Rapid Communications

Pramana

, Volume 30, Issue 4, pp L359-L366

High-temperature superconductivity in bismuth-copper oxides of the type Bi m M n Cu p O x (M=Mg, Ca, Sr, Ba, Bi)

  • C N R RaoAffiliated withSolid State and Structural Chemistry Unit and Materials Research Laboratory, Indian Institute of Science
  • , A M UmarjiAffiliated withSolid State and Structural Chemistry Unit and Materials Research Laboratory, Indian Institute of Science
  • , R A Mohan RamAffiliated withSolid State and Structural Chemistry Unit and Materials Research Laboratory, Indian Institute of Science
  • , R VijayaraghavanAffiliated withSolid State and Structural Chemistry Unit and Materials Research Laboratory, Indian Institute of Science
  • , K S Nanjunda SwamyAffiliated withSolid State and Structural Chemistry Unit and Materials Research Laboratory, Indian Institute of Science
  • , P SomasundaramAffiliated withSolid State and Structural Chemistry Unit and Materials Research Laboratory, Indian Institute of Science
  • , L GanapathiAffiliated withSolid State and Structural Chemistry Unit and Materials Research Laboratory, Indian Institute of Science

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Abstract

Several oxides of the Bi m M n Cu p O x family (m=2, 3;n=2, 3, 4;p=1, 2, 3 and M=alkaline earth or Bi), possessing structures similar to the Aurivillius family of oxides, show highT c superconductivity.

Keywords

High-temperature superconductivity Bi m M n Cu p O x (M=Mg, Ca, Sr, Ba, Bi)

PACS No.

74.70