ISOTOPE EFFECT IN SUPERCONDUCTING RB3C60

被引:164
作者
RAMIREZ, AP
KORTAN, AR
ROSSEINSKY, MJ
DUCLOS, SJ
MUJSCE, AM
HADDON, RC
MURPHY, DW
MAKHIJA, AV
ZAHURAK, SM
LYONS, KB
机构
关键词
D O I
10.1103/PhysRevLett.68.1058
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Measurements of the superconducting T(c) and Raman spectra in isotopically modified Rb3C60 are reported. A decrease in T(c) of 0.65 +/- 0.10 K in samples with (75 +/- 5)% substitution of C-13 for C-12 yields an exponent of alpha = 0.37 +/- 0.05. This is interpreted as evidence for phonon-mediated pairing.
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页码:1058 / 1060
页数:3
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