Turkish Journal of Physics
DOI
-
Abstract
Spinel nickel manganite has been synthesized using ceramic technique, from (2MnO$_{2}$+NiO) mixture reduced using LiAlH$_{4}$. Powder X-ray diffractometry (XRD) indicates the formation of cubic spinel (a=8.33 A^o), while IR absorption spectral features are rather broad, though similar to those of spinel. The d.c. electrical conductivity of the ceramic is much smaller than that reported for NiMn$_{2}$O$_{4}$. Even though the band gap remains the same, when the sintering temperature is increased from 950^oC to 1100 ^oC, all other changes are insignificant except that the porosity and particle size nearly halve. The characteristics of the system are discussed in terms of `lithiation'.
First Page
701
Last Page
708
Recommended Citation
SALVI, S. V. and PARAB, M. R. (2000) "Synthesis and Characteristics of Nickel Manganite by Lithiation," Turkish Journal of Physics: Vol. 24: No. 6, Article 3. Available at: https://journals.tubitak.gov.tr/physics/vol24/iss6/3
