TY - JOUR
T1 - Chemical state of Fe in LaNi 1-xFe xO 3 and its effect on electrical conduction property
AU - Hashimoto, Takuya
AU - Niwa, Eiki
AU - Uematsu, Chie
AU - Miyashita, Erina
AU - Ohzeki, Takeshi
AU - Shozugawa, Katsumi
AU - Matsuo, Motoyuki
N1 - Funding Information:
Acknowledgements This work was financially supported by a grant from the “Strategic Research Base Development” Program for Private Universities subsidized by MEXT (2009) and Nihon University Strategic Projects for Academic Research “Nanotechnology Excellence-Nanomaterial based Photonic and Quantum Technologies.”
PY - 2012/3
Y1 - 2012/3
N2 - Mössbauer absorption spectra of single phase LaNi 1 - xFe xO 3 (0.2 ≤ x ≤ 1.0) have been measured. Increase of quadrupole splitting with increasing x from 0.2 to 0.6 suggested successful substitution of Fe ion for Ni. Variation of isomer shift with x suggested valence of Fe approched 4+, i.e., concentration of itinerant hole on Fe increased with decrease of Fe content, showing agreement with increase of electrical conductivity with decreasing x from 1.0 to 0.4. It can be prospected that higher electrical conductivity might be obtained if sintering property of the specimens with x less than 0.4 is improved.
AB - Mössbauer absorption spectra of single phase LaNi 1 - xFe xO 3 (0.2 ≤ x ≤ 1.0) have been measured. Increase of quadrupole splitting with increasing x from 0.2 to 0.6 suggested successful substitution of Fe ion for Ni. Variation of isomer shift with x suggested valence of Fe approched 4+, i.e., concentration of itinerant hole on Fe increased with decrease of Fe content, showing agreement with increase of electrical conductivity with decreasing x from 1.0 to 0.4. It can be prospected that higher electrical conductivity might be obtained if sintering property of the specimens with x less than 0.4 is improved.
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U2 - 10.1007/s10751-011-0404-7
DO - 10.1007/s10751-011-0404-7
M3 - Article
AN - SCOPUS:84859622147
SN - 0304-3843
VL - 206
SP - 47
EP - 50
JO - Hyperfine Interactions
JF - Hyperfine Interactions
IS - 1-3
ER -