Research Papers

Biexciton in nanoheterostructures of dielectric quantum dots

[+] Author Affiliations
Sergey I. Pokutnyi

National Academy of Sciences of Ukraine, Chuiko Institute of Surface Chemistry, 17 General Naumov Street, Kyiv 03164, Ukraine

Yuri N. Kulchin

FEB Russian Academy of Sciences, Institute of Automation and Control Processes, 5 Radio Street, Vladivostok, Primorskiy kray, 690041, Russia

Far Eastern Federal University, 8 Suhanova Street, Vladivostok 690950, Russia

Vladimir P. Dzyuba, Andrey V. Amosov

FEB Russian Academy of Sciences, Institute of Automation and Control Processes, 5 Radio Street, Vladivostok, Primorskiy kray, 690041, Russia

J. Nanophoton. 10(3), 036008 (Aug 03, 2016). doi:10.1117/1.JNP.10.036008
History: Received April 26, 2016; Accepted July 12, 2016
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Abstract.  It has been found that the formation of a biexciton in a nanoheterostructures (NHS) made up of aluminum oxide quantum dots (QDs) synthesized in a dielectric matrix is of threshold character and can occur in a nanosystem, where the distance D between the surfaces of QD is given by the condition Dc(1)DDc(2). We have shown that with such an NHS acting as “exciton molecules” (biexcitons consisting of spatially separated electrons and holes) are the QDs of aluminum oxide with excitons localizing over their surfaces. The position of the biexciton state energy band depends both on the mean radius of the QDs, and the distance between their surfaces, which enables one to purposefully control it by varying these parameters of the nanostructure.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Sergey I. Pokutnyi ; Yuri N. Kulchin ; Vladimir P. Dzyuba and Andrey V. Amosov
"Biexciton in nanoheterostructures of dielectric quantum dots", J. Nanophoton. 10(3), 036008 (Aug 03, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.036008


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