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Analysis of small angle neutron scattering from nanocrystalline niobium carbide powders using global scattering functions

G. D. BOKUCHAVA1,* , Yu. E. GORSHKOVA1

Affiliation

  1. Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia

Abstract

Small angle neutron scattering (SANS) from nanocrystalline niobium carbide powders was analyzed using global scattering functions. The samples were prepared by high-energy ball milling technique with different milling durations. The experimental data analysis has shown that SANS spectra from such material can be described in terms of combined scattering from surface fractal aggregates and nanocrystalline subparticles with a diffusive surface. Within the applied model the degree of particle polydispersity, nanoparticles size and their distribution versus milling duration were analyzed..

Keywords

Small angle neutron scattering, Microstructure, Nanomaterials.

Submitted at: May 7, 2015
Accepted at: June 24, 2015

Citation

G. D. BOKUCHAVA, Yu. E. GORSHKOVA, Analysis of small angle neutron scattering from nanocrystalline niobium carbide powders using global scattering functions, Journal of Optoelectronics and Advanced Materials Vol. 17, Iss. 7-8, pp. 985-990 (2015)