Calcium titanate
Crystal structure | ||||||||||||||||
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General | ||||||||||||||||
Surname | Calcium titanate | |||||||||||||||
other names |
Calcium titanium oxide (perovskite) |
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Ratio formula | CaTiO 3 | |||||||||||||||
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properties | ||||||||||||||||
Molar mass | 135.94 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
4.1 g cm −3 (25 ° C) |
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Melting point |
1975 ° C |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Calcium titanate is an inorganic chemical compound of calcium from the group of titanates .
Occurrence
Calcium titanate occurs naturally in the form of the mineral perovskite .
Extraction and presentation
Calcium titanate can be obtained by reacting calcium oxide with titanium (IV) oxide at 1350 ° C.
properties
Calcium titanate is a solid. It crystallizes monoclinically - pseudocubically .
use
Calcium titanate is used as a dielectric in ceramic capacitors (also as a mixed ceramic with barium titanate ) and as a coating material for implants.
Individual evidence
- ↑ a b c d e f data sheet Calcium titanate, nanopowder, <100 nm particle size (BET), 99% trace metals basis from Sigma-Aldrich , accessed on December 6, 2015 ( PDF ).
- ↑ Data sheet Calcium titanium oxide, 99 +% (metals basis) from AlfaAesar, accessed on December 6, 2015 ( PDF )(JavaScript required) .
- ^ Dale L. Perry: Handbook of Inorganic Compounds, Second Edition . CRC Press, 2011, ISBN 978-1-4398-1462-8 , pp. 99 ( limited preview in Google Book search).
- ↑ Alfred Hecht: Electro-ceramic materials, production, testing, applications . Springer-Verlag, 2013, ISBN 978-3-642-52724-1 , pp. 17 ( limited preview in Google Book search).
- ^ Siegfried Behrendt, Ralf Pfitzner, Rolf Kreibich, Kurt Hornschild: Innovations for Sustainability Ecological Aspects of Information and Communication Technologies . Springer-Verlag, 2013, ISBN 978-3-642-58892-1 , pp. 296 ( limited preview in Google Book search).
- ↑ Hubert Gräfen, VDI-Gesellschaft Werkstofftechnik: Lexikon Werkstofftechnik, corrected reprint . Springer-Verlag, 2013, ISBN 978-3-642-51732-7 , pp. 293 ( limited preview in Google Book search).
- ↑ Anke Bernstein, Georg Berger, Jörg Brandt, Ralph Wenkel, nate Gildenhaar, Thorsten Zielezinski, Doreen Nöbel: Calcium titanate (Ca4Ti3O10) - a new material for implant coatings. In: BIO materials. 5, 2004, doi : 10.1515 / BIOMAT.2004.5.4.242 .