X-ray photoelectron study of oxygen bonding in crystalline C-S-H phases

被引：42
作者：
Black, L
Garbev, K
Stemmermann, P
Hallam, KR
Allen, GC
机构：
[1] Forschungszentrum Karlsruhe GmbH ITC WGT, D-76344 Eggenstein Leopoldshafen, Germany
[2] Univ Bristol, Interface Anal Ctr, Bristol BS2 8BS, Avon, England
来源：
PHYSICS AND CHEMISTRY OF MINERALS | 2004年 / 31卷 / 06期
关键词：
X-ray photoelectron spectroscopy; calcium silicate hydrates; structure; bridging oxygen; non-bridging oxygen;
D O I：
10.1007/s00269-004-0401-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We recorded the photoelectron spectra of various crystalline calcium silicate hydrates (C-S-Hs) and have examined their O 1 s photoelectron spectra. The spectra are asymmetric, with contributions assigned primarily to bridging and non-bridging oxygen species. There is an increased contribution due to the presence of non-bonding oxygen atoms with increasing calcium:silicon ratio. Additionally, there are slight changes in theO 1s-binding energies with changes in calcium:silicon ratio. These changes are explained in terms of bonding and silicate structure.
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收藏
页码：337 / 346
页数：10
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