Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"magnetic films"”.
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Skyrmions and Biskyrmions in Magnetic Films
… computing applications. This work studies ferromagnetic skyrmions. In particular, it highlights our small contributions to the field of skyrmions in condensed matter systems, specifically in thin-film ferromagnets.</p>
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The transverse Kerr magneto-optic effect in thin magnetic films
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1962.
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Study of microwave-assisted magnetization dynamics in magnetic films and structures
… wave generation in large area patterned thin films and the interaction of different modes. The study revealed the influence of pattern geometry on the spin wave modes and their interference patterns at different distances. Additionally, MAMR has also been investigated in individual elements by …
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The Effect of Plastic Deformation on a Series of Thin Magnetic Films
Thin magnetic films of FeSi and NiFe were grown on super-elastic Nitinol using dual ion beam and magnetron sputtering techniques, then submitted to varying degrees of lateral strain to induce plastic deformation in the thin magnetic film by (1) bending over a cylinder of fixed radius and (2) …
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Magnetic nanostructures patterned by block copolymer lithography
… twofold: understanding the methods of patterning magnetic films using self-assembled block copolymer masks and examining the magnetic reversal mechanisms of as deposited and patterned magnetic films. Ti / Co 66 at. % Cr 22 at. % Pt 12 at. % (CoCrPt) films with perpendicular magnetic anisotropy …
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A Biaxial Magneto-optical Kerr Magnetometer for Studying Magnetic Thin Films
… magneto-optical Kerr magnetometer to study thin magnetic films. The design enables researchers to measure perpendicular and in-plane hysteresis curves of ultra thin films down to a thickness of 9 A. The optical components are fastened to a vibration isolation table and the sample is suspended …
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Nanostructuring magnetic thin films using interference lithography
… for advanced data storage technology. Patterned magnetic media and magneto-resistive random-access memory (MRAM) can potentially fulfill this need. The technique of interference lithography is examined in the context of patterning ~100 nm size features. An interferometer is designed and built …
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Magnetic domain walls in ultrathin films : contribution of the Dzyaloshinsky-Moriya interaction
In this theoretical thesis the structure of magnetic domain walls is explained by an interplay of spin stiffness, anisotropy energy and Dzyaloshinsky-Moriya interaction. The wall structures are discussed within a micromagnetic model and the corresponding model parameters are obtained ab initio by …
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Magnetic thin films For spintronic memory
… of spatially non-uniform magnetizations in magnetic materials. They form the boundaries between two or more uniformly magnetized regions called domains. Skyrmions are circular magnetic domains with chiral domain walls that are interesting due to their stability and potential for fast motion. …
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Synthesis and Characterization of Metallic-Magnetic Multilayer Thin Films
No abstract prepared.
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Microstruture & High Frequency Property of Fe- & Co- Based Nano-Grain Thin Films
Magnetic thin films are widely used in various fields of high-speed electronics and microwave devices. In order to apply magnetic thin films at high frequency range, it is essential to measure the high frequency permeability and understand the electromagnetic properties that can control the high …
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Optical studies of current-induced spin-orbit effects in magnetic systems
Efficient electrical control of magnetic moments is essential for future spintronics applications, in which the intrinsic spin of the electron is utilized in addition to the electron charge for data processing and storage. Spin-orbit-interaction-induced phenomena, including the spin Hall effect, …
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Ab initio investigations of magnetic properties of ultrathin transition metal films on 4d substrates
In this thesis, we investigate the magnetic properties of 3d transition-metal monolayers on 4d transition-metal substrates by means of state of the art first-principles quantum theory. In contrast to previous investigations on noble metal substrates, the strong hybridization between 3d metals and …
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Magnetic X-ray Reflectivity
… to examine magnetization profiles of thin films and multilayer systems via magnetic soft and hard x-ray reflectivity. The focus here is on 3d transition metals, which are used mainly for development of numerous noval magnetic devices, that are both technologically and scientifically …
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Functional modification in ultrathin films: from metastable magnets to molecular materials
Ultrathin films have become an area at the frontier of materials science due to their novel properties and new applications. In particular, ultrathin magnetic films and ultrathin organic films are drawing more and more attention. The former is associated with a series of new phenomena such as giant …