Isotope effect in superconducting Rb3C60.
Isotope effect in superconducting Rb3C60.
复制标题
超导 Rb3C60 中的同位素效应。
DOI:
10.1103/physrevlett.68.1058
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发表时间:
1992
影响因子:
8.6
通讯作者:
K. B. Lyons
中科院分区:
文献类型:
--
作者:
A. P. Ramirez;A. Kortan;M. Rosseinsky;S. J. Duclos;A. Mujsce;R. C. Haddon;D. W. Murphy;A. Makhija;S. Zahurak;K. B. Lyons
Measurements of the superconducting T c and Raman spectra in isotopically modified Rb 3 C 60 are reported. A decrease in T c of 0.65±0.10 K in samples with (75±5)% substitution of 13 C for 12 C yields an exponent of a=0.37±0.05. This is interpreted as evidence for phonon-mediated pairing