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Stoichiometric and ultra-stable nanoparticles of II-VI compound semiconductors

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Abstract.

Nanoparticles of (CdSe)n are found extremely stable at n = 33 and 34 with structures distinctively different from the bulk fragments. They grow exclusively in large amount with a simple solution method. The diameter is determined as 1.5 nm. Such ultra-stable nanoparticles had been predicted both theoretically and experimentally after the discovery of carbon fullerenes, but not been produced macroscopically in any other element or compound system. First-principles calculations predict that the structures of (CdSe)33 and (CdSe)34 are puckered (CdSe)28-cages accommodating respectively (CdSe)5 an (CdSe)6 inside to form a three-dimensional network of essentially hetero-polar sp3-bonding.

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Authors and Affiliations

  1. Center for Interdisciplinary Research, Tohoku University, Sendai, Japan

    A. Kasuya, Y. Noda, I. Dmitruk, V. Romanyuk, Y. Barnakov & V. Kumar

  2. Graduate School of Environmental Studies, Sendai, Japan

    K. Tohji

  3. Institute for Materials Research, Tohoku University, Sendai, Japan

    V. Kumar, R. Belosludov & Y. Kawazoe

  4. VKF, Chennai, India

    V. Kumar

  5. Graduate School of Medicine, Tohoku University, Sendai, Japan

    N. Ohuchi

Authors
  1. A. Kasuya
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  2. Y. Noda
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  3. I. Dmitruk
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  4. V. Romanyuk
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  5. Y. Barnakov
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  6. K. Tohji
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  7. V. Kumar
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  8. R. Belosludov
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  9. Y. Kawazoe
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  10. N. Ohuchi
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Corresponding author

Correspondence to A. Kasuya.

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Kasuya, A., Noda, Y., Dmitruk, I. et al. Stoichiometric and ultra-stable nanoparticles of II-VI compound semiconductors. Eur. Phys. J. D 34, 39–41 (2005). https://doi.org/10.1140/epjd/e2005-00114-9

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  • DOI: https://doi.org/10.1140/epjd/e2005-00114-9

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