The studied ceramic radiation detectors [Li.sup.2][B.sup.4][O.sup.7]:Mn and [Li.sup.2][B.sup.4][O.sup.7]:Mn,Be contain mostly polycrystalline lithium tetraborate, with the amount of glass phase being negligible.
Raman and hyper-Rayleigh scattering in lithium tetraborate crystals.
The electronic structure and secondary pyroelectric properties of lithium tetraborate. Materials, 2010, 3, 4550-4579.
EPR of [Cu.sup.2+] in lithium tetraborate single crystals.