Dielectric relaxation in double potassium yttrium orthophosphate K3Y(PO4)2 doped by ytterbium ions

Optical behaviour of samarium doped potassium yttrium double phosphates

“…Table 2 Energy transitions (in cm À 1 ), radiative transitions probabilities (A ed , A md and A TOT ), radiative lifetime (τ R ) and branching ratios (β R ) for 4 G 5/2 emitting level of Sm 3 þ ion -doped K 3 Y(PO 4 ) 2 crystal. 4 …”

“…The alkali lanthanide inorganic materials, especially double phosphates [1][2][3][4][5][6][7][8] are the objects of wide investigations due to their useful luminescent. The absorption edge of alkali Y(III), La (III), Lu(III) double phosphates is at rather high energies thus they are the efficient host for luminescent materials.…”