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Chemija / Chemistry

ISSN 0235-7216
ISSN 2424-4538 (online)

2017 m. Nr. 3

Investigation of distribution of metals in Cr3+-doped Y3Ga5O12 and Gd3Sc2Ga3O12 using ICP-OES and EDX
Skirmantė BUTKUTĖ, Kübra TURAN, Aleksej ŽARKOV, Eglė Kontrimavičiūtė, Stasys TAUTKUS, Rimantas RAMANAUSKAS, Aivaras KAREIVA

In this study the series of Cr3+-doped Y3Ga5O12 (YGG) and Gd3Sc2Ga3O12 (GSGG) garnets were investigated. The garnet samples doped with a different amount of Cr3+ were synthesized using an aqueous sol–gel combustion synthesis method. The phase purity and morphology of the obtained garnets were characterized by X-ray diffraction (XRD) analysis and scanning electron microscopy (SEM). The chemical composition of differently Cr3+-doped garnet structure compounds was analysed and compared with the nominal one. The content of elements in all samples was determined by inductively coupled plasma optical emission spectrometry (ICP-OES) after dissolving these garnets in diluted nitric acid and by energy-dispersive X-ray spectroscopy (EDX) coupled with SEM. The empirical formula were calculated for both garnet series and compared with the theoretical formula.

Keywords: garnets, YGG, GSGG, sol–gel synthesis, elemental analysis, ICP-OES, EDX

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2017 - Vol.28
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