Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
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.

Bibliography

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, 264(5157), 413–415.

Authors 6
  1. S. Jin (first)
  2. T. H. Tiefel (additional)
  3. M. McCormack (additional)
  4. R. A. Fastnacht (additional)
  5. R. Ramesh (additional)
  6. L. H. Chen (additional)
References 18 Referenced 4,531
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Dates
Type When
Created 18 years, 10 months ago (Oct. 5, 2006, 8:01 p.m.)
Deposited 1 year, 7 months ago (Jan. 12, 2024, 6:21 p.m.)
Indexed 20 hours, 44 minutes ago (Aug. 21, 2025, 12:37 p.m.)
Issued 31 years, 4 months ago (April 15, 1994)
Published 31 years, 4 months ago (April 15, 1994)
Published Print 31 years, 4 months ago (April 15, 1994)
Funders 0

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@article{Jin_1994, title={Thousandfold Change in Resistivity in Magnetoresistive La-Ca-Mn-O Films}, volume={264}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.264.5157.413}, DOI={10.1126/science.264.5157.413}, number={5157}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Jin, S. and Tiefel, T. H. and McCormack, M. and Fastnacht, R. A. and Ramesh, R. and Chen, L. H.}, year={1994}, month=apr, pages={413–415} }