Hall effect in Permalloy-based thin films and magnetic multilayers

We investigate a series of Cu-Py-crossed stripe devices in which the contact magnetoresistance behavior exhibits hysteretic loops originating from anomalous Hall effect in Py at the Cu/Py contact area with in-plane magnetization. These highly reproducible hysteretic loops relate directly to the magnetization switching of Py wires at the crossed regions. The nonzero magnitude of resistance difference (ΔR) between the two remnant states at zero Oe depends on the width of Cu by a roughly reciprocal relation, but is independent of that of Py wire. The ΔR ranges between 0.1 ∼ 0.6 mΩ with Cu width of 100 nm ∼ 500 nm and Cu/Py thickness of (65 nm)/(31 nm) ∼ (50 nm)/(20 nm). The results provide understanding of how the Hall voltage is induced and sensed.

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Preparation of Thick Magnet Films by the Aerosol Deposition Method

Sugimoto

2007

IEEJ Trans. FM

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The aerosol deposition method (ADM) is effective for the preparation of thick films with high deposition rate. We applied this method to fabricate NiZn ferrite or Sm-Fe-N films, which are used for microwave absorbers or permanent magnets, respectively. In this article, the magnetic properties of Sm-Fe-N thick films fabricated by the ADM are introduced and the possibility of the ADM for the fabrication process with high deposition rate is discussed.

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Hall effect in Permalloy-based thin films and magnetic multilayers

Cited by 4 publications

References 5 publications

Influence of Metal Salt Ratio on Ni-Fe-P Film by ChemicalProcess

Influence of Metal Salt Ratio on Ni-Fe-P Film by ChemicalProcess

Observation of anomalous Hall effect in Cu-Py-crossed structure with in-plane magnetization

Preparation of Thick Magnet Films by the Aerosol Deposition Method

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