Confined and interface phonons in combined cylindrical nanoheterosystem

被引：0

作者：

Makhanets, O. M. ^{[1
]}

Voitsekhivska, O. M. ^{[1
]}

Gryschyk, A. M. ^{[1
]}

机构：

[1] Fedkovych Chernivtsi Natl Univ, UA-58012 Chernovtsy, Ukraine

来源：

CONDENSED MATTER PHYSICS | 2006年 / 9卷 / 04期

关键词：

nanoheterosystem; phonon; energy spectrum;

D O I：

暂无

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The spectra of all types of phonons existing in a complicated combined nanoheterosystern consisting of three cylindrical quantum dots embedded into the cylindrical quantum wire placed into vacuum are studied within the dielectric continuum model. It is shown that there are confined optical (LO) and interface phonons of two types: top surface optical (TSO) and side surface optical (SSO) modes of vibration in such a nanosystem. The dependences of phonon energies on the quasiwave numbers and geometrical parameters of quantum dots are investigated and analysed.

引用

页码：719 / 724

页数：6

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