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Three-dimensional structure of
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The three-dimensional structure of oleic acid-capped CdSe and thiol-capped CdTe nanocrystals used as quantum dots has been determined by total synchrotron radiation x-ray diffraction and atomic pair distribution function analysis. Both CdSe and CdTe are found to exhibit the zinc-blende-type atomic ordering. It is only slightly distorted in CdSe implying the presence of nanosize domains and very heavily distorted in CdTe due to the presence of distinct core-shell regions. The results well demonstrate the great potential of the experimental approach and thus encourage its wider application in quantum dot research.
Published in:
Journal of Applied Physics
(Volume:102
,
Issue:
4
)
Date of Publication: Aug 2007
- Page(s):
- 044304 - 044304-6
- ISSN :
- 0021-8979
- Digital Object Identifier :
- 10.1063/1.2767615
- Date of Current Version :
- 18 June 2009
- Issue Date :
- Aug 2007
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