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Octahedral site occupation in lanthanum dihydride

Conference ·
OSTI ID:5413796
The distribution of hydrogen ions among the octahedral and tetrahedral sites in lanthanum hydride has been determined at liquid helium temperatures for hydrogen/metal ratios from 1.90 to 2.04. Electron spin resonance spectra of dilute erbium ions substituted for host metal atoms establish the hydrogen site occupation adjacent to the erbium versus hydrogen loading. These data together with a lattice-gas calculation yield the site occupation versus hydrogen concentration in bulk lanthanum hydride, which is such that 2% of the octahedral sites are filled in LaH/sub 2/ /sub 00/.
Research Organization:
Sandia National Labs., Albuquerque, NM (USA)
DOE Contract Number:
AC04-76DP00789
OSTI ID:
5413796
Report Number(s):
SAND-82-0168C; CONF-820325-1; ON: DE82008467
Country of Publication:
United States
Language:
English

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