Abstract

Effect of Mn substitution in paramagnetic metal CaRuO3 was studied by magnetization measurements. Development of ferromagnetic order was observed for x ≥ 0.2 in CaRu1-xMnxO3. The ratio of the effective moment and the spontaneous magnetization Peff/M(0) is much larger than one in this ferromagnetic state. At low temperatures the antiferromagnetic order coexists with the ferromagnetic one and the magnetization is significantly suppressed with decreasing temperature. The magnetic phase diagram in CaRu1-xMnxO3 with 0.3 ≤ x ≤ 0.8 estimated from the magnetization measurements is reported.

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