Acoustic Phonon Scattering in Free-Standing Anisotropic Silicon Plates

Mori, Nobuya

Physica Status Solidi (B): Basic Research, 2024, 2400540

Number of Access:221（2025-11-25 07:42 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/100345

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Title
Acoustic Phonon Scattering in Free-Standing Anisotropic Silicon Plates
Creator
NRID
1000070239614 1000070239614
ORCID
0000-0001-7568-5575 0000-0001-7568-5575
researchmap permalink
nobuya_mori nobuya_mori
Scopus Author ID
7402511854 7402511854
CreatorName
Mori, Nobuya
Subject
electron transport
electrons
electron–phonon interactions
phonons
silicon
Description
Mori N. Acoustic Phonon Scattering in Free-Standing Anisotropic Silicon Plates. Physica Status Solidi (B): Basic Research , (2024); https://doi.org/10.1002/pssb.202400540.
Abstract
The electron–acoustic-phonon interaction in a free-standing anisotropic Si plate with (001) surface is studied taking into account the elastic anisotropy of the Si crystal and the modulated phonon modes. The interaction potential is derived from the modulated phonon modes and the anisotropic deformation potential constants. The effective deformation potential constant Dac is then calculated considering only the lowest electronic sub-band. In the quantum well model for the electronic states, it is shown that the effective deformation potential for the modulated phonons in an anisotropic Si plate becomes Dac ≈ 13 eV in the thinner region of the plate thickness (Formula presented.). It is also shown that both the phonon modulation and the crystal anisotropy have non-negligible effects on the effective deformation potential and electron mobility.
Publisher
John Wiley and Sons Inc
Source Title
Physica Status Solidi (B): Basic Research
Page
2400540
Date of Issued
2024-12-23
Language
English
Handle URL
https://hdl.handle.net/11094/100345
PISSN
03701972
eISSN
15213951
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1002/pssb.202400540
Access Rights
open access
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This article is licensed under a Creative Commons Attribution 4.0 International License.
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Version of Record
Category
学術雑誌論文 Journal Article