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Thousandfold Change in Resistivity in Magnetoresistive La-Ca-Mn-O Films
Abstract
A negative isotropic magnetoresistance effect more than three orders of magnitude larger than the typical giant magnetoresistance of some superlattice films has been observed in thin oxide films of perovskite-like La 0.67 Ca 0.33 MnO x . Epitaxial films that are grown on LaAIO 3 substrates by laser ablation and suitably heat treated exhibit magnetoresistance values as high as 127,000 percent near 77 kelvin and ∼1300 percent near room temperature. Such a phenomenon could be useful for various magnetic and electric device applications if the observed effects of material processing are optimized. Possible mechanisms for the observed effect are discussed.
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Citations
Cited by
Georges, A., Kotliar, G., Krauth, W., & Rozenberg, M. J. (1996) · Reviews of Modern Physics · doi:10.1103/revmodphys.68.13 · Cited by 6,901
Percolative phase separation underlies colossal magnetoresistance in mixed-valent manganites
Uehara, M., Mori, S., Chen, C. H., & Cheong, S.-W. (1999) · Nature · doi:10.1038/21142 · Cited by 1,771
Oxide Electronics Utilizing Ultrafast Metal-Insulator Transitions
Yang, Z., Ko, C., & Ramanathan, S. (2011) · Annual Review of Materials Research · doi:10.1146/annurev-matsci-062910-100347 · Cited by 1,020
Metal-Doped Lead Halide Perovskites: Synthesis, Properties, and Optoelectronic Applications
Zhou, Y., Chen, J., Bakr, O. M., & Sun, H.-T. (2018) · Chemistry of Materials · doi:10.1021/acs.chemmater.8b02989 · Cited by 650
Large magnetoresistance in non-magnetic silver chalcogenides
Xu, R., Husmann, A., Rosenbaum, T. F., Saboungi, M.-L., Enderby, J. E., & Littlewood, P. B. (1997) · Nature · doi:10.1038/36306 · Cited by 645
Metadata
- Authors
- Jin, S., Tiefel, T. H., McCormack, M., Fastnacht, R. A., Ramesh, R., & Chen, L. H.
- Venue
- Science
- Published
- 1994-04-15
- Volume
- 264
- Issue
- 5157
- Pages
- 413-415
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2050222000
- Cited by
- 4,829
- References
- 0
- FWCI
- 140.43
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jin, S., Tiefel, T. H., McCormack, M., Fastnacht, R. A., Ramesh, R., & Chen, L. H. (1994). Thousandfold Change in Resistivity in Magnetoresistive La-Ca-Mn-O Films. Science. https://doi.org/10.1126/science.264.5157.413
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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