Fabrication and microstructure of hot pressed laminated Y₂O₃/Nd:Y₂O₃/Y₂O₃ transparent ceramics

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• 作者：Lin Gan ; Young-Jo Park ; ^{yjpark87@kims.re.kr" class="auth_mail" title="E-mail the corresponding author} ; Haneul Kim ; Jin-Myung Kim ; Jae-Woong Ko ; Jae-Wook Lee
• 关键词：Transparent ceramic ; Nd ; Y2O3 ; Composite ; Hot pressing
• 刊名：Journal of the European Ceramic Society
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：36
• 期：3
• 页码：911-916
• 全文大小：3313 K

文摘

A transparent three-layered composite Y₂O₃/1 at% Nd:Y₂O₃/Y₂O₃ ceramic was successfully fabricated by a hot-pressing method. After the hot-pressing step, the laminar structure was maintained very well, and no apparent deformation was found. The sample shows a fine microstructure (the average grain size is ∼1 μm) without an apparent transition layer between a Nd-doped layer and an undoped layer as a result of the relatively low hot-pressing temperature of only 1600 °C. For a 4-mm-thick polished specimen, the in-line transmittance reaches 59.7% at 400 nm and 73.0% at 1100 nm.