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Time Resolved Photoluminescence Study of the Wide (Cd,Mn)Te/(Cd,Mg)Te Quantum Well

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Kutrowska J., Bugajny P., Baranowski M., Bryja L., Syperek M., Wójs A., Misiewicz J., Wiater M., Karczewski G.

Acta Physica Polonica A

2013

vol. 124

issue 5

895-897

The static and dynamic properties of excitons and trions in a 80 nm wide Cd_{1-x}Mn_xTe/Cd_{0.7}Mg_{0.3}Te quantum well with extremely small Mn content (x=0.00027) have been studied by means of time-integrated and time-resolved photoluminescence experiment at low and elevated temperatures. The trion binding energy has been estimated to be 2.6 ± 0.8 meV. The exciton and trion lifetimes have been measured to be ≈ 150 ps, and ≈ 200 ps, respectively. The temperature dependence of both lifetimes together with the multicomponent character of the PL decay process suggest a spatial localization of excitons and trions in the investigated quantum well.

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1 Acta Physica Polonica A

1 2013

1 Baranowski M.

1 Bryja L.

1 Bugajny P.

1 Karczewski G.

1 Kutrowska J.

1 Misiewicz J.

1 Syperek M.

1 Wiater M.

1 Wójs A.

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Time Resolved Photoluminescence Study of the Wide (Cd,Mn)Te/(Cd,Mg)Te Quantum Well