Polar interface phonons in ionic toroidal systems

We use the dielectric continuum model to obtain the polar (Fuchs-Kliewer like) interface vibration modes of toroids made of ionic materials either embedded in a different material or in vacuum, with applications to nanotoroids specially in mind. We report the frequencies of these modes and describe...

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Published inJournal of physics. Condensed matter Vol. 28; no. 34; p. 345301
Main Authors Nguyen, N D, Evrard, R, Stroscio, Michael A
Format Journal Article Web Resource
LanguageEnglish
Published England IOP Publishing 01.09.2016
Institute of Physics
Subjects
interface phonons
ionic crystals
Physical, chemical, mathematical & earth Sciences
Physics
Physique
Physique, chimie, mathématiques & sciences de la terre
toroidal nanostructure
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Summary:We use the dielectric continuum model to obtain the polar (Fuchs-Kliewer like) interface vibration modes of toroids made of ionic materials either embedded in a different material or in vacuum, with applications to nanotoroids specially in mind. We report the frequencies of these modes and describe the electric potential they produce. We establish the quantum-mechanical Hamiltonian appropriate for their interaction with electric charges. This Hamiltonian can be used to describe the effect of this interaction on different types of charged particles either inside or outside the torus.
Bibliography:JPCM-106957.R1
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
scopus-id:2-s2.0-84978898031
ISSN:0953-8984
1361-648X
1361-648X
DOI:10.1088/0953-8984/28/34/345301