By a News Reporter-Staff News Editor at Science Letter -- Investigators publish new report on Nanoparticles. According to news reporting out of Campinas, Brazil, by NewsRx editors, research stated, "Out-of-plane and primarily in-plane lattice strain distributions, along the two perpendicular crystallographic directions on the subsurface of a silicon layer with embedded FeSi2 nanoparticles, were analyzed and resolved as a function of the synchrotron X-ray beam energy by using omega:phi mappings of the (111) and (111) Bragg-surface diffraction peaks. The nanoparticles, synthesized by ion-beam-induced epitaxial crystallization of Fe+-implanted Si(001), were observed to have different orientations and morphologies (sphere-and plate-like nanoparticles) within the implanted/recrystallized region."
Our news journalists obtained a quote from the research from the State University of Campinas, "The results show that the shape of the synthesized material singularly affects the surrounding Si lattice. The lattice strain distribution elucidated by the nonconventional X-ray Bragg-surface diffraction technique clearly exhibits an anisotropic effect, predominantly caused by plate-shaped nanoparticles."
According to the news editors, the research concluded: "This type of refined detection reflects a key application of the method, which could be used to allow discrimination of strains in distorted semiconductor substrate layers."
For more information on this research see: Lattice strain distribution resolved by X-ray Bragg-surface diffraction in an Si matrix distorted by embedded FeSi2 nanoparticles. Journal of Applied Crystallography, 2013;46():1796-1804. Journal of Applied Crystallography can be contacted at: Wiley-Blackwell, 111 River St, Hoboken 07030-5774, NJ, USA. (Wiley-Blackwell - www.wiley.com/; Journal of Applied Crystallography - onlinelibrary.wiley.com/journal/10.1111/(ISSN)1600-5767)
Our news journalists report that additional information may be obtained by contacting R. Lang, Campinas State University, Inst Fis Gleb Wataghin IFGW, BR-13083859 Campinas, SP, Brazil. Additional authors for this research include A.S. de Menezes, A.O. dos Santos, S. Reboh, E.A. Meneses, L. Amaral and L.P. Cardoso (see also Nanoparticles).
Keywords for this news article include: Brazil, Campinas, South America, Nanotechnology, Emerging Technologies
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