Magnetostrictive Fe-Si thin films for tunable saw devices

Edward M. Simpson, William P. Robbins

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

RF sputtered films of FexSi1−x, where x ≈.7, deposited on YZ-LiNbO3, have been used for magnetically variable surface acoustic wave devices. A 1 micron thick film one cm long in the SAW propagation direction had a relative SAW velocity change of 0.02% at 63 MHz and 0.05% at 189 MHz for applied fields of less than 50 Oe after annealing at 200°C for 30 minutes. Magnetic properties (M-H loops and magnetostriction) of the films were measured and correlated with the SAW properties.

Original languageEnglish (US)
Pages (from-to)919-921
Number of pages3
JournalIEEE Transactions on Magnetics
Volume16
Issue number5
DOIs
StatePublished - Sep 1980

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