Ferromagnetic resonance measuring cavity resonator and electron

Details Ferromagnetic resonance measuring cavity resonator and electron Ferromagnetic resonance measuring cavity resonator and electron

1997-06-27

1999-03-30

Arana, Louis M.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324316, G01V 300

Patent

active

058894020

ABSTRACT:
A ferromagnetic resonance measuring cavity resonator comprises a cavity resonator having a cavity formed by a side wall. The side wall is provided with an input/output hole and a through-hole. A ferromagnetic plate provided with a through-hole is mounted on the outside surface of the side wall such that the two through-holes are aligned. A wafer specimen is pressed against the ferromagnetic plate to face the through-hole. When microwaves are introduced into the cavity resonator, ferromagnetic resonance takes place based on the static magnetic field applied to the wafer specimen and the microwaves. As a result, a ferromagnetic resonance signal is detected via the input/output hole.

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S. Takeda et al., "Non-Destructive .increment.H Measurement of LPE/YIG Wafer Using Terminated Straight Waveguide", IEE Transactions on Magnetics vol. 23, No. 5, Sep. 1987, pp. 3340-3342.

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