresponds to the path a carrier traverses when it streams from a state of minimum to a state of maximum miniband energy. At typical hypersound fux, the value of J o at room temperature for a transistor-based single-walled carbon nanotube can be as high as 0.4mA/μm for V gs of −2.5 to −0.5V [50]. Moreover, this value can be high for −0.5V to 5V.…”
Section: Resultsmentioning
confidence: 99%
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“…At the critical feld E c , the average mean free path of a carrier along the FSWCNT axis is given by the length x � Δ s,z /E c of a trajectory, which corresponds to the path a carrier traverses when it streams from a state of minimum to a state of maximum miniband energy. At typical hypersound fux, the value of J o at room temperature for a transistor-based single-walled carbon nanotube can be as high as 0.4mA/μm for V gs of −2.5 to −0.5V [50]. Moreover, this value can be high for −0.5V to 5V.…”
Section: Resultsmentioning
confidence: 99%
“…where Φ, Λ, ρ, v s , and ω q are the acoustic phonon fux density, deformation potential constant, FSWCNT's density, velocity of sound, and frequency of the acoustic waves, respectively. As a result, we describe the FSWCNT's energy dispersion relation as in [46][47][48][49][50]:…”
Section: Theorymentioning
confidence: 99%
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