Interference between bulk and boundary scattering in high quality films | Zendy

Subhasri Chatterjee | Zendy; A. E. Meyerovich | Zendy

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Interference between bulk and boundary scattering in high quality films

Author(s) -

Subhasri Chatterjee,

A. E. Meyerovich

Publication year - 2010

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.81.245409

Subject(s) - scattering , condensed matter physics , interference (communication) , materials science , relaxation (psychology) , quality (philosophy) , physics , impurity , optics , quantum mechanics , channel (broadcasting) , psychology , social psychology , electrical engineering , engineering

Quasiclassical interference between bulk and boundary scattering channels in thin metal films with rough surfaces is discussed. The effective transport time, which is calculated beyond Mathiessen’s approximation, exhibits a nonanalytical dependence on the bulk relaxation time. Interference effects strongly affect the temperature phonon scattering in the bulk or concentration impurity-scattering dependencies of the conductivity. The results for large bulk free paths Lb and large correlation radii lateral sizes R of surface inhomogeneities are described by simple analytical equations. At R2 aLb we predict a crossover between two asymptotic regimes for interference contributions that are characterized by distinct temperature/concentration dependencies. Experimental implications of our results are discussed.

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