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2000 J. Phys.: Condens. Matter 12 9167-9178 doi: 10.1088/0953-8984/12/43/307
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Abstract. 27Al NMR (nuclear magnetic resonance) spectra and the spin-lattice relaxation were measured for the non-equilibrium Al-based superconductors Al1-xSix (x = 0, 0.02, 0.05, 0.06 and 0.08) in the temperature range 2-300 K. The NMR data confirm a substantial enhancement of the electron-phonon interaction in the vicinity of the FCC (face-centred cubic) lattice instability in these model superconductors. The observed quadrupole effects can be interpreted in terms of a substantial distortion and disordering of the Al-based FCC lattice.
Print publication: Issue 43 (30 October 2000) |
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