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IOP Publishing, Journal of Physics: Conference Series, (643), p. 012043, 2015

DOI: 10.1088/1742-6596/643/1/012043

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The effect of the sulfide passivation on the luminescence of microdisk mesas with quantum wells and quantum dots

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Sulphide passivation was used for reducing the surface recombination velocity of microdisk mesas based on (AlGaIn)As/GaAs heterostructures with active region formed either by ten GaAs/AlAs quantum wells or by 1 layer of InAs/In0.15Ga0.85As quantum dots. It was demonstrated that the sulfide passivation results in substantial increase of photoluminescence intensity in all types of the mesa-structures studied.