Digitale Medien
s.l. ; Stafa-Zurich, Switzerland
Advanced materials research
Vol. 11-12 (Feb. 2006), p. 23-26
ISSN:
1662-8985
Quelle:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Thema:
Maschinenbau
Notizen:
Nano-sized barium titanate powders were prepared by the high-gravity reactiveprecipitation (HGRP)-hydrothermal method. The properties and defects of hydrothermal bariumtitanate crystallites were investigated by TEM, XRD and FTIR. The mean particle size of thehydrothermal barium titanate was about 70 nm with narrow particle size distribution. The crystallitephases and OH defects were focused. The results show that the powders without heat treatmentwere crystallized as cubic-BaTiO3 and the absence of tetragonal with increasing calcinedtemperature to 1100°C. The IR results exhibited the OH defect content in the crystallites was toincrease the heat treatment temperature and reduced the probability of forming barium vacancies
Materialart:
Digitale Medien
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.11-12.23.pdf
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