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Micro-Photoluminescence Studies of CdSe/ZnSe Quantum Dot Structures Grown under Different Conditions

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Rakhlin M., Sorokin S., Sedova I., Usikova A., Gronin S., Belyaev K., Ivanov S., Toropov A.

Acta Physica Polonica A

2016

vol. 129

issue 1a

A-117-A-119

We report on comparative studies of CdSe/ZnSe quantum dot structures grown by molecular beam epitaxy either with or without predeposition of a sub-monolayer-thick CdTe layer (stressor). Also we consider the structure grown in a thermal activation mode. Emission properties of individual quantum dots are investigated by micro-photoluminescence spectroscopy using 500 nm apertures opened in a non-transparent gold mask. The density of emitting quantum dots and the spectral width of the single-dot emission lines are estimated.

Negative Differential Conductivity in InAs/AlSb Superlattices

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Kagan M., Altukhov I., Baranov A., Il'ynskaya N., Paprotskiy S., Sinis V., Teissier R., Usikova A.

Acta Physica Polonica A

2011

vol. 119

issue 2

210-211

The negative differential conductivity and electric instabilities are found to appear in type-II InAs/AlSb superlattices. The origin of the nonlinear effects is discussed.

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2 Acta Physica Polonica A

1 2016

1 2011

2 Usikova A.

1 Altukhov I.

1 Baranov A.

1 Belyaev K.

1 Gronin S.

1 Il'ynskaya N.

1 Ivanov S.

1 Kagan M.

1 Paprotskiy S.

1 Rakhlin M.

1 Sedova I.

1 Sinis V.

1 Sorokin S.

1 Teissier R.

1 Toropov A.

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Micro-Photoluminescence Studies of CdSe/ZnSe Quantum Dot Structures Grown under Different Conditions

Negative Differential Conductivity in InAs/AlSb Superlattices