Coexistence of ferromagnetism and superconductivity in cerium, tellurium (1.82).

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CeTe1 .82 crystallizes in layered tetragonal Cu2Sb-type structure. At ambient pressure, the presence of the charge density wave (CDW) gap accompanying with a lattice distortion in the Te sheet is verified by electron-tunneling spectroscopy measurement. We measured the electrical resistivity on a CeTe1 .82 single crystal as a function of temperature and magnetic field (i // ab-plain, H// c-axis) performed under hydrostatic pressure up to 9 kbar using the 20 T superconduting magnet at the Pulse Field Facility, NHMFL, Los Alamos National Laboratory . Some of the results are shown in Fig.l, which represent the low temperature dependence of the ... continued below

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[2] p.

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Asmadi, A. M.; Jung, M. (Myung-Hwa); Kim, H. C. (Hyoung-Chan); Kamarad, J.; Lacerda, A. H. (Alex H.); Takabatake, T. (Toshiro) et al. January 1, 2003.

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CeTe1 .82 crystallizes in layered tetragonal Cu2Sb-type structure. At ambient pressure, the presence of the charge density wave (CDW) gap accompanying with a lattice distortion in the Te sheet is verified by electron-tunneling spectroscopy measurement. We measured the electrical resistivity on a CeTe1 .82 single crystal as a function of temperature and magnetic field (i // ab-plain, H// c-axis) performed under hydrostatic pressure up to 9 kbar using the 20 T superconduting magnet at the Pulse Field Facility, NHMFL, Los Alamos National Laboratory . Some of the results are shown in Fig.l, which represent the low temperature dependence of the normalized resistance under applied pressure of 5 kbar, the superconducting transition is observed at TC = 2 .7K (well below the magnetic ordering temperatures, the Neel temperature TN = 4 .8K and the shortrange ferromagnetic temperature TSRF = 6K in 5 kbar). This (SC) transition temperature is the highest among f-electron systems . The application of magnetic field suppresses the resistivity drop as expected for a supeconducting transition . The coexisting magnetic structure of a mixed ferromagnetism and antiferromagnetism can provide a clue for this remarkably high Tsc.

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[2] p.

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

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  • Report No.: LA-UR-03-0347
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976515
  • Archival Resource Key: ark:/67531/metadc929686

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  • January 1, 2003

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 10:57 p.m.

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Asmadi, A. M.; Jung, M. (Myung-Hwa); Kim, H. C. (Hyoung-Chan); Kamarad, J.; Lacerda, A. H. (Alex H.); Takabatake, T. (Toshiro) et al. Coexistence of ferromagnetism and superconductivity in cerium, tellurium (1.82)., article, January 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc929686/: accessed April 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.