Elasticity, band structure, and piezoelectricity of BexZn1-xO alloys

Yifeng Duan; Hongliang Shi; Lixia Qin

doi:10.1016/j.physleta.2008.01.011

Elasticity, band structure, and piezoelectricity of Be_xZn_1-xO alloys

Yifeng Duan^*
, Hongliang Shi
, Lixia Qin

^*Corresponding author for this work

CAS - Institute of Semiconductors
Shandong Normal University

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

41 Scopus citations

Abstract

Lattice constants, elasticity, band structure and piezoelectricity of hexagonal wide band gap Be_xZn_1-xO ternary alloys are calculated using first-principles methods. The alloys' lattice constants obey Vegard's law well. As Be concentration increases, the bulk modulus and Young's modulus of the alloys increase, whereas the piezoelectricity decreases. We predict that Be_xZn_1-xO/GaN/substrate (x = 0.022) multilayer structure can be suitable for high-frequency surface acoustic wave device applications. Our calculated results are in good agreement with experimental data and other theoretical calculations.

Original language	English
Pages (from-to)	2930-2933
Number of pages	4
Journal	Physics Letters, Section A: General, Atomic and Solid State Physics
Volume	372
Issue number	16
DOIs	https://doi.org/10.1016/j.physleta.2008.01.011
State	Published - 14 Apr 2008
Externally published	Yes

Keywords

Alloys
Bowing coefficients
Elasticity
First-principles
Piezoelectricity
Semiconductor

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10.1016/j.physleta.2008.01.011

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title = "Elasticity, band structure, and piezoelectricity of BexZn1-xO alloys",

abstract = "Lattice constants, elasticity, band structure and piezoelectricity of hexagonal wide band gap BexZn1-xO ternary alloys are calculated using first-principles methods. The alloys' lattice constants obey Vegard's law well. As Be concentration increases, the bulk modulus and Young's modulus of the alloys increase, whereas the piezoelectricity decreases. We predict that BexZn1-xO/GaN/substrate (x = 0.022) multilayer structure can be suitable for high-frequency surface acoustic wave device applications. Our calculated results are in good agreement with experimental data and other theoretical calculations.",

keywords = "Alloys, Bowing coefficients, Elasticity, First-principles, Piezoelectricity, Semiconductor",

author = "Yifeng Duan and Hongliang Shi and Lixia Qin",

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doi = "10.1016/j.physleta.2008.01.011",

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TY - JOUR

T1 - Elasticity, band structure, and piezoelectricity of BexZn1-xO alloys

AU - Duan, Yifeng

AU - Shi, Hongliang

AU - Qin, Lixia

PY - 2008/4/14

Y1 - 2008/4/14

N2 - Lattice constants, elasticity, band structure and piezoelectricity of hexagonal wide band gap BexZn1-xO ternary alloys are calculated using first-principles methods. The alloys' lattice constants obey Vegard's law well. As Be concentration increases, the bulk modulus and Young's modulus of the alloys increase, whereas the piezoelectricity decreases. We predict that BexZn1-xO/GaN/substrate (x = 0.022) multilayer structure can be suitable for high-frequency surface acoustic wave device applications. Our calculated results are in good agreement with experimental data and other theoretical calculations.

AB - Lattice constants, elasticity, band structure and piezoelectricity of hexagonal wide band gap BexZn1-xO ternary alloys are calculated using first-principles methods. The alloys' lattice constants obey Vegard's law well. As Be concentration increases, the bulk modulus and Young's modulus of the alloys increase, whereas the piezoelectricity decreases. We predict that BexZn1-xO/GaN/substrate (x = 0.022) multilayer structure can be suitable for high-frequency surface acoustic wave device applications. Our calculated results are in good agreement with experimental data and other theoretical calculations.

KW - Alloys

KW - Bowing coefficients

KW - Elasticity

KW - First-principles

KW - Piezoelectricity

KW - Semiconductor

UR - https://www.scopus.com/pages/publications/40949157948

U2 - 10.1016/j.physleta.2008.01.011

DO - 10.1016/j.physleta.2008.01.011

M3 - 文章

AN - SCOPUS:40949157948

SN - 0375-9601

VL - 372

SP - 2930

EP - 2933

JO - Physics Letters, Section A: General, Atomic and Solid State Physics

JF - Physics Letters, Section A: General, Atomic and Solid State Physics

IS - 16

ER -

Elasticity, band structure, and piezoelectricity of Be_xZn_1-xO alloys

Abstract

Keywords

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