Magnetotransport studies of cerium iridium indium (5) and cerium cobalt indium(5).

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Magnetotransport measurements have shed additional light on the behavior of CeRhIn5.[1] In an effort to more fully understand the systematic relationship between CeRhIns and the other members of the CeMIn5 (M = Co, Rh, Ir) series of heavy fermion superconductors we have extended our studies to CeCoIns and CeIrIn5 . To that end, we have investigated the magnetotransport in Ce-based heavy fermion superconductors CeIrIns and CeCoIn5 from 1 .4 - 300 K as a function of applied magnetic fields to 18 T utilizing the 20 T superconducting magnetic located at the Los Alamos campus of the National High Magnetic Field ... continued below

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[4] p.

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Christianson, A. D. (Andrew D.); Lacerda, A. H. (Alex H.); Pagliuso, P. J. (Pascoal J.); Sarrao, John L., & Kern, S. January 1, 2003.

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Magnetotransport measurements have shed additional light on the behavior of CeRhIn5.[1] In an effort to more fully understand the systematic relationship between CeRhIns and the other members of the CeMIn5 (M = Co, Rh, Ir) series of heavy fermion superconductors we have extended our studies to CeCoIns and CeIrIn5 . To that end, we have investigated the magnetotransport in Ce-based heavy fermion superconductors CeIrIns and CeCoIn5 from 1 .4 - 300 K as a function of applied magnetic fields to 18 T utilizing the 20 T superconducting magnetic located at the Los Alamos campus of the National High Magnetic Field Laboratory. Our results indicate that the magnetoresistance in both materials is smaller than antiferromagnetic CeRhIns. In CeIrIn5, the sign of the magnetoresistance is dependent on the direction of applied magnetic field with the negative magnetoresistance corresponding to a single impurity-like regime extending down to lower temperature with the applied field along the c-axis than with the field applied along the basal plane . In CeCoIns, a similar behavior occurs in which a negative magnetoresistance is observed at higher temperatures for the field applied along the c-axis, but by 25 K the magnetoresistance is positive, independent of field direction . A negative magnetoresistance is recovered in the low temperature regime in which the superconductivity has been destroyed by an applied field.

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[4] p.

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  • Submitted to: APS March Meeting, March 3-7, 2003, Austin, Texas

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  • Report No.: LA-UR-03-0299
  • Report No.: LA-UR-03-299
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976507
  • Archival Resource Key: ark:/67531/metadc926759

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  • January 1, 2003

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 12:23 p.m.

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Christianson, A. D. (Andrew D.); Lacerda, A. H. (Alex H.); Pagliuso, P. J. (Pascoal J.); Sarrao, John L., & Kern, S. Magnetotransport studies of cerium iridium indium (5) and cerium cobalt indium(5)., article, January 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc926759/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.