Low-temperature anharmonicity, strong electron-phonon interactions and heavy-fermion behaviour, in the A15 superconductor Nb3Sn

G. R. Hearne; H. Pollak

doi:10.1007/BF02397535

Low-temperature anharmonicity, strong electron-phonon interactions and heavy-fermion behaviour, in the A15 superconductor Nb₃Sn

G. R. Hearne, H. Pollak

University of the Witwatersrand

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

2 Citations (Scopus)

Abstract

Absolute values of the Sn recoil-free fraction in the A15 superconductor Nb₃Sn were accurately measured in the range 300 K down to 50 K. Low-temperature anharmonicity is evident in this compound and no further lattice-dynamical anomalies were observed in the measured temperature range. The data has been used to estimate the dimensions of the highly anharmonic atomic potential-wells of the Sn atoms at low temperatures.

Original language	English
Pages (from-to)	1159-1162
Number of pages	4
Journal	Hyperfine Interactions
Volume	70
Issue number	1-4
DOIs	https://doi.org/10.1007/BF02397535
Publication status	Published - Apr 1992
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Condensed Matter Physics
Physical and Theoretical Chemistry

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10.1007/BF02397535

Cite this

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title = "Low-temperature anharmonicity, strong electron-phonon interactions and heavy-fermion behaviour, in the A15 superconductor Nb3Sn",

abstract = "Absolute values of the Sn recoil-free fraction in the A15 superconductor Nb3Sn were accurately measured in the range 300 K down to 50 K. Low-temperature anharmonicity is evident in this compound and no further lattice-dynamical anomalies were observed in the measured temperature range. The data has been used to estimate the dimensions of the highly anharmonic atomic potential-wells of the Sn atoms at low temperatures.",

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AB - Absolute values of the Sn recoil-free fraction in the A15 superconductor Nb3Sn were accurately measured in the range 300 K down to 50 K. Low-temperature anharmonicity is evident in this compound and no further lattice-dynamical anomalies were observed in the measured temperature range. The data has been used to estimate the dimensions of the highly anharmonic atomic potential-wells of the Sn atoms at low temperatures.

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ER -

Low-temperature anharmonicity, strong electron-phonon interactions and heavy-fermion behaviour, in the A15 superconductor Nb₃Sn

Abstract

ASJC Scopus subject areas

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