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	Positronium time-of-flight measurements of mesoporous silica films
	Kuang, Peng1; Zhang, XiaoWei2; He, ChunQing2; Cao, XingZhong1; Wang, BaoYi1
刊名	Acta physica polonica a
	2018
卷号	133期号:1页码:3-6
ISSN号	0587-4246
DOI	10.12693/aphyspola.133.3
通讯作者	Wang, baoyi(wangboy@ihep.ac.cn)
英文摘要	Mesoporous silica films were synthesized with various concentrations of cetyltrimethylammonium bromide (ctab) in precursor sols through the method of electro-assisted self-assembly (easa). oriented pore channels were observed in the films prepared with more ctab in the precursor sols. positronium time-of-flight (ps-tof) measurements were performed for the silica films with different porous structures. it is demonstrated that the ps emission intensity and energies are well correlated to the apparent porosity, pore interconnectivity and possibly pore channel orientation. the results indicate that ps-tof can be a useful technique for probing the structures of porous films.
WOS关键词	THIN-FILMS ; SIO2
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	POLISH ACAD SCIENCES INST PHYSICS
WOS记录号	WOS:000423715300001
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2177952
专题	高能物理研究所
通讯作者	Wang, BaoYi
作者单位	1.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China 2.Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Hubei, Peoples R China
推荐引用方式 GB/T 7714	Kuang, Peng,Zhang, XiaoWei,He, ChunQing,et al. Positronium time-of-flight measurements of mesoporous silica films[J]. Acta physica polonica a,2018,133(1):3-6.
APA	Kuang, Peng,Zhang, XiaoWei,He, ChunQing,Cao, XingZhong,&Wang, BaoYi.(2018).Positronium time-of-flight measurements of mesoporous silica films.Acta physica polonica a,133(1),3-6.
MLA	Kuang, Peng,et al."Positronium time-of-flight measurements of mesoporous silica films".Acta physica polonica a 133.1(2018):3-6.

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