Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes

Doped and non-doped MgO coated thin films on alumina substrates were prepared using a chelating sol-gel method under controlled conditions to prepare nanomaterials with unprecedented properties. The effect of doping of ZnO on thermal, surface and structural properties was investigated using DTA-TG,...

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Main Author: Shiraz Labib
Format: Article
Language:English
Published: Sultan Qaboos University 2013-12-01
Series:Sultan Qaboos University Journal for Science
Subjects:
Online Access:https://journals.squ.edu.om/index.php/squjs/article/view/413
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author Shiraz Labib
author_facet Shiraz Labib
author_sort Shiraz Labib
collection DOAJ
description Doped and non-doped MgO coated thin films on alumina substrates were prepared using a chelating sol-gel method under controlled conditions to prepare nanomaterials with unprecedented properties. The effect of doping of ZnO on thermal, surface and structural properties was investigated using DTA-TG, BET and XRD respectively. Also microstructural studies and coating thickness measurements of MgO thin film were conducted using SEM. An increase in the thermal stability of MgO with increasing ZnO doping percent was observed. The increase of ZnO doping percent showed a marked decrease in the average particle size of MgO powder as a result of the replacement of some Mg2+ by Zn2+ which has similar ionic radius as Mg2+. This decrease in particle size of MgO was also related to the decrease of the degree of MgO crystalinity. The increase of ZnO doping also showed a marked decrease in coating thickness values of the prepared membranes. This decrease was related to the  mechanism of ZnO doping into a MgO crystal lattice.
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spelling doaj.art-2815b37de84b4879b2d03c2dc10a79b82022-12-21T18:46:54ZengSultan Qaboos UniversitySultan Qaboos University Journal for Science1027-524X2414-536X2013-12-01180253210.24200/squjs.vol18iss0pp25-32408Synthesis of Doped and non-Doped Nano MgO Ceramic MembranesShiraz Labib0Nuclear Chemistry Department, Hot Laboratories Center, Atomic Energy Authority, Cairo, EgyptDoped and non-doped MgO coated thin films on alumina substrates were prepared using a chelating sol-gel method under controlled conditions to prepare nanomaterials with unprecedented properties. The effect of doping of ZnO on thermal, surface and structural properties was investigated using DTA-TG, BET and XRD respectively. Also microstructural studies and coating thickness measurements of MgO thin film were conducted using SEM. An increase in the thermal stability of MgO with increasing ZnO doping percent was observed. The increase of ZnO doping percent showed a marked decrease in the average particle size of MgO powder as a result of the replacement of some Mg2+ by Zn2+ which has similar ionic radius as Mg2+. This decrease in particle size of MgO was also related to the decrease of the degree of MgO crystalinity. The increase of ZnO doping also showed a marked decrease in coating thickness values of the prepared membranes. This decrease was related to the  mechanism of ZnO doping into a MgO crystal lattice.https://journals.squ.edu.om/index.php/squjs/article/view/413MgOMgO-ZnOpolymeric sol-geldoping mechanismnano propertiesthin films.
spellingShingle Shiraz Labib
Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes
Sultan Qaboos University Journal for Science
MgO
MgO-ZnO
polymeric sol-gel
doping mechanism
nano properties
thin films.
title Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes
title_full Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes
title_fullStr Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes
title_full_unstemmed Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes
title_short Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes
title_sort synthesis of doped and non doped nano mgo ceramic membranes
topic MgO
MgO-ZnO
polymeric sol-gel
doping mechanism
nano properties
thin films.
url https://journals.squ.edu.om/index.php/squjs/article/view/413
work_keys_str_mv AT shirazlabib synthesisofdopedandnondopednanomgoceramicmembranes