Interaction between Intermetallic Compounds RNi3 (R = Gd, Dy) and Hydrogen at Low Temperaturesстатья
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Дата последнего поиска статьи во внешних источниках: 4 сентября 2018 г.
Аннотация:The hydride phases of the intermetallic compounds GdNi3 and DyNi3 are synthesized at room
temperature and at 273 K under a hydrogen pressure of 1–30 bar. The phase composition of the obtained
samples is established using the X-ray diffraction method and the crystal-lattice parameters of the hydride
phase are determined. The crystal phases are synthesized at room temperature under a hydrogen pressure of
about 1 bar. At 273 K and under a pressure of 30 bar, amorphous samples are formed. The desorption of
hydrogen from amorphous hydrides at 573 K leads to the formation of well-crystallized samples of the initial
intermetallides. The amorphous samples are formed due to the ordering of hydrogen atoms in the metallic
matrix of the hydride at low temperatures.