期刊
CHEMICAL PHYSICS LETTERS
卷 501, 期 4-6, 页码 419-422出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2010.11.032
关键词
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资金
- Russian Foundation for Basic research [10-02-90044]
- INSA Toulouse
Al nanoparticles (NPs) are synthesized by laser ablation of a bulk Al target immersed into liquid ethanol saturated with H(2) at atmospheric pressure. The nanoparticles possess a well-distinguished core-shell structure. High resolution transmission electron microscopy shows several layers inside the Al nanoparticle: oxide layer, amorphous Al, single crystal, and a cavity in the center. Formation of the cavity is attributed to the sharp increase of hydrogen dissolution in Al upon its melting and its release after the solidification and crystallization of the aluminium core. (C) 2010 Elsevier B. V. All rights reserved.
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