Oxygen-plasma effects of a La0.7Ca0.3MnO3-δ single crystal

H. S. Kim, C. H. Lee, Cheol Eui Lee, K. M. Kim, S. J. Noh, C. S. Hong, N. H. Hur, S. Y. Shim, H. C. Ri

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A La0.7Ca0.3MnO3-δ single crystal was oxygen-plasma treated at 200 °C. Our electrical and magnetic measurements indicate that the oxygen-plasma treatment can be an effective low temperature method of oxygen stoichiometry modification of colossal magnetoresistance manganites. The oxygen plasma is also shown to introduce structural defects, whose effects are prominent near the Curie temperature (Tc), giving rise to anomalies in the resistivity and magnetic behaviors.

Original languageEnglish
Pages (from-to)4177-4179
Number of pages3
JournalApplied Physics Letters
Issue number25
Publication statusPublished - 2001 Dec 17

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Kim, H. S., Lee, C. H., Lee, C. E., Kim, K. M., Noh, S. J., Hong, C. S., Hur, N. H., Shim, S. Y., & Ri, H. C. (2001). Oxygen-plasma effects of a La0.7Ca0.3MnO3-δ single crystal. Applied Physics Letters, 79(25), 4177-4179. https://doi.org/10.1063/1.1425085