Acoustoelectric effect in two-dimensional Dirac materials exposed to Rayleigh surface acoustic waves

K. Sonowal; A. V. Kalameitsev; V. M. Kovalev; I. G. Savenko

doi:10.1103/PhysRevB.102.235405

Acoustoelectric effect in two-dimensional Dirac materials exposed to Rayleigh surface acoustic waves

K. Sonowal, A. V. Kalameitsev, V. M. Kovalev, I. G. Savenko

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

We study the acoustoelectric effect in two-dimensional materials like transition metal dichalcogenide monolayers located on a nonpiezoelectric substrate and exposed to the Rayleigh surface acoustic waves. We investigate the behavior of the Hall component of the electric current density which appears due to the trigonal warping of the valleys in k space. We calculate the spectrum of the current density and study its dependence on the electron effective lifetime and density in the sample. We distinguish between the drift and diffusive components of the current and show which components turn out predominant. Furthermore, we compare the effect of the Rayleigh and Bluestein-Gulyaev acoustic waves, which appear if the sample is located on a piezoelectric substrate.

Original language	English
Article number	235405
Journal	Physical Review B
Volume	102
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.102.235405
State	Published - 3 Dec 2020
Externally published	Yes

Access to Document

10.1103/PhysRevB.102.235405

Cite this

@article{4dcffac8b6d241929b474580ed7113fb,

title = "Acoustoelectric effect in two-dimensional Dirac materials exposed to Rayleigh surface acoustic waves",

abstract = "We study the acoustoelectric effect in two-dimensional materials like transition metal dichalcogenide monolayers located on a nonpiezoelectric substrate and exposed to the Rayleigh surface acoustic waves. We investigate the behavior of the Hall component of the electric current density which appears due to the trigonal warping of the valleys in k space. We calculate the spectrum of the current density and study its dependence on the electron effective lifetime and density in the sample. We distinguish between the drift and diffusive components of the current and show which components turn out predominant. Furthermore, we compare the effect of the Rayleigh and Bluestein-Gulyaev acoustic waves, which appear if the sample is located on a piezoelectric substrate.",

author = "K. Sonowal and Kalameitsev, {A. V.} and Kovalev, {V. M.} and Savenko, {I. G.}",

note = "Publisher Copyright: {\textcopyright} 2020 American Physical Society.",

year = "2020",

month = dec,

day = "3",

doi = "10.1103/PhysRevB.102.235405",

language = "英语",

volume = "102",

journal = "Physical Review B",

issn = "2469-9950",

publisher = "American Physical Society",

number = "23",

}

TY - JOUR

T1 - Acoustoelectric effect in two-dimensional Dirac materials exposed to Rayleigh surface acoustic waves

AU - Sonowal, K.

AU - Kalameitsev, A. V.

AU - Kovalev, V. M.

AU - Savenko, I. G.

PY - 2020/12/3

Y1 - 2020/12/3

N2 - We study the acoustoelectric effect in two-dimensional materials like transition metal dichalcogenide monolayers located on a nonpiezoelectric substrate and exposed to the Rayleigh surface acoustic waves. We investigate the behavior of the Hall component of the electric current density which appears due to the trigonal warping of the valleys in k space. We calculate the spectrum of the current density and study its dependence on the electron effective lifetime and density in the sample. We distinguish between the drift and diffusive components of the current and show which components turn out predominant. Furthermore, we compare the effect of the Rayleigh and Bluestein-Gulyaev acoustic waves, which appear if the sample is located on a piezoelectric substrate.

AB - We study the acoustoelectric effect in two-dimensional materials like transition metal dichalcogenide monolayers located on a nonpiezoelectric substrate and exposed to the Rayleigh surface acoustic waves. We investigate the behavior of the Hall component of the electric current density which appears due to the trigonal warping of the valleys in k space. We calculate the spectrum of the current density and study its dependence on the electron effective lifetime and density in the sample. We distinguish between the drift and diffusive components of the current and show which components turn out predominant. Furthermore, we compare the effect of the Rayleigh and Bluestein-Gulyaev acoustic waves, which appear if the sample is located on a piezoelectric substrate.

UR - http://www.scopus.com/inward/record.url?scp=85097638985&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.102.235405

DO - 10.1103/PhysRevB.102.235405

M3 - 文章

AN - SCOPUS:85097638985

SN - 2469-9950

VL - 102

JO - Physical Review B

JF - Physical Review B

IS - 23

M1 - 235405

ER -

Acoustoelectric effect in two-dimensional Dirac materials exposed to Rayleigh surface acoustic waves

Abstract

Access to Document

Other files and links

Fingerprint

Cite this