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题名:
The behaviors of anatase and TiO2(B) phase coexisting nanosheets under high pressure
作者: Huang, YW; Li, WT; Ren, XT; Yu, ZH; Samanta, S; Yan, S; Zhang, J; Wang, L
刊名: RADIATION PHYSICS AND CHEMISTRY
出版日期: 2016
卷号: 120, 期号:-, 页码:1—6
关键词: 001 FACETS ; FILMS ; MO
DOI: 10.1016/j.radphyschem.2015.11.008
通讯作者: Huang, YW ; Wang, L (reprint author), Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China. ; Huang, YW (reprint author), Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Peoples R China.
文章类型: 期刊文献
英文摘要: High pressure behaviors of anatase TiO2 and TiO2(B) coexisting nanosheets were investigated using in situ synchrotron X-ray diffraction and Raman Spectroscopy. The X-ray diffraction revealed that upon compression an alpha-PbO2 phase appeared at 11.4 GPa, and then the baddeleyite phase appeared at 23.6 GPa. Upon decompression the anatase phase still existed obviously and TiO2(B) phase almost cannot be observed. The Raman spectrum at ambient pressure presented the typical curve of anatase TiO2, however the pressure dependence for compression and decompression did not show the common phase transion from anatase to alpha-PbO2 or to baddeleyite. This is different from high pressure behaviors of other TiO2 nanostructures and could be attributed to the existence of small amount of TiO2(B) at the starting materials. The pressure relationship of the Raman frequencies shift slope indicated the coexistence nanosheet has high incompressibility compared with other TiO2 nanomaterials and corresponding bulks. (C) 2015 Elsevier Ltd. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000369197200001
ISSN号: 0969-806X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25860
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Huang, YW,Li, WT,Ren, XT,et al. The behaviors of anatase and TiO2(B) phase coexisting nanosheets under high pressure[J]. RADIATION PHYSICS AND CHEMISTRY,2016-01-01,120(-):1—6.
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