Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2011-07-25
J. Phys. Soc. Jpn. 80 (2011) 104705
Physics
Condensed Matter
Strongly Correlated Electrons
16 pages, 6 figures, to be published in J. Phys. Soc. Jpn
Scientific paper
10.1143/JPSJ.80.104705
Magnetization has been measured for polycrystalline samples of LaCo1-xRhxO3 (0 {\leq} x {\leq} 0.9) in order to investigate magnetism induced in the solid solution of two nonmagnetic end phases of LaCoO3 and LaRhO3. It is found that a ferromagnetic transition is observed below 15 K in the range of x from 0.1 to 0.4. The effective Bohr magnetic moment evaluated from the temperature dependence of magnetic susceptibility at around room temperature is independent of x for 0 < x < 0.5 (approximately 3 {\mu}B per formula unit), and rapidly decreases above x = 0.5. On the basis of detailed magnetization measurements, the spin state and magnetic ordering of LaCo1-xRhxO3 are discussed.
Asai Shinichiro
Furuta Noriyasu
Terasaki Ichiro
Yasui Yukio
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