Browsing Closed by Author "Armstrong Nicholas"

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Browsing Closed by Author "Armstrong Nicholas"

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  • Analysis of admixed CeO2 nanoparticles via TEM and x-ray diffraction techniques 
    Vella A; Whitley Rhys; Armstrong Nicholas; Dowd Annette; Cline James (Australian Institute of Physics, 2006)
    The techniques used to identify nanoparticle size and shape characteristics are of vital importance in the development of functional nanoparticles. Each technique offers different advantages; this work compares the two ...
  • Bayesian analysis of ceria nanoparticles from line profile data 
    Armstrong Nicholas; Dowd Annette; Cline James; Kalceff Walter (International Centre for Diffraction Data, 2005)
    A Bayesian/Maximum entropy (MaxEnt) method is applied to quantify the broadening of xray line profiles in terms of the nanocrystallite size effects in ceria. The analysis is in general agreement with transmission electron ...
  • X-ray diffraction characterisation of nanoparticles size and shape distributions: application to bimodal distributions 
    Armstrong Nicholas; Kalceff Walter; Cline James; Bonevich John; Lynch Peter; Tang Chiu; Thompson Steve (Australian Institute of Physics, 2004)
    We present a novel Bayesian/Maximum Entropy method to detect and resolve the modal characteristics of size distributions from x-ray diffraction line profiles. To our knowledge, none of the existing alternative methods ...