Bc. Miloš Hronček

Master's thesis

Elektronové excitace v topologických izolátorech

Electronic excitations in topologic insulators
Abstract:
This work is the result of the examination of 8 samples of layers of topological insulators $\rm{Bi_2(Se_{1-x}Te_{x})_3}$ with thicknesses between 200-600 nm on the BaF$_2$ substrate. The molar concentration $\rm{Bi_2Te_3}$ in $\rm{Bi_2Se_3}$ was covering the interval 0-100 \%. Reflectivity and ellipsometry measurements in spectral range 30$\rm{cm^{-1}}$ to 52500$\rm{cm^{-1}}$ (0,04eV - 6,5eV) were …more
Abstract:
Táto práca je výsledkom skúmania skupiny 8 vzoriek vrstiev topologických izolátorov $\rm{Bi_2(Se_{1-x}Te_{x})_3}$ s hrúbkami medzi 200-600 nm na substráte BaF$_2$. Molárna koncentrácia $\rm{Bi_2Te_3}$ v $\rm{Bi_2Se_3}$ pokrývala interval 0-100 \%. Meranie reflektivity a elipsometrie v rôznych spektrálnych oboroch bolo použité na modelovanie dielektrických funkcií pomocou Drudeho-Lorentzovho modelu …more
 

Keywords

Topologický izolátor Reflektometria Elipsometria Dielektrická funkcia Optické konštanty $\rm{Bi_2(Se_{1-x}Te_{x})_3}$ Tenká vrstva Topological insulator Reflectometry Ellipsometry Dielectric function Optical constants Thin film
 
Language used: Slovak
Date on which the thesis was submitted / produced: 8. 1. 2015
Identifier: https://is.muni.cz/th/zefau/

Thesis defence

  • Date of defence: 10. 2. 2015
  • Supervisor: doc. Mgr. Adam Dubroka, Ph.D.

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Institution archiving the thesis and making it accessible: Masarykova univerzita, Přírodovědecká fakulta
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Masaryk University

Faculty of Science

Master programme / field:
Physics / Condensed Matter Physics

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