Does BaYF5 nanocrystals exist? - The BaF2-YF3 solid solution revisited using photoluminescence spectroscopy
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- 作者：Mirosław Karbowiak ; miroslaw.karbowiak@chem.uni.wroc.pl" class="auth_mail" title="E-mail the corresponding author ; Jakub Cichos
- 关键词：BaF2-YF3 system ; Fluoride nanoparticles ; Nanofluorides ; BaYF5 ; BaGdF5 ; Upconversion
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：15 July 2016
- 年：2016
- 卷：673
- 期：Complete
- 页码：258-264
- 全文大小：2002 K
文摘
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PL spectroscopy is a reliable tool for identification of phases formed in BaF2-REF3 system.
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Ba1−xRExF2+x nanofluoride phases with fluorite-type structure are formed during thermolysis.
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In contrast to previous reports formation of so-called ‘BaREF5’ nanocrystals was not observed.
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The highest PL intensity is observed for Ba1−xRExF2+x compositions other than that with x = 0.5.