Unusual substitutional properties of Ru in the La{sub 0.7}Sr{sub 0.3}Mn{sub 1{minus}x}Ru{sub x}O{sub 3} system
- Lawrence Berkeley National Laboratory, Materials Sciences Division, 72-150, Berkeley, California94720 (United States)
La{sub 0.7}Sr{sub 0.3}Mn{sub 1{minus}x}Ru{sub x}O{sub 3}, 0{le}x{le}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{sub c} from 366 to 335 K up to 15{percent} Ru substitution in Mn site. X-ray diffraction of the {l_angle}100{r_angle} 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{sub 0.7}Sr{sub 0.3}MnO{sub 3} films. Unlike other elemental substitution in Mn sites, the effect of Ru to stabilize magnetic ordering at elevated temperatures is exceptional. {copyright} {ital 1998 American Institute of Physics.}
- OSTI ID:
- 624873
- Report Number(s):
- CONF-980102--
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 11 Vol. 83; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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