Chemistry:Lanthanum oxyfluoride
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3D model (JSmol)
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PubChem CID
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| Properties | |
| LaOF | |
| Molar mass | 173,90 g/mol |
| Appearance | colorless crystals |
| Related compounds | |
Related compounds
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Yttrium oxyfluoride, thorium oxyfluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Tracking categories (test):
Lanthanum(III) oxyfluoride is an inorganic compound of lanthanum metal, fluorine, and oxygen with the chemical formula LaOF.[1][2]
Synthesis
- Hydrolysis of lanthanum fluoride by superheated steam:
- 2LaF
3 + H
2O → LaOF + 2HF
- 2LaF
- Decomposition of lanthanum fluoride semihydrate when heated in vacuum:
- 2LaF
3 · 0.5H
2O → LaOF + LaF
3 + 2HF
- 2LaF
- Sintering lanthanum oxide with lanthanum fluoride in vacuum:
- La
2O
3 + LaF
3 → 3LaOF
- La
Physical properties
The compound forms colorless crystals.
Uses
The compound is used to produce thin films.[3][4]
References
- ↑ Jacob, Kallarackel T.; Saji, Viswanathan S.; Waseda, Yoshio (July 2006). "Lanthanum Oxyfluoride: Structure, Stability, and Ionic Conductivity". International Journal of Applied Ceramic Technology 3 (4): 312–321. doi:10.1111/j.1744-7402.2006.02086.x. https://ceramics.onlinelibrary.wiley.com/doi/abs/10.1111/j.1744-7402.2006.02086.x. Retrieved 21 March 2023.
- ↑ Suresh, C.; Nagabhushana, H.; Darshan, G.P.; Basavaraj, R.B.; Daruka Prasad, B.; Sharma, S.C.; Sateesh, M.K.; Shabaaz Begum, J.P. (February 2018). "Lanthanum oxyfluoride nanostructures prepared by modified sonochemical method and their use in the fields of optoelectronics and biotechnology". Arabian Journal of Chemistry 11 (2): 196–213. doi:10.1016/j.arabjc.2017.03.006.
- ↑ Barreca, Davide; Gasparotto, Alberto; Maragno, Cinzia; Tondello, Eugenio (December 2004). "Nanocrystalline Lanthanum Oxyfluoride Thin Films by XPS". Surface Science Spectra 11 (1): 52–58. doi:10.1116/11.20050401. Bibcode: 2004SurSS..11...52B. https://avs.scitation.org/doi/10.1116/11.20050401. Retrieved 21 March 2023.
- ↑ Kawamura, Junichi (2007) (in en). Proceedings of the 1st International Discussion Meeting on Superionic Conductor Physics: Kyoto, Japan, 10-14 September 2003. World Scientific. p. 48. ISBN 978-981-270-690-4. https://books.google.com/books?id=oO5QnyG1fXUC&dq=lanthanum+oxyfluoride+LaOF&pg=PA48. Retrieved 21 March 2023.
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