Magnetoresistance due to domain walls in micron scale Fe wires with stripe domains

The magnetoresistance (MR) associated with domain boundaries has been investigated in microfabricated bcc Fe (0.65 to 20 /spl mu/m linewidth) wires with controlled stripe domains. Domain configurations have been characterized using MFM. MR measurements as a function of field angle, temperature and d...

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Veröffentlicht in:	IEEE transactions on magnetics 1998-07, Vol.34 (4), p.900-902
Hauptverfasser:	Kent, A.D., Ruediger, U., Yu, J., Zhang, S., Levy, P.M., Zhong, Y., Parkin, S.S.P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Giant magnetoresistance Iron Magnetic anisotropy Magnetic domain walls Magnetic domains Magnetic properties and materials Magnetostatics Magnetotransport phenomena, materials for magnetotransport Metals. Metallurgy Microstructure Perpendicular magnetic anisotropy Physics Temperature Wires
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Beschreibung
Zusammenfassung:	The magnetoresistance (MR) associated with domain boundaries has been investigated in microfabricated bcc Fe (0.65 to 20 /spl mu/m linewidth) wires with controlled stripe domains. Domain configurations have been characterized using MFM. MR measurements as a function of field angle, temperature and domain configuration are used to estimate MR contributions due to resistivity anisotropy and domain walls. Evidence is presented that domain boundaries enhance the conductivity in such microstructures over a broad range of temperatures (1.5 K to 80 K).
ISSN:	0018-9464 1941-0069
DOI:	10.1109/20.706305