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A new aluminum coordination site in Si-C-Al-N-(O) ceramics

Li, XD; Edirisinghe, MJ; (2003) A new aluminum coordination site in Si-C-Al-N-(O) ceramics. J AM CERAM SOC , 86 (12) 2212 - 2214.

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Abstract

A variety of Si-C-Al-N-(O) ceramics with different AlN and SiC contents were prepared by pyrolysis of Si-Al-C-O precursors at 1700degreesC in nitrogen. In those ceramics containing small amounts of aluminum, a new Al-27 MAS NMR peak at 134.3 ppm was found. The existence of this peak is discussed in relation to recent findings in aluminum-containing complex ceramic systems.

Type: Article
Title: A new aluminum coordination site in Si-C-Al-N-(O) ceramics
Keywords: NUCLEAR-MAGNETIC-RESONANCE, STRUCTURAL-CHARACTERIZATION, AL-27, SI-29, PYROLYSIS, NMR
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/105838
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