Magnetic device and frequency detector

Details Magnetic device and frequency detector Magnetic device and frequency detector

2008-11-14

2010-11-02

Aurora, Reena (Department: 2858)

Electricity: measuring and testing

Magnetic

Magnetometers

C335S209000

Reexamination Certificate

active

07825658

ABSTRACT:
A magnetic device includes: a magnetoresistive effect element having a magnetization fixed layer, a magnetization free layer, and a nonmagnetic layer sandwiched between the magnetization fixed layer and the magnetization free layer; an input terminal for feeding an AC signal to the magnetoresistive effect element in its stacking direction; and an output terminal for extracting an output voltage from the magnetoresistive effect element, wherein the nomagnetic layer includes an insulating layer portion comprising an insulating material, and a current-constricting layer portion comprising a conductive material which passes through the insulating layer portion in its film thickness direction.

REFERENCES:
A. Tulapurkar et al.; “Spin-torque diode effect in magnetic tunnel junctions;” Nature; vol. 438, 17; Nov. 17, 2005; pp. 339-342.

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