Some peculiarities of interactions in the Hf2Fe−H2 system at low temperatures and high pressures

Autor:	Semen N. Klyamkin, V. V. Burnasheva, Semenenko Kirill N
Rok vydání:	1997
Předmět:	Hydrogen Hydride Inorganic chemistry chemistry.chemical_element General Chemistry Crystal structure Atmospheric temperature range Metal chemistry Metal carbonyl hydride visual_art Atom visual_art.visual_art_medium Physical chemistry Absorption (chemistry)
Zdroj:	Russian Chemical Bulletin. 46:28-31
ISSN:	1573-9171 1066-5285
DOI:	10.1007/bf02495341
Popis:	Hydride formation was studied in the Hf2Fe−H2 system at hydrogen pressure of up to 2000 atm in a temperature range from 195 to 295 K. Hydride phases of different compositions were studied by the X-ray diffraction method. The hydrogenation reaction in the system can take two pathways to form two stable hydride phases depending on the conditions of initial hydrogenation. Absorption of hydrogens at a pressure of about 2000 atm yields a hydride which contains two H atoms per metal atom. Models of the arrangement of hydrogen atoms in the crystal lattice of hydride phases were suggested.
Databáze:	OpenAIRE
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