The table below contains data for the alkali metal fullerides A 3 C 60 (a) Give a brief explanation for the T c changes observed in the 0 GPa data (b) Give a brief explanation for the pressure dependence of T c in Rb 3 C 60 (c) Comment on differences in Tc between the two series Compound K3C60 KRbC60 K 5Rb1 5C60 RbKC60 Rb3C60 Rb3C60 RbC60 Rb3C60 RbC60 P (GPa) 0 0 0 0 0 0 113 0 258 0 434 0 661 a () 14 25 14 30 14 35 14 36 14 44 14 40 14 37 14 32 14 27 T (K) 18 22 24 26 29 28 1 26 8 25 4 23 5

Question: The table below contains data for the alkali-metal fullerides A 3 C 60 . (a) Give a brief explanation for the T c changes observed

The table below contains data for the alkali-metal fullerides A₃C₆₀.

(a) Give a brief explanation for the T_c changes observed in the 0 GPa data.

(b) Give a brief explanation for the pressure dependence of T_c in Rb₃C₆₀.

(c) Comment on differences in Tc between the two series.

Compound K3C60 KRbC60 K.5Rb1.5C60 RbKC60 Rb3C60 Rb3C60 RbC60 Rb3C60 RbC60 P (GPa) 0 0 0 0 0 0.113 0.258 0.434

Compound K3C60 KRbC60 K.5Rb1.5C60 RbKC60 Rb3C60 Rb3C60 RbC60 Rb3C60 RbC60 P (GPa) 0 0 0 0 0 0.113 0.258 0.434 0.661 a () 14.25 14.30 14.35 14.36 14.44 14.40 14.37 14.32 14.27 T. (K) 18 22 24 26 29 28.1 26.8 25.4 23.5

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