Finite Element Modeling Piezoelectric Materials under Thermal Loads with Application for Quantum Dots

Autor:	Milan Zmindak, Pavol Novak, Peter Bishay
Jazyk:	angličtina
Rok vydání:	2017
Předmět:	quantum dots piezoelectricity finite element modeling coupled thermo-piezoelectricity ansys Transportation and communications HE1-9990 Science Transportation engineering TA1001-1280
Zdroj:	Communications, Vol 19, Iss 2A, Pp 87-93 (2017)
Druh dokumentu:	article
ISSN:	1335-4205 2585-7878
DOI:	10.26552/com.C.2017.2A.87-93
Popis:	Significant research has been done in the analysis of properties of quantum dots over the previous decade. A 3D finite element model is developed to analyze quantum dots (QD) under static thermal loads. The lattice mismatch between the quantum dot and the piezoelectric matrix is created by different thermal properties of materials at enhanced temperature of this electronic structure. The fully coupled thermo-piezoelectricity is applied to the analysis of the problem. Commercial FEM software ANSYS was used for analysis. Finite element numerical results are given for the dot with a cubic shape. Numerical results for the InAs/GaAs QD nanostructure show that the elastic and electric fields are strongly influenced by the differences between the material properties of the piezoelectric QD and matrix.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/3e98e54c5b1b48d3b0f7ce13e8011ce3 Zobrazit plný text záznamu View record in DOAJ