Nogita-anff-2015-hydrogen

Schematic hydrogen release mechanisms from a MgH2 grain: (a) multiple ‘nucleation and growth’ model for bulk MgH2 grains and (b) ‘shrinking core’ model for thin MgH2 TEM samples. Credit: *Nogita, K. et al. (2015). Evidence of the hydrogen release mechanism in bulk MgH2. Scientific Reports, 5, 8450, DOI:10.1038/srep08450.