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Characterisation of amorphous silica in air-oxidised Ti3SiC2 at 500-1000 °C using secondary-ion mass spectrometry, nuclear magnetic resonance and transmission electron microscopy
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Pang, W. K., Low, I. M. and Hanna, John V. (2010) Characterisation of amorphous silica in air-oxidised Ti3SiC2 at 500-1000 °C using secondary-ion mass spectrometry, nuclear magnetic resonance and transmission electron microscopy. Materials Chemistry and Physics, Vol.121 (No.3). pp. 453-458. doi:10.1016/j.matchemphys.2010.02.005
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Official URL: http://dx.doi.org/10.1016/j.matchemphys.2010.02.00...
Abstract
In this paper we have described the use of secondary-ion mass spectrometry (SIMS), solid state Si-29 magic-angle-spinning (MAS) nuclear magnetic resonance (NMR) and transmission electron microscopy (TEM) to detect the existence of amorphous silica in Ti3SiC2 oxidised at 500-1000 degrees C. The formation of amorphous SiO2 and growth of crystalline TiO2 with temperature was monitored using dynamic SIMS and synchrotron radiation diffraction. A duplex structure with an outer TiO2-rich layer and an inner mixed layer of SiO2 and TiO2 was observed. Results of NMR and TEM verified for the first time the direct evidence of amorphous silica formation during the oxidation of Ti3SiC2 at the temperature range 500-1000 degrees C. (C) 2010 Elsevier B.V. All rights reserved.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | Materials Chemistry and Physics | ||||
| Publisher: | Elsevier SA | ||||
| ISSN: | 0254-0584 | ||||
| Official Date: | 1 June 2010 | ||||
| Dates: |
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| Volume: | Vol.121 | ||||
| Number: | No.3 | ||||
| Number of Pages: | 6 | ||||
| Page Range: | pp. 453-458 | ||||
| DOI: | 10.1016/j.matchemphys.2010.02.005 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | ARC, ARC Linkage-International, AINSE, Australian Synchrotron, Australian Research Council, High Energy Accelerator Research Organisation (KEK) in Tsukuba, Japan | ||||
| Grant number: | DP0664586, LX0774743, 08/041, P21, P1334, LE0989759 |
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