VORTEX AND ANTIVORTEX STRUCTURES IN STADIUM-SHAPED, MAGNETIC PARTICLES

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" VORTEX AND ANTIVORTEX STRUCTURES IN STADIUM-SHAPED, MAGNETIC PARTICLES "

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	149660
Doc. No	:	ET21452
Main Entry	:	PETER GERARD EAMES
Title Proper	:	VORTEX AND ANTIVORTEX STRUCTURES IN STADIUM-SHAPED, MAGNETIC PARTICLES
Note	:	This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract	:	Magnetic force microscopy, with in situ magnetic fields and a novel probe, has been usedto study how two separate modifications influence the confined magnetic vortex structurein magnetically soft particles. The samples were fabricated with specially adaptedprocessing techniques and the particles, which were patterned into arrays, have sizes onthe order of hundreds of nanometers. The first modification is the addition of adeposition induced, uniaxial anisotropy energy to cylindrically shaped particles ofvarying diameters and constant thickness. The anisotropy energy has a symmetry axiswhich aligns with the cylinder axis. Domain patterns are observed that are unique tovortex structures in cylindrical particles. The second modification is an addedtested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject	:	Electericl tess
	:	برق
electronic file name	:	TL44618.pdf
Title and statement of responsibility and	:	VORTEX AND ANTIVORTEX STRUCTURES IN STADIUM-SHAPED, MAGNETIC PARTICLES [Thesis]