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Fabrication of Erbium and Ytterbium Co-Doped Tantalum-Oxide Thin Films Using Radio-Frequency Co-Sputtering
2015
Materials Sciences and Applications
An erbium and ytterbium co-doped tantalum-oxide (Ta2O5:Er, Yb) thin film was fabricated using a simple co-sputtering method for the first time, and its photoluminescence (PL) spectrum was evaluated. Energy transfers between Er 3+ and Yb 3+ in the Ta2O5:Er, Yb co-sputtered thin film were discussed by comparing between PL spectra of the Ta2O5:Er, Yb film and Ta2O5:Er or Ta2O5:Yb films reported in our previous works. Such a Ta2O5:Er, Yb co-sputtered film can be used as a high-refractive-index and
doi:10.4236/msa.2015.65039
fatcat:ut4ludtzkvbqbbmlwfbo4a4p44