EXAFS Studies of (Pb,Cd) 1212 phase superconductor and (Bi,Cd)1212 phase compound

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We synthesized (Pb,Cd)Sr2(Y,Ca)Cu2O7+x,phase superconductor.After substitution of Pb with Bi,the BiCd1212 phase shows no superconductivity.Although previous EXAFS study has shown the local structure environment of the Cu is similar in both compounds,EXAFS
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