Optical and magneto-optical properties of Co-doped CeO2-delta films in the 0.5 to 4 eV range

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10285006" target="_blank" >RIV/00216208:11320/14:10285006 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1063/1.4867961" target="_blank" >http://dx.doi.org/10.1063/1.4867961</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1063/1.4867961" target="_blank" >10.1063/1.4867961</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Optical and magneto-optical properties of Co-doped CeO2-delta films in the 0.5 to 4 eV range

Popis výsledku v původním jazyce

Magnetically doped Ce1-xCoxO2-delta (nominal x = 0.05 and 0.10) films were systematically studied by spectroscopic ellipsometry and magneto-optical spectroscopy. The samples were prepared by pulsed laser deposition on MgO(100) substrates and grew as textured polycrystalline films with thickness between 200 and 750 nm. They exhibited room temperature ferromagnetism and an out-of-plane easy axis attributed to magnetoelastic effects from the in-plane compressive strain. The dispersion of dielectric function of Ce1-xCoxO2-delta films was parametrized by the sum of Tauc-Lorentz and damped Lorentz oscillators and adjusted numerically. Deduced optical band gaps were similar to those of pure CeO2, but the Co doping increased the optical absorption. The magneto-optical spectroscopy was carried out in both Faraday and Kerr configurations in the photon energy range from 0.5 to 4 eV, showing a strong dependence of the magneto-optical effect on the Co content near the optical band edge. (C) 2014 AI

Název v anglickém jazyce

Optical and magneto-optical properties of Co-doped CeO2-delta films in the 0.5 to 4 eV range

Popis výsledku anglicky

Magnetically doped Ce1-xCoxO2-delta (nominal x = 0.05 and 0.10) films were systematically studied by spectroscopic ellipsometry and magneto-optical spectroscopy. The samples were prepared by pulsed laser deposition on MgO(100) substrates and grew as textured polycrystalline films with thickness between 200 and 750 nm. They exhibited room temperature ferromagnetism and an out-of-plane easy axis attributed to magnetoelastic effects from the in-plane compressive strain. The dispersion of dielectric function of Ce1-xCoxO2-delta films was parametrized by the sum of Tauc-Lorentz and damped Lorentz oscillators and adjusted numerically. Deduced optical band gaps were similar to those of pure CeO2, but the Co doping increased the optical absorption. The magneto-optical spectroscopy was carried out in both Faraday and Kerr configurations in the photon energy range from 0.5 to 4 eV, showing a strong dependence of the magneto-optical effect on the Co content near the optical band edge. (C) 2014 AI

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

<a href="/cs/project/LH13115" target="_blank" >LH13115: Nové materiály pro optické a magneto-optické aplikace</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Applied Physics

ISSN

0021-8979

e-ISSN

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Svazek periodika

115

Číslo periodika v rámci svazku

17

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

3

Strana od-do

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Kód UT WoS článku

000335643700184

EID výsledku v databázi Scopus

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