Home > Search Results: keywords:"Ca2Nb3O10 zárodečná vrstva|magnetooptický Kerrův jev"
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Magnetooptické studium vlivu zárodečné vrstvy na formování magnetických vlastností tenkých vrstev La2/3Sr1/3MnO3
 Melzer, Aleš ; Veis, Martin (advisor) ; Zahradník, Martin (referee)
The impact of film thickness on optical and magneto-optical properties of La2/3Sr1/3O3 (LSMO) thin films was studied by optical and magneto-optical methods. A series of LSMO samples with increasing thicknesses was pre- pared by pulsed laser deposition on a silicon substrate with a Ca2Nb3O10 seed layer. The topology of both the substrates and the deposited films was examined by atomic force microscopy. The samples were subsequently analy- sed by spectroscopic ellipsometry and magneto-optical spectroscopy. The off- diagonal elements of the permittivity tensor of each layer were afterwards de- termined numerically from these measurements. The obtained spectra exhibi- ted spectroscopic structures found in epitaxial LSMO films grown on SrTiO3 (STO), reflecting good crystalline quality of investigated samples. Effects re- lated to gradual strain relaxation with increasing film thickness were observed on the spectra.
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