High pressure synthesis of late rare earth RFeAs(O,F) superconductors; R = Tb and Dy

Jan-Willem G. Bos, George B. S. Penny, Jennifer A. Rodgers, Dmitry A. Sokolov, Andrew D. Huxley, J. Paul Attfield

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New TbFeAs(O,F) and DyFeAs(O,F) superconductors with critical temperatures T-c = 46 and 45 K and very high critical fields, >= 100 T, have been prepared at 1100-1150 degrees C and 10-12 GPa, demonstrating that high pressure may be used to synthesise late rare earth derivatives of the recently reported RFeAs(O,F) (R = La-Nd, Sm, Gd) high temperature superconductors.

Original languageEnglish
Pages (from-to)3634-3635
Number of pages2
JournalChemical Communications
Issue number31
Publication statusPublished - 2008

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