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dc.contributor.authorTsai, PoChingen_US
dc.date.accessioned2011-03-03T21:50:48Z
dc.date.available2011-03-03T21:50:48Z
dc.date.issued2011-03-03
dc.date.submittedJanuary 2010en_US
dc.identifier.otherDISS-10832en_US
dc.identifier.urihttp://hdl.handle.net/10106/5374
dc.description.abstractFerromagnetic nanocrystals with shape anisotropy have drawn great attention in the past decades because of their unique magnetic properties and for their potential applications in ultra-high-density magnetic recording media, exchange-coupled nanocomposite magnets and related nanodevices. In this thesis, synthesis and characterixation of ferromagnetic CoNi and CoFe nanowires are reported. CoNi nanocrystals with different size, shape and composition were successfully synthesized via a catalyst chemical solution method. It was found out that the structure and morphology can be controlled by altering the NaOH concentration, and the elongation of the nanowires can be adjusted by changing surfactants ratio and catalyst amount. Unlike the CoNi, CoFe nanocrystals were prepared by a non-catalyst chemistry solution method. The particle size and shape are controlled by varying parameters such as solvent amount, surfactant ratio, reducing agent and heating rate. Morphological, structural, and compositional characterizations of the nanoparticles were performed by using Transmission Electron Microscopy (TEM), high resolution TEM (HRTEM), and X-Ray Diffractometer (XRD). Magnetic properties of nanoparticles of different size were studied by Alternating Gradiant Magnetometer (AGM).en_US
dc.description.sponsorshipLiu, J. Pingen_US
dc.language.isoenen_US
dc.publisherMaterials Science & Engineeringen_US
dc.titleSynthesis And Characterization Of Ferromagnetic Nanowiresen_US
dc.typeM.Engr.en_US
dc.contributor.committeeChairLiu, J. Pingen_US
dc.degree.departmentMaterials Science & Engineeringen_US
dc.degree.disciplineMaterials Science & Engineeringen_US
dc.degree.grantorUniversity of Texas at Arlingtonen_US
dc.degree.levelmastersen_US
dc.degree.nameM.Engr.en_US


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