Applied Physics Letters

Enhanced piezoelectricity in TiSXY monolayers based on electronegative polar moments effect

D Dai-Song Tang (School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,) Y Yu-Qing Luo (School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,) D Dan-Yang Zhu (Institute of Atomic and Molecular Physics, Jilin University 2 , Changchun 130012,) J Jun-Hui Wang (School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,) X Xian-Tong Shao (School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,) S Shou-Xin Cui (School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,) X Xiao-Chun Wang (School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,)

Abstract

It is a challenge to find the relationship between the microscopic property of atoms in monolayers and the macroscopic piezoelectricity of monolayer. By first-principles calculation, we find not only the super-dipole moment (SDM) effect but also the electronegative polar moments (EPMs) effect, which can lead to the remarkable piezoelectricity in TiSXY monolayers. The SDM and EPM effects can deepen the understanding of the piezoelectric physical mechanism and provide the design strategy for ultrathin nano-devices.

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Article Details

Volume / Issue Vol. 126, Issue 6
Published February 10, 2025
ISSN 0003-6951
Publisher American Institute of Physics

Journal Info

Applied Physics Letters

American Institute of Physics
ISSN: 0003-6951 Physical Sciences

Authors (7)

D

Dai-Song Tang

School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,

Y

Yu-Qing Luo

School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,

D

Dan-Yang Zhu

Institute of Atomic and Molecular Physics, Jilin University 2 , Changchun 130012,

J

Jun-Hui Wang

School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,

X

Xian-Tong Shao

School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,

S

Shou-Xin Cui

School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,

X

Xiao-Chun Wang

School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252000,

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