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Superconducting phase diagram in Ca2−xNaxCuO2Cl2−yBry by Yuji Zenitani; Teruhiko Suzuki; Hirokazu Kawashima; Jun Akimitsu is a Physics and Astronomy article available to read on EtoBox.

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Ca 2 CuO 2 Cl 2Ày Br y (0 6 y 6 2) has the K 2 NiF 4 -type structure with halogens (Cl and Br) at their apical sites and superconductivity can be achieved by substituting Ca 2+ sites with Na + . We have succeeded in making a comprehensive superconducting phase diagram of Ca 2Àx Na x CuO 2 Cl 2Ày Br y by focusing on special attention to the relationship between the superconductivity and the Cu and Cl/Br distance in Ca 2Àx Na x CuO 2 Cl 2Ày Br y . We were successful in continuously changing the length of c-axis, which is closely related to the distance between the apical site and the CuO 2 plane, or the distance between Cu and Cl/Br. Without changing the bonding distance between Cu and O in the CuO 2 plane. This is the first example of this kind of control in cuprate superconductors.

Who reads Superconducting phase diagram in Ca2−xNaxCuO2Cl2−yBry?

Author

Yuji Zenitani; Teruhiko Suzuki; Hirokazu Kawashima; Jun Akimitsu

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0921-4534)

Published

2005

Language

EN

Field

Physics and Astronomy (Physical Sciences)