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What Structural Features Appear Necessary for Superconductivity in the 1-2-3

Question 64

Multiple Choice

What structural features appear necessary for superconductivity in the 1-2-3 YBa2Cu3O7 superconductor?


A) high metallic character
B) infinite extended layers of Cu and O atoms and a fractional oxidation state for Cu
C) presence of an inner transition element
D) All of these are necessary.

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