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Please use this identifier to cite or link to this item: https://ir.swu.ac.th/jspui/handle/123456789/12720
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dc.contributor.authorPanyata S.
dc.contributor.authorEitssayeam S.
dc.contributor.authorTunkasiri T.
dc.contributor.authorMunpakdee A.
dc.contributor.authorPengpat K.
dc.date.accessioned2021-04-05T03:05:14Z-
dc.date.available2021-04-05T03:05:14Z-
dc.date.issued2018
dc.identifier.issn2728842
dc.identifier.other2-s2.0-85054129888
dc.identifier.urihttps://ir.swu.ac.th/jspui/handle/123456789/12720-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85054129888&doi=10.1016%2fj.ceramint.2018.08.262&partnerID=40&md5=154a42ad52ad965928515ad2ca47b4e2
dc.description.abstractIn this work, glass-ceramics containing bismuth germanate doped with a rare-earth element of composition 58.4BiO1.5: 23.4GeO2: 18.2BO1.5: 0.15ErO1.5 was investigated for its kinetic parameters of transformations via available models. The activation energy for the crystallization (Ec) and the Avrami exponent (n) were determined under non-isothermal conditions using various models. X-ray diffraction (XRD) was used to obtain the phase formation. The morphologies of the obtained glass-ceramics were investigated by Scanning electron microscopy (SEM). It was found that the crystallization activation energy and Avrami exponent were dependent on the crystallization fraction (x). The calculated value of the Avrami exponent (n) by using Ozawa and Lu model indicated that the crystallization mechanism in this glass is between two and three-dimensional crystal growth. Doping of Er2O3 was found to improve modification of this Bi2GeO5 glass-ceramic embedded with a desired crystal dimension. © 2018
dc.subjectActivation energy
dc.subjectChromium compounds
dc.subjectCrystallization kinetics
dc.subjectDoping (additives)
dc.subjectErbium compounds
dc.subjectGermanium oxides
dc.subjectGlass ceramics
dc.subjectKinetics
dc.subjectRare earths
dc.subjectScanning electron microscopy
dc.subjectBismuth germanate
dc.subjectCalculated values
dc.subjectCrystal dimensions
dc.subjectCrystallization activation energy
dc.subjectCrystallization mechanisms
dc.subjectNon-isothermal condition
dc.subjectPhase formations
dc.subjectThree-dimensional crystals
dc.subjectBismuth compounds
dc.titleCrystallization kinetic of Er3+-doped BiO1.5-GeO2-BO1.5 glass-ceramic
dc.typeArticle
dc.rights.holderScopus
dc.identifier.bibliograpycitationCeramics International. Vol 44, No. (2018), p.S46-S49
dc.identifier.doi10.1016/j.ceramint.2018.08.262
Appears in Collections:Scopus 1983-2021

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