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

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

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20 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)7183-7185
Number of pages3
JournalJournal of Applied Physics
Volume83
Issue number11
DOIs
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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