The effect of Ru-site dopants on the magnetic properties of CaRuO3

T. He; R. J. Cava

doi:10.1088/0953-8984/13/36/309

The effect of Ru-site dopants on the magnetic properties of CaRuO₃

T. He, R. J. Cava

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73 Scopus citations

Abstract

The effects of Ru-site metal dopants on the low-temperature magnetization of CaRuO₃ are reported. Dopants of two types are tested: those with closed d shells in their expected oxidation state (Al³⁺, Zn²⁺, Ti⁴⁺, V⁵⁺ and Pt²⁺), and those with unpaired d electrons (Mn⁴⁺, Fe³⁺, Co²⁺, Ni²⁺ and Cu²⁺) in their expected oxidation state. The results are consistent with the recent proposal that CaRuO₃ is not a classical antiferromagnet, but rather is poised at a critical point between ferromagnetic and paramagnetic ground states. Ti, Fe, Mn and Ni doping result in ferromagnetic behaviour.

Original language	English (US)
Pages (from-to)	8347-8361
Number of pages	15
Journal	Journal of Physics Condensed Matter
Volume	13
Issue number	36
DOIs	https://doi.org/10.1088/0953-8984/13/36/309
State	Published - Sep 10 2001

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics

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10.1088/0953-8984/13/36/309

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abstract = "The effects of Ru-site metal dopants on the low-temperature magnetization of CaRuO3 are reported. Dopants of two types are tested: those with closed d shells in their expected oxidation state (Al3+, Zn2+, Ti4+, V5+ and Pt2+), and those with unpaired d electrons (Mn4+, Fe3+, Co2+, Ni2+ and Cu2+) in their expected oxidation state. The results are consistent with the recent proposal that CaRuO3 is not a classical antiferromagnet, but rather is poised at a critical point between ferromagnetic and paramagnetic ground states. Ti, Fe, Mn and Ni doping result in ferromagnetic behaviour.",

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N2 - The effects of Ru-site metal dopants on the low-temperature magnetization of CaRuO3 are reported. Dopants of two types are tested: those with closed d shells in their expected oxidation state (Al3+, Zn2+, Ti4+, V5+ and Pt2+), and those with unpaired d electrons (Mn4+, Fe3+, Co2+, Ni2+ and Cu2+) in their expected oxidation state. The results are consistent with the recent proposal that CaRuO3 is not a classical antiferromagnet, but rather is poised at a critical point between ferromagnetic and paramagnetic ground states. Ti, Fe, Mn and Ni doping result in ferromagnetic behaviour.

AB - The effects of Ru-site metal dopants on the low-temperature magnetization of CaRuO3 are reported. Dopants of two types are tested: those with closed d shells in their expected oxidation state (Al3+, Zn2+, Ti4+, V5+ and Pt2+), and those with unpaired d electrons (Mn4+, Fe3+, Co2+, Ni2+ and Cu2+) in their expected oxidation state. The results are consistent with the recent proposal that CaRuO3 is not a classical antiferromagnet, but rather is poised at a critical point between ferromagnetic and paramagnetic ground states. Ti, Fe, Mn and Ni doping result in ferromagnetic behaviour.

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The effect of Ru-site dopants on the magnetic properties of CaRuO₃

Abstract

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