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MBE Growth and Properties of ZnYbTe Layers

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Sadowski J., Szamota-Sadowska K., Świątek K., Kowalczyk L., Abounadi A., Rajira A.

Acta Physica Polonica A

1996

vol. 90

issue 5

1060-1064

The MBE grown ZnYbTe layers were characterized by X-ray diffraction, photoluminescence and reflectivity measurements. The MBE growth conditions allowing to obtain monocrystalline ZnYbTe layers were found to be metal-rich (MBE growth with excess of Zn flux). In optical measurements (photoluminescence, reflectivity), both transitions connected with ternary ZnYbTe compound and with Yb^{3+} ions were detected. The quality of ZnYbTe layers with Yb content of 3% and 1% is inferior to the quality of pure ZnTe MBE layers, which is clearly seen in the results of photoluminescence and reflectivity measurements. In the ZnYbTe layers with 3% Yb, exhibiting monocrystalline character in reflection high-energy electron diffraction and X-ray diffraction measurements, optical transitions characteristic of pure YbTe were detected. In ZnYbTe layers with 1% Yb, no transitions connected with YbTe were observed.

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1 Acta Physica Polonica A

1 1996

1 Abounadi A.

1 Kowalczyk L.

1 Rajira A.

1 Sadowski J.

1 Szamota-Sadowska K.

1 Świątek K.

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MBE Growth and Properties of ZnYbTe Layers