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Magneto-Optical Study of NiFe/Au/Co/Au Layers

100%

Mazalski P., Postava K., Tekielak M., Maziewski A., Urbaniak M., Szymański B., Stobiecki F.

Acta Physica Polonica A

2009

vol. 115

issue 1

369-371

Sputtered NiFe/Au/Co/Au layers with noncollinear magnetizations are of scientific interest for unusual magnetization behavior and their potential application in spintronics. In this paper, we propose to use a material selective sensitivity of magneto-optical Kerr effect for separation of signals from different materials in a bilayer system. The materials selective sensitivity is demonstrated on a sample with two mutually perpendicular Co and NiFe wedges.

He⁺ Ion Bombardment Induced Effects on Magnetic Properties of Ni-Fe/Au/Co/Au Films

84%

Kuświk P., Szymański B., Urbaniak M., Dubowik J., Stobiecki F., Kisielewski J., Tekielak M., Maziewski A., Weis T., Ehresmann A.

Acta Physica Polonica A

2008

vol. 113

issue 2

651-656

The influence of He⁺ (10 keV) ion bombardment on magnetic properties of sputter deposited Ni_{80}Fe_{20}/Au/Co/Au layered films was studied. The variable parameters were the thickness of the Co layer or Au spacer and the ion dose. The magnetooptical Kerr measurements were performed on samples with wedge shaped Co or Au layers. With increasing dose of helium ions the following changes in magnetic properties were observed: (i) a decrease in the Co thickness range corresponding to the perpendicular anisotropy, (ii) a decrease in the coercive field (H_C), (iii) an increase in the ferromagnetic coupling between ferromagnetic layers.

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2 Acta Physica Polonica A

1 2009

1 2008

2 Maziewski A.

2 Stobiecki F.

2 Szymański B.

2 Tekielak M.

2 Urbaniak M.

1 Dubowik J.

1 Ehresmann A.

1 Kisielewski J.

1 Kuświk P.

1 Mazalski P.

1 Postava K.

1 Weis T.

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Magneto-Optical Study of NiFe/Au/Co/Au Layers

He⁺ Ion Bombardment Induced Effects on Magnetic Properties of Ni-Fe/Au/Co/Au Films