Lanthanum hydride
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Lanthanum hydrides are compounds of lanthanum and hydrogen with the general formula LaH
x.
Lanthanum dihydride and trihydride
Lanthanum dihydride (LaH
2) and lanthanum trihydride (LaH
3) are the two endpoints of a continuum of non-stoichiometric compounds.[1]
Higher lanthanum hydrides
Various polyhydrides of lanthanum can be formed at high pressures. In particular, lanthanum decahydride exhibits superconducting properties below 250 K (−23 °C; −10 °F) at 170 GPa.[2]
References
- ↑ Goon, Edward J. (December 1959). "The Non-Stoichiometry of Lanthanum Hydride". The Journal of Physical Chemistry. 63 (12): 2018–2021. doi:10.1021/j150582a010.
- ↑ Drozdov, A. P.; Kong, P. P.; Minkov, V. S.; Besedin, S. P.; Kuzovnikov, M. A.; Mozaffari, S.; Balicas, L.; Balakirev, F. F.; Graf, D. E.; Prakapenka, V. B.; Greenberg, E.; Knyazev, D. A.; Tkacz, M.; Eremets, M. I. (2019). "Superconductivity at 250 K in lanthanum hydride under high pressures". Nature. 569 (7757): 528–531. arXiv:1812.01561. Bibcode:2019Natur.569..528D. doi:10.1038/s41586-019-1201-8. PMID 31118520. Unknown parameter
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