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dc.contributor.authorP. Kanthaen_US
dc.contributor.authorS. Sirisoonthornen_US
dc.contributor.authorK. Pengpaten_US
dc.description.abstractIn this research, it is interesting to fabricate glass ceramics containing lead free ferroelectric crystals. The new lead free ferroelectric phase of interest is orthorhombic Bi2GeO5 which are precipitated in the BiO1.5-GeO2-BO1.5 system and studied in the region of 60 mol% BiO1.5:20 mol% GeO2: 20 mol% BO 1.5. The glasses were prepared by conventional melt-quenching method. The glasses were melted separately in Pt and AI2O3 crucible in an air atmosphere. It is found that the as-received glasses were easily obtained from AI2O3 crucible while that from Pt crucible devitrification of Bi2GeO5 crystals were observed in some glasses, giving rise to an instability and difficulty in obtaining good based glasses by using this Pt crucible. The glass ceramics prepared from Pt crucible crystallized into two phases of the expected Bi2GeO 5 and second phase Bi4Ge3O12 while Bi2GeO5 phase only observed in the glass ceramics prepared from AI2O3 crucible. Crystallinity and phases of the glass ceramics have a significant effect on their dielectric properties. © 2008 Trans Tech Publications, Switzerland.en_US
dc.titleThe effect of processing parameters on properties of Bi2GeO 5 glass ceramicsen_US
dc.typeBook Seriesen_US
article.title.sourcetitleAdvanced Materials Researchen_US
article.volume55-57en_US Mai Universityen_US National Metal and Materials Technology Centeren_US
Appears in Collections:CMUL: Journal Articles

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