Magneto-optical Kerr effect studies of magnetic micro-structures produced using SIMPA

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dc.creatorZhou, Zheng Zheng
dc.date.accessioned2007-08-20T23:53:06Z
dc.date.available2007-08-20T23:53:06Z
dc.date.issued1998
dc.description.abstractUsing the focused ion beam sputtering capabilities of Scanning Ion Microscope with Polarization Analysis (SIMPA), arrays of regular shaped particles with sizes in the order of 10$\mu$m are produced from a 35nm thick $\rm Ni\sb{83}Fe\sb{17}$ film with in-plane uniaxial anisotropy, The aspect ratio of the particles range from bar-like (50:1) to island-like (1.4:1). Their magnetic properties are studied with longitudinal magneto-optical Kerr effect. Structures with different geometries are found to display fundamental differences in their magnetic behavior. Two types of geometry induced changes in the magnetization reversal process are discerned. These changes are found to agree with a theoretical model based on micromagnetic effects. Light is scattered into a regular diffraction pattern from these structures. The magneto-optical effects in the various spectral orders are examined; they are found to produce similar hysteresis curves as the specular beam.
dc.format.mimetypeapplication/pdf
dc.identifier.callnoTHESIS PHYS. 1998 ZHOU
dc.identifier.citationZhou, Zheng Zheng. "Magneto-optical Kerr effect studies of magnetic micro-structures produced using SIMPA." (1998) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/17229">https://hdl.handle.net/1911/17229</a>.
dc.identifier.urihttps://hdl.handle.net/1911/17229
dc.language.isoeng
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.
dc.subjectPhysics
dc.subjectElectromagnetics
dc.subjectCondensed matter physics
dc.subjectOptics
dc.titleMagneto-optical Kerr effect studies of magnetic micro-structures produced using SIMPA
dc.typeThesis
dc.type.materialText
thesis.degree.departmentPhysics
thesis.degree.disciplineNatural Sciences
thesis.degree.grantorRice University
thesis.degree.levelMasters
thesis.degree.nameMaster of Science
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