Anomalous behavior of surface acoustic waves in Cu/Nb superlattices

A. Kueny, M. Grimsditch, K. Miyano, I. Banerjee, Charles M. Falco, Ivan K. Schuller

Research output: Contribution to journalArticle

123 Scopus citations

Abstract

Brillouin-scattering measurements show an anomalous dip in the elastic constants of Nb/Cu superlattices for superlattice wavelengths of 100. This dip is correlated with changes in the electrical resistivity of the samples giving the first evidence that electronic effects are responsible for phonon softening in these materials.

Original languageEnglish (US)
Pages (from-to)166-170
Number of pages5
JournalPhysical review letters
Volume48
Issue number3
DOIs
StatePublished - Jan 1 1982

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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