Structure of Partly Vacuum Extracted MgH2 Samplesстатья
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Аннотация:The structure of partly desorbed and quenched samples of MgH2 has been investigated by
the neutron diffraction method. In ambient conditions a partly desorbed sample demonstrates high
stability, while the same sample quenched at low temperature decomposed into Mg after several
days. Obtained neutron data showed that all studied samples contain coexisting Mg and MgH2
phases. Hydrogen distribution for both quenched and non-quenched samples is similar. Hydrogen
atoms occupied sites predominantly in the MgH2 lattice, whereas Mg lattice is free of the hydrogen.