Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 181, Issue 5, Pages 1227-1235Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2008.01.050
Keywords
SANS; porous materials; nano-ceramics; NiO
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Nano-crystalline nickel oxide powder was synthesized by a precipitation route. Powder samples were heat treated at 300, 600 and 900 degrees C, and pore structure evolution was followed by small angle neutron scattering (SANS) technique. SANS measurements were carried out also on pelleted samples in order to study the modifications of pore morphology due to heat treatment. SANS data reveal scattering from pores at two different length scales. The pore structure at various heat treatment temperatures does not follow any scaling behavior. (C) 2008 Elsevier Inc. All rights reserved.
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