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Investigation of ferromagnetic microstructures as electrodes for spin-polarized transport experiments (2001)

Meier, G. ; Halverscheid, M. ; Matsuyama, T. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 89 (2001), S. 7469-7471

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Patterned ferromagnetic structures are intended as electrodes to drive a spin-polarized current through the quasi two-dimensional electron system of a semiconductor. To utilize such structures in transport experiments it is important to know their micromagnetic behavior. We have prepared Permalloy electrodes for the ballistic transport regime by electron-beam lithography on InAs single crystals. Using magnetic-force microscopy we measure the magnetization configurations at zero external magnetic fields. Micromagnetic simulations verify that the observed magnetization states are the energetically most favorable ones. In addition, the micromagnetic behavior in external magnetic fields is simulated. © 2001 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1355350

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