Abstract: | A new kind of 5 at% Yb‐doped Lu0.5Y0.5PO4 crystals were firstly grown by spontaneously nucleated high‐temperature solution method using lead pyrophosphate (Pb2P2O7) as the solvent. The X‐ray powder diffraction (XRPD) patterns recorded at room temperature showed the crystals possessed tetragonal xenotime structure. The polarized absorption spectra and the fluorescence spectra of Yb:LuxY1‐xPO4 were measured at room temperature, respectively. The results show that Yb:LuxY1‐xPO4 mixed crystal will be a promising laser material if the crystal size and quality is further improved. |