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Synthesis and characterization of a novel Y-Fe phase via kinetic neutron diffraction

Kilcoyne, SH, Manuel, P and Ritter, C 2001, 'Synthesis and characterization of a novel Y-Fe phase via kinetic neutron diffraction' , Journal of Physics: Condensed Matter, 13 (22) , pp. 5241-5250.

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Abstract

Kinetic in situ neutron diffraction has been used to study the crystallization of amorphous Y67Fe33. The results show that partial crystallization first occurs close to 300 ◦C where the Y phase is formed. The entire sample crystallizes at 390 ◦C and new Bragg peaks appear, signifying the formation of a novel Y–Fe phase. This new phase coexists with Y to 450 ◦C when the Bragg peaks associated with this phase rapidly decrease in intensity and YFe2 also coexisting with Y, emerges as the final crystallization product. Rietveld refinement shows that the new phase crystallizes into a hexagonal structure, space group P63/mmc, with a = 12.8893(7) Å, c = 11.7006(9) Å and γ = 120◦.

Item Type: Article
Themes: Subjects / Themes > Q Science > QC Physics
Subjects outside of the University Themes
Schools: Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
Journal or Publication Title: Journal of Physics: Condensed Matter
Publisher: Institute of Physics
Refereed: Yes
ISSN: 09538984
Related URLs:
Depositing User: H Kenna
Date Deposited: 22 Aug 2007 12:59
Last Modified: 20 Aug 2013 15:46
URI: http://usir.salford.ac.uk/id/eprint/305

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