Growth of group II-VI semiconductor quantum dots with strong quantum confinement and low size dispersion

CdTe quantum dots embedded in glass matrix are grown using two‐step annealing method. The results for the optical transmission characterization are analysed and compared with the results obtained from CdTe quantum dots grown using conventional single‐step annealing method. A theoretical model for th...

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Published in:Physica Status Solidi (b) 2003-11, Vol.240 (1), p.134-138
Main Authors: Pandey, Praveen K., Sharma, Kriti, Nagpal, Swati, Bhatnagar, P. K., Mathur, P. C.
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Language:English
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61.46.+w
68.65.Hb
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Clusters, nanoparticles, and nanocrystalline materials
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties
Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals
Physics
Structure of solids and liquids
crystallography
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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cited_by cdi_FETCH-LOGICAL-c3868-14218f47a74174652118ffcc81e896d5c7ea969a4d3709861260fae465b170783
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container_title Physica Status Solidi (b)
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creator Pandey, Praveen K.
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Mathur, P. C.
description CdTe quantum dots embedded in glass matrix are grown using two‐step annealing method. The results for the optical transmission characterization are analysed and compared with the results obtained from CdTe quantum dots grown using conventional single‐step annealing method. A theoretical model for the absorption spectra is used to quantitatively estimate the size dispersion in the two cases. In the present work, it is established that the quantum dots grown using two‐step annealing method have stronger quantum confinement, reduced size dispersion and higher volume ratio as compared to the single‐step annealed samples. (© 2003 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
doi_str_mv 10.1002/pssb.200301868
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subjects 61.46.+w
68.65.Hb
71.55.Gs
81.07.−b
Clusters, nanoparticles, and nanocrystalline materials
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties
Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals
Physics
Structure of solids and liquids
crystallography
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
title Growth of group II-VI semiconductor quantum dots with strong quantum confinement and low size dispersion
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