Preparation and characterization of nano rare earths

Details Preparation and characterization of nano rare earths Preparation and characterization of nano rare earths

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008njph...10b3024s&link_type=abstract

New Journal of Physics, Volume 10, Issue 2, pp. 023024 (2008).

Physics

Scientific paper

Rare earth (RE) nanoparticles with single-crystal structure and controllable size, and RE nanocrystalline bulks with ultrafine grain sizes (3 8 nm), were prepared with a home-configured `oxygen-free' in situ synthesis system. Systematic investigations revealed the characteristic structures and properties of the nano REs. As compared with the conventional polycrystalline REs, the prepared ultrafine nanocrystalline REs show remarkably different physical, thermal and mechanical properties, which are of broad scientific and engineering interest. The series of structure and property characterizations are significant to further develop the fundamental database for the nano REs. As a particular contribution to the characterization of the RE family on the nanoscale, this work implements a clear guideline for the composition design and the scale control in the development of advanced nano RE functional and structural materials.

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