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Magnetic logic element based on an S-shaped Permalloy structure
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10.1063/1.3314301
/content/aip/journal/apl/96/7/10.1063/1.3314301
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/7/10.1063/1.3314301
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) S and C state magnetization configurations in rectangular thin-film elements. (b) S state element: shape and parameters. (c) Remanent magnetization configuration in a Permalloy S state element (dimensions: , , , , and ).

Image of FIG. 2.
FIG. 2.

Normalized hysteresis curves are shown for three different biasing fields (0, −100, and ) that are applied in-plane, perpendicular to the main axis of the S state element; is the saturation magnetization. At selected applied fields, the corresponding magnetization patterns are shown ( and components). A shift of the hysteresis curves is observed as a function of the biasing field .

Image of FIG. 3.
FIG. 3.

Truth table of the S state element. The inputs A and B are for the particular example and , respectively. The negative (positive) values corresponding to logic 0 and the positive (negative) values to 1 for input A (input B). AND and OR behavior is obtained by presetting the initial magnetization to and , respectively.

Image of FIG. 4.
FIG. 4.

Schematics of a programmable magnetologic gate incorporating an S-state element as the free layer. The magnetoresistive trilayer structure can be part of GMR or spin-dependent tunneling devices. The device is addressed by external, perpendicular magnetic oersted fields (currents and ).

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/content/aip/journal/apl/96/7/10.1063/1.3314301
2010-02-16
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic logic element based on an S-shaped Permalloy structure
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/7/10.1063/1.3314301
10.1063/1.3314301
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