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      Current switching of resistive states in magnetoresistive manganites

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      Nature
      Springer Nature

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          Giant Magnetoresistance of (001)Fe/(001)Cr Magnetic Superlattices

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            Interaction between thed-Shells in the Transition Metals. II. Ferromagnetic Compounds of Manganese with Perovskite Structure

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              Thousandfold change in resistivity in magnetoresistive la-ca-mn-o films.

              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)MnOx. 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 approximately 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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                Author and article information

                Journal
                Nature
                Nature
                Springer Nature
                0028-0836
                July 3 1997
                July 3 1997
                : 388
                : 6637
                : 50-52
                Article
                10.1038/40363
                4de42bbb-924d-44d6-ba2c-8790a0906935
                © 1997
                History

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