Phonons in zinc-blende and wurtzite phases of GaN, AlN, and BN with the adiabatic bond-charge model

被引：55

作者：

Tütüncü, HM ^{[1
]}

Srivastava, GP

机构：

[1] Sakarya Univ, Fen Edebiyat Fak, Adapazari, Turkey

[2] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.62.5028

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The lattice dynamics of the zinc-blende and wurtzite phases of GaN, AlN, and BN is studied using the adiabatic bond-charge model. The resulting phonon spectra for zinc-blende GaN and AIN compare very well with ab initio calculations along symmetry directions. We discuss the effect of the internal parameter u on the A(1)(LO) and E-1(LO) modes. We also present the angle dependence of the zone-center optical-phonon modes in the wurtzite phase. The anticrossing behavior of the A(1) acoustic and E-2 optical modes is also discussed.

引用

页码：5028 / 5035

页数：8

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