Growth and luminescent properties of Lu3(Ga,In)5O12:Eu3+ epitaxial films

High quality thin epitaxial films of Lu
₃
(Ga,In)
₅
O
₁₂
:Eu
³⁺
with high effective atomic number were grown by liquid phase epitaxy method. Excitation and emission spectra of Lu
₃
(Ga,In)
₅
O
₁₂
:Eu
³⁺
epitaxial films were studied under UV and X-ray excitations. The photo- and X-ray luminescence spectra of Eu
³⁺
ions in Lu
₃
(Ga,In)
₅
O
₁₂
:Eu
³⁺
are characteristic to the f→f transition in the Eu
³⁺
ions that occupied dodecahedral sites in the garnet structure. The ratio of the bands intensities in luminescence spectra under different types of excitation was determined.