Enhanced superconductivity by electron renormalization of a directly observed brout-visscher local phonon: Re in Mo1-xRex

Danny P. Shum; A. Bevolo; J. L. Staudenmann; E. L. Wolf

doi:10.1103/PhysRevLett.57.2987

Enhanced superconductivity by electron renormalization of a directly observed brout-visscher local phonon: Re in Mo1-xRex

Danny P. Shum, A. Bevolo, J. L. Staudenmann, E. L. Wolf

Applied Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Tunneling reveals a 14-meV resonance mode of Re in Mo1-xRex, 0.2<x<0.4, which contributes strongly to 2F() and to strong coupling, 2kTc-3.53=0. The anomalous softening and width of the resonance mode are consistent with the standard theory of phonon renormalization by the electron gas. These unexpected results explain the low-N(0), high-Tc behavior of Mo0.6Re0.4 and possible Nb3Ge.

Original language	English (US)
Pages (from-to)	2987-2990
Number of pages	4
Journal	Physical Review Letters
Volume	57
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.57.2987
State	Published - 1986

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Physics and Astronomy(all)

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title = "Enhanced superconductivity by electron renormalization of a directly observed brout-visscher local phonon: Re in Mo1-xRex",

abstract = "Tunneling reveals a 14-meV resonance mode of Re in Mo1-xRex, 0.2",

author = "Shum, {Danny P.} and A. Bevolo and Staudenmann, {J. L.} and Wolf, {E. L.}",

year = "1986",

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Enhanced superconductivity by electron renormalization of a directly observed brout-visscher local phonon: Re in Mo1-xRex

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