Lithium beryllide

Lithium beryllide is a hypothetical intermetallic compound of lithium and beryllium that may have several possible compositions, including LiBe, LiBe₂, Li₂Be, LiBe₃, Li₃Be, Li₂Be₃, Li₃Be₂, LiBe₄ and Li₄Be.{{cite journal | doi = 10.1038/nature06442 | title = Emergent reduction of electronic state dimensionality in dense ordered Li-Be alloys | year = 2008 | last1 = Feng | first1 = Ji | last2 = Hennig | first2 = Richard G. | last3 = Ashcroft | first3 = N. W. | last4 = Hoffmann | first4 = Roald | journal = Nature | volume = 451 | issue = 7177 | pages = 445–8 | pmid = 18216850| bibcode = 2008Natur.451..445F | doi-access = free }} Computational methods indicate that some of these compositions may be superconductive under very high pressure and low temperature.{{cite journal | doi = 10.1103/PhysRevB.78.172501 | title = Ab initio study of superconducting hexagonal Be2Li under pressure | year = 2008 | last1 = Errea | first1 = Ion | last2 = Martinez-Canales | first2 = Miguel | last3 = Bergara | first3 = Aitor | journal = Physical Review B | volume = 78 | issue = 17 | page = 172501 | bibcode = 2008PhRvB..78q2501E }}{{cite journal | doi = 10.1016/j.ssc.2011.09.032 | title = Superconductivity in ordered LiBe alloy under high pressure: A first-principles study | year = 2012 | last1 = Xu | first1 = Ying | last2 = Chen | first2 = Changbo | last3 = Wu | first3 = Baojia | journal = Solid State Communications | volume = 152 | issue = 2 | pages = 151| bibcode = 2012SSCom.152..151X }}