Spin Relaxation of Conduction Electrons in Polyvalent Metals: Theory and a Realistic Calculation
- 21 December 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 81 (25) , 5624-5627
- https://doi.org/10.1103/physrevlett.81.5624
Abstract
Relaxation of electronic spins in metals is significantly enhanced whenever a Fermi surface crosses Brillouin zone boundaries, special symmetry points, or lines of accidental degeneracy. A realistic calculation shows that if aluminum had one valence electron its spin relaxation would be slower by nearly 2 orders of magnitude. This not only solves a long-standing experimental puzzle, but also provides a way of tailoring spin dynamics of electrons in a conduction band.Keywords
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