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

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

New TbFeAs(O,F) and DyFeAs(O,F) superconductors with critical temperatures T(c) = 46 and 45 K and very high critical fields, >or=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 r...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2008-01 (31), p.3634-3635
Hauptverfasser: Bos, Jan-Willem G, Penny, George B S, Rodgers, Jennifer A, Sokolov, Dmitry A, Huxley, Andrew D, Attfield, J Paul
Format: Artikel
Sprache:eng
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Zusammenfassung:New TbFeAs(O,F) and DyFeAs(O,F) superconductors with critical temperatures T(c) = 46 and 45 K and very high critical fields, >or=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.
ISSN:1359-7345
1364-548X
DOI:10.1039/b808474b