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Magnetization Reversal in Cylindrical Nanowires and in Nanowires with Perpendicular Magnetic Anisotropy

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Magnetization Reversal in Cylindrical Nanowires and in Nanowires with Perpendicular Magnetic Anisotropy (English shop)

Judith Kimling (Author)

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ISBN-13 (Hard Copy) 9783954045181
ISBN-13 (eBook) 9783736945180
Language English
Page Number 214
Lamination of Cover matt
Edition 1. Aufl.
Publication Place Göttingen
Place of Dissertation Hamburg
Publication Date 2013-09-24
General Categorization Dissertation
Departments Physics
Keywords Physik der kondensierten Materie, ferromagnetic nanostructures, nanowires, nickel, cobalt, platinum multilayers, perpendicular magnetic anisotropy, reversal mechanism, magnetization reversal, nucleation, magnetic imaging, x-ray, microscopy, photoemission electron microscopy, magnetoresistance, micromagnetic simulations
Description

For both fundamental research and technological applications it is of interest to understand and control the magnetization reversal and the pinning of domain walls in ferromagnetic nanostructures. The present work provides new insights into the magnetic behavior of electrochemically synthesized nanowires by applying established methods such as magnetoresistance measurements and magnetic force microscopy as well as a novel photoemission electron microscopy method developed at the synchrotron light source BESSY II in Berlin, Germany. A main focus lies on the feasability of domain wall preparation in cylindrical nanowires with one or more diameter modulations. Furthermore, domain nucleation and pinning of domain walls in flat Co/Pt multilayer wires with perpendicular magnetic anisotropy is studied by transmission x-ray microscopy.