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题名: Preparation, characterization. and low-temperature heat capacities of nanocrystalline TiO2 ultrafine powder
作者: Wu, XM;  Wang, L;  Tan, ZC;  Li, GH;  Qu, SS
关键词: nanocrystalline TiO2 ;  grain size ;  crystalline phase ;  low-temperature heat capacity
刊名: JOURNAL OF SOLID STATE CHEMISTRY
发表日期: 2001
卷: 156, 期:1, 页:220-224
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Nanocrystalline TiO2 ultrafine powders with different grain sizes have been prepared by the sol-gel method. The grain sizes and the crystalline phases have been determined, Heat capacities in the temperature range of 78-370 K have also been measured, and the polynomial equations expressing the change of heat capacity with temperature were fitted. The obtained values of the heat capacity have been compared with those of the bulk crystal from the Literature, The relations between heat capacity and the grain size of nanocrystalline TiO2 have been discussed in terms of energy. (C) 2001 Academic Press.
关键词[WOS]: SOL-GEL PROCESS ;  CALORIMETER
语种: 英语
WOS记录号: WOS:000167126000030
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138841
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Wuhan Univ, Coll Chem & Environm Sci, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Inst Solid State Phys, Hefei 230031, Peoples R China

Recommended Citation:
Wu, XM,Wang, L,Tan, ZC,et al. Preparation, characterization. and low-temperature heat capacities of nanocrystalline TiO2 ultrafine powder[J]. JOURNAL OF SOLID STATE CHEMISTRY,2001,156(1):220-224.
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