Magnetostrictive Fe-Si thin films for tunable saw devices

Edward M. Simpson; William P. Robbins

doi:10.1109/TMAG.1980.1060740

Magnetostrictive Fe-Si thin films for tunable saw devices

Edward M. Simpson, William P. Robbins

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

RF sputtered films of Fe_xSi_1−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 language	English (US)
Pages (from-to)	919-921
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	16
Issue number	5
DOIs	https://doi.org/10.1109/TMAG.1980.1060740
State	Published - Sep 1980

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AU - Robbins, William P.

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AB - 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.

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Magnetostrictive Fe-Si thin films for tunable saw devices

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