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Research Article
K.W. Adu
Pennsylvania State university-Altoona College
Corresponding Author
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We perform self-consistent analysis of the Boltzmann transport equation for momentum and energy in the hypersound regime i.e., ql >> 1 (q is the acoustic wavenumber and l is the mean free path). Here, we investigate Landau damping of acoustic phonons (LDOAP) in graphene nanoribbon that leads to acoustoelectric current generation. Under a non-quantized field with drift velocity, we observed an acoustic phonon energy quantization which depends on the energy gap, the width and the sub-index of the material. An effect similar to Cerenkov emission was observed where the electron absorbs the confined acoustic phonons energy, causing the generation of acoustoelectric current in Graphene Nanoribbon. A qualitative analysis of the absorption and versus phonon frequency is in agreement with experimental reports. We observed a shift in the peaks when the energy gap and the drift velocity were varied. Most importantly, a transparency window appears when making graphene nanoribbon a potential candidate as an acoustic wave filter with applications in phonon spectrometers and also as tunable gate-controlled quantum information device.
Keywords
Acoustoelectric current, Landau Damping, Cerenkov Emission, Graphene Nanoribbon
No competing interests reported.
This is a list of supplementary files associated with this preprint. Click to download.
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CURRENT STATUS: Under Review
Version 1
Posted 14 May, 2021
No community comments so far
Editorial decision: Major revision
On 26 May, 2021
Reviews received
Received 20 May, 2021
Reviewers agreed
On 14 May, 2021
Reviewers agreed
On 14 May, 2021
Reviewers invited
Invitations sent on 13 May, 2021
Editor assigned
On 13 May, 2021
Editor invited
On 13 May, 2021
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On 13 May, 2021
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On 06 May, 2021
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This preprint is under consideration at Scientific Reports. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
K.W. Adu
Pennsylvania State university-Altoona College
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Under Review
Version 1
Posted 14 May, 2021
No community comments so far
Editorial decision: Major revision
On 26 May, 2021
Reviews received
Received 20 May, 2021
Reviewers agreed
On 14 May, 2021
Reviewers agreed
On 14 May, 2021
Reviewers invited
Invitations sent on 13 May, 2021
Editor assigned
On 13 May, 2021
Editor invited
On 13 May, 2021
Submission checks complete
On 13 May, 2021
First submitted
On 06 May, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
We perform self-consistent analysis of the Boltzmann transport equation for momentum and energy in the hypersound regime i.e., ql >> 1 (q is the acoustic wavenumber and l is the mean free path). Here, we investigate Landau damping of acoustic phonons (LDOAP) in graphene nanoribbon that leads to acoustoelectric current generation. Under a non-quantized field with drift velocity, we observed an acoustic phonon energy quantization which depends on the energy gap, the width and the sub-index of the material. An effect similar to Cerenkov emission was observed where the electron absorbs the confined acoustic phonons energy, causing the generation of acoustoelectric current in Graphene Nanoribbon. A qualitative analysis of the absorption and versus phonon frequency is in agreement with experimental reports. We observed a shift in the peaks when the energy gap and the drift velocity were varied. Most importantly, a transparency window appears when making graphene nanoribbon a potential candidate as an acoustic wave filter with applications in phonon spectrometers and also as tunable gate-controlled quantum information device.
No competing interests reported.
This is a list of supplementary files associated with this preprint. Click to download.
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