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Synthesis and photoluminescence characteristics of AlN nanocrystalline solids

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Abstract.

A new condensed form of AlN nanocrystalline solids was obtained directly from reactions of metal Al and (NH4Cl+NH4I) in liquid ammonia at 550 °C, without the subsequent consolidation process as in the conventional method. The synthesized product is a transparent bulk solid, while the constituted nanocrystals have an average size of about 18 nm and possess the same wurtzite structure as bulk AlN. (NH4Cl+NH4I), which plays a role of a catalyst in the present synthetic route, is indispensable. The photoluminescence spectrum of the AlN nanocrystalline solids shows a broad blue band centered at 400 nm.

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Authors and Affiliations

  1. Institute of Physics and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, P.R. China, , , , , , CN

    Y.G. Cao, X.L. Chen, Y.C. Lan, J.Y. Li, Y.P. Xu, T. Xu, Y. Zhang & J.K. Liang

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  1. Y.G. Cao
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  2. X.L. Chen
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  3. Y.C. Lan
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  4. J.Y. Li
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  5. Y.P. Xu
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  6. T. Xu
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  7. Y. Zhang
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  8. J.K. Liang
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Received: 20 June 2000 / Accepted: 22 June 2000 / Published online: 9 August 2000

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Cao, Y., Chen, X., Lan, Y. et al. Synthesis and photoluminescence characteristics of AlN nanocrystalline solids . Appl Phys A 71, 351–352 (2000). https://doi.org/10.1007/s003390000609

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  • DOI: https://doi.org/10.1007/s003390000609

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