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Journal Articles

Muon spin relaxation in mixed perovskite (LaAlO)(SrAl $_{0.5}$ Ta $_{0.5}$ O) $_{1-x}$ with

Ito, Takashi; Higemoto, Wataru; Koda, Akihiro*; Nakamura, Jumpei*; Shimomura, Koichiro*

Interactions (Internet), 245(1), p.25_1 - 25_7, 2024/12

https://doi.org/10.1007/s10751-024-01866-5

Journal Articles

Charge disproportionation and magnetic properties in perovskite iron oxides

Kuzushita, Kaori; Morimoto, Shotaro*; Nasu, Saburo*

Physica B; Condensed Matter, 329-333(1-4), p.736 - 737, 2003/05

https://doi.org/10.1016/S0921-4526(02)02478-X

Times Cited Count：9 Percentile：45.93(Physics, Condensed Matter)

The physical properties of perovskite iron oxides are closely related to the network of FeO octahedra. The charge disproportionation (2Fe $^{4+}$ Fe $^{3+}$ + Fe $^{5+}$ ), not observed in SrFeO, occurs in the oxides being cut the network of FeO octahedra, for example, by introduction of Fe $^{3+}$ by substitution La for Sr and change in the dimension by insertion of SrO layer. When Co is substituted 40% of Fe in SrFeO, the magnetic order changes to ferromagnetic from antiferromagnetic and charge disproportionation is suppressed.