Unusual substitutional properties of Ru in the La0.7Sr 0.3Mn1-xRuxO3 system

S. Sundar Manoharan; H. L. Ju; Kannan M. Krishnan

doi:10.1063/1.367630

Unusual substitutional properties of Ru in the La_0.7Sr _0.3Mn_1-xRu_xO₃ system

S. Sundar Manoharan, H. L. Ju, Kannan M. Krishnan

Department of Physics

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

La_0.7Sr_0.3Mn_1-xRu_xO ₃, 0≤x≤0.2 samples were prepared both in bulk and thin film formed using pulsed laser deposition. Magnetization measurements of bulk samples indicate a marginal decrease in T_c from 366 to 335 K up to 15% Ru substitution in Mn site. X-ray diffraction of the 〈100〉 oriented epitaxial films indicate a monotonic increase in the lattice parameter with Ru doping. The magnetoresistive behavior of the Ru substituted films are comparable with the parent La_0.7Sr_0.3MnO₃ films. Unlike other elemental substitution in Mn sites, the effect of Ru to stabilize magnetic ordering at elevated temperatures is exceptional.

Original language	English
Pages (from-to)	7183-7185
Number of pages	3
Journal	Journal of Applied Physics
Volume	83
Issue number	11
DOIs	https://doi.org/10.1063/1.367630
Publication status	Published - 1998

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.367630

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title = "Unusual substitutional properties of Ru in the La0.7Sr 0.3Mn1-xRuxO3 system",

abstract = "La0.7Sr0.3Mn1-xRuxO 3, 0≤x≤0.2 samples were prepared both in bulk and thin film formed using pulsed laser deposition. Magnetization measurements of bulk samples indicate a marginal decrease in Tc from 366 to 335 K up to 15% Ru substitution in Mn site. X-ray diffraction of the 〈100〉 oriented epitaxial films indicate a monotonic increase in the lattice parameter with Ru doping. The magnetoresistive behavior of the Ru substituted films are comparable with the parent La0.7Sr0.3MnO3 films. Unlike other elemental substitution in Mn sites, the effect of Ru to stabilize magnetic ordering at elevated temperatures is exceptional.",

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T1 - Unusual substitutional properties of Ru in the La0.7Sr 0.3Mn1-xRuxO3 system

AU - Sundar Manoharan, S.

AU - Ju, H. L.

AU - Krishnan, Kannan M.

PY - 1998

Y1 - 1998

N2 - La0.7Sr0.3Mn1-xRuxO 3, 0≤x≤0.2 samples were prepared both in bulk and thin film formed using pulsed laser deposition. Magnetization measurements of bulk samples indicate a marginal decrease in Tc from 366 to 335 K up to 15% Ru substitution in Mn site. X-ray diffraction of the 〈100〉 oriented epitaxial films indicate a monotonic increase in the lattice parameter with Ru doping. The magnetoresistive behavior of the Ru substituted films are comparable with the parent La0.7Sr0.3MnO3 films. Unlike other elemental substitution in Mn sites, the effect of Ru to stabilize magnetic ordering at elevated temperatures is exceptional.

AB - La0.7Sr0.3Mn1-xRuxO 3, 0≤x≤0.2 samples were prepared both in bulk and thin film formed using pulsed laser deposition. Magnetization measurements of bulk samples indicate a marginal decrease in Tc from 366 to 335 K up to 15% Ru substitution in Mn site. X-ray diffraction of the 〈100〉 oriented epitaxial films indicate a monotonic increase in the lattice parameter with Ru doping. The magnetoresistive behavior of the Ru substituted films are comparable with the parent La0.7Sr0.3MnO3 films. Unlike other elemental substitution in Mn sites, the effect of Ru to stabilize magnetic ordering at elevated temperatures is exceptional.

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Unusual substitutional properties of Ru in the La_0.7Sr _0.3Mn_1-xRu_xO₃ system

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