The solid-state electronic structure and the nature of the chemical bond of the ternary Zintl-phase Li8MgSi6. A tight-binding analysis
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High hydrogen content super-lightweight intermetallics from the Li-Mg-Si system
2013, International Journal of Hydrogen EnergyCitation Excerpt :Seven ternary phases are formed in this system: Li8MgSi6 (τ1), Li12+xMg3−xSi4 (τ2), Li2+xMg1−xSi (τ3), Li2MgSi (τ4), Li65−x+yMg30+x−ySi33 (τ5), Li7−x+yMg5+x−ySi4 (τ6) and Lix+yMg2−xSi (τ7). With exception of the τ1 phase (monoclinic, P21/m, a = 12.701(2) Å, b = 4.347(1) Å, c = 10.507(2) Å, β = 107.58(1)°) [6,7] the composition of all other ternary phases (from τ2 to τ7) lie between the valence-balanced Mg2Si and ∼Li4Si (Li21Si5) phases and are derived by two simultaneous mechanisms: inclusion of lithium atoms and partial substitution of magnesium atoms by lithium. The following scheme shows this phase sequence for Lim+nMg2−mSi (were n – inserted lithium; m – lithium substituting magnesium):
Ba<inf>3</inf>SiI<inf>2</inf>, a double salt of barium iodide and the Zintl phase Ba<inf>2</inf>Si
2000, Journal of Solid State ChemistryStructure and chemical bonding in zintl-phases containing lithium
1990, Progress in Solid State ChemistryTrilithium tetradecaboride Li<inf>3</inf>B<inf>14</inf>: Synthesis, structure, and properties
1988, Journal of Solid State ChemistryThe lithium sodium silicide Li<inf>3</inf>NaSi<inf>6</inf> and the formation of allo-silicon
1988, Journal of The Less-Common MetalsLi<inf>21</inf>Si<inf>5</inf>, a Zintl phase as well as a Hume-Rothery phase
1987, Journal of Solid State Chemistry
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