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NEUTRON-SCATTERING STUDY OF THE ELECTRON PHONON INTERACTION IN SUPERCONDUCTING NIOBIUM
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UNSPECIFIED (1992) NEUTRON-SCATTERING STUDY OF THE ELECTRON PHONON INTERACTION IN SUPERCONDUCTING NIOBIUM. In: INTERNATIONAL CONF ON NEUTRON SCATTERING ( ICNS 91 ), OXFORD, ENGLAND, AUG 27-30, 1991. Published in: PHYSICA B, 180 (Part A). pp. 348-350. ISSN 0921-4526.
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Abstract
We have measured the lifetime and frequency of acoustic phonons in niobium by triple-axis neutron spectroscopy over a range of temperatures spanning the superconducting transition temperature, and have extracted quantitative information on the q and polarisation dependence of the electron-phonon interaction. The behaviour of the transverse modes supports a simple calculation based on the BCS theory of superconductivity, but the damping of a longitudinal mode appears to be unusually severe.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICA B | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0921-4526 | ||||
Official Date: | June 1992 | ||||
Dates: |
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Volume: | 180 | ||||
Number: | Part A | ||||
Number of Pages: | 3 | ||||
Page Range: | pp. 348-350 | ||||
Publication Status: | Published | ||||
Title of Event: | INTERNATIONAL CONF ON NEUTRON SCATTERING ( ICNS 91 ) | ||||
Location of Event: | OXFORD, ENGLAND | ||||
Date(s) of Event: | AUG 27-30, 1991 |
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