Photoluminescence and Raman spectroscopy studies of low-temperature γ-Al2O3 phases synthesized from different precursors
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- 作者：Mark Baronskiya ; baronskiymg@mail.ru" class="auth_mail" title="E-mail the corresponding author ; Alexander Rastorgueva ; rastorg@catalysis.ru" class="auth_mail" title="E-mail the corresponding author ; Aleksey Zhuzhgova ; Anton Kostyukova ; Oleg Krivoruchkoa ; Valeriy Snytnikova ; b
- 关键词：Local structure ; Alumina ; Photoluminescence ; Raman spectroscopy
- 刊名：Optical Materials
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：53
- 期：Complete
- 页码：87-93
- 全文大小：1126 K
文摘
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PL study reveals the presence of Mn4+ only in γ∗-Al2O3 and the absence one in γ-Al2O3.
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PL of F-centers in γ-, γ∗-Al2O3 correlating to the emission of Mn4+ in these phases.
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Raman spectra of γ-, γ∗-Al2O3 demonstrate strong differences in spinal structures.