H-Y, H-x polyhedra, Rare earth

• Fe-H-Y
• H-Mn-Y
• H-Ni-Y
• C-H-Y
• thermal and thermodynamic properties
• magnetic properties
• structural properties
• electronic and electrical properties
• optical properties
• rare earth
• transitional
• disordered
• deuteride
• deuterium
• trigonal
• cubic
• monoclinic
• tetragonal
• hexagonal