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Luminescent films of Eu3+ or Tb3+ doped CaZrO3 were epitaxially grown on SrTiO3 or LaAlO3 (001) single crystal substrates by pulsed laser deposition (PLD). They showed a high transmittance in the visible region and a smooth surface. Uniform red photoluminescence (PL) was observed from Eu3+ 5% doped films, and blue and green PL was observed from Tb3+ 0.5% and 5% doped films, respectively. These PL...
Thin films of YAlO3:Gd3+ and YAlO3:Gd3+Pr3+ were prepared on LaAlO3 (001) single crystal substrates by pulsed laser deposition (PLD). Both films were grown epitaxially and their surfaces were uniformly smooth. Under UV excitation at 216 nm, YAlO3:Gd3+ film did not show any intense photoluminescence (PL); on the other hand, YAlO3:Gd3+Pr3+ film showed intense Gd3+ PL at 314 nm through Pr3+ 4f–5d absorption...
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