Effect of Yb3+ doping level on the structure and spectroscopic properties of ZnO optical ceramics

Gorokhova, E.; Venevtsev, I.; Alekseeva, I.; Khubetsov, A.; Dymshits, O.; Basyrova, L.; Oreschenko, E.; Eron’ko, S.; Muktepavela, F.; Kundzins, K.; Zhilin, A.; Loiko, P.

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Автор

Gorokhova, E.

Venevtsev, I.

Alekseeva, I.

Khubetsov, A.

Dymshits, O.

Basyrova, L.

Oreschenko, E.

Eron’ko, S.

Muktepavela, F.

Kundzins, K.

Zhilin, A.

Loiko, P.

Дата

2021

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Аннотации

Zinc oxide optical ceramics with hexagonal structure doped with 0.6 –5.0 wt% Yb were fabricated by uniaxial hot pressing of commercial oxide powders at 1180 °C in vacuum. The ceramics were characterized by X-ray diffraction, SEM, EDX, X-ray and optical spectroscopy. It is shown that Yb3+ ions are distributed between C-type Yb2O3 sesquioxide crystals and ZnO grain boundaries. The Yb3+ doping of ZnO ceramics enhances the near-band-edge emission of zinc oxide. ZnO:Yb optical ceramics are promising for optoelectronic applications. © 2021 Institute of Physics Publishing. All rights reserved.