Dopant segregation in Czochralski grown rare-earth-ion doped 6LiCaAlF6 single crystal for thermal neutron detection

Dopant segregation in Ce doped ⁶LiCaAlF₆ single crystal was researched by evaluating a position dependence of light yields in the crystal. Ce doped ⁶LiCaAlF₆ single crystal was grown by Czochralski technique and several parts of the crystal were cut from grown crystal and polished. Position dependence of radioluminescence spectra and pulse height spectra were investigated.