Materials, Photonic Devices, and Sensors

Raman analysis of chemical substitution of Cd atoms by Hg in CdSe quantum dots and rods

[+] Author Affiliations
Sergei A. Cherevkov, Alexander V. Baranov, Elena V. Ushakova, Alexander P. Litvin, Anatoly V. Fedorov

ITMO University, Faculty of Photonics and Optoinformatics, Department of Optical Physics and Modern Natural Science, 49 Kronverkskiy Prospekt, Saint Petersburg 197101, Russia

Anatol V. Prudnikau, Mikhail V. Artemyev

Belarusian State University, Institute for Physico-Chemical Problems, 14 Leningradskaya Street, Minsk 220080, Belarus

Opt. Eng. 55(1), 017104 (Jan 18, 2016). doi:10.1117/1.OE.55.1.017104
History: Received October 9, 2015; Accepted December 11, 2015
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Abstract.  We investigate nanocrystals of ternary compounds CdXHg1XSe with 0<X<1 using a Raman scattering technique at room temperature. We obtained the correlation between nanocrystal (NC) chemical composition and the frequencies of CdSe-like LO and the HgSe-like TO and LO-modes. It is shown that the crystalline structure of the original CdSe NCs used for Cd/Hg substitution, either zinc blende or wurtzite, strongly affects the structural properties of the resultant CdXHg1XSe quantum dots and rods.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Sergei A. Cherevkov ; Alexander V. Baranov ; Elena V. Ushakova ; Alexander P. Litvin ; Anatoly V. Fedorov, et al.
"Raman analysis of chemical substitution of Cd atoms by Hg in CdSe quantum dots and rods", Opt. Eng. 55(1), 017104 (Jan 18, 2016). ; http://dx.doi.org/10.1117/1.OE.55.1.017104


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