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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 20 of 170 for “"Magnetic materials"”.
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Superstructures of Magnetic Materials
… reports on the results of studies on magnetic materials as the ternary carbide SmNiC2 and the perovskite-related layered compounds La5(Ti0.80Fe0.20)5O17 and La6(Ti0.67Fe0.33)6O20. Studies were performed with single-crystal X-ray diffraction and subsequently refinement and analysis of …
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Ultrasoft magnetic materials processing and characterisation
… to develop, characterise and test post-processed magnetic materials used for in-package or on-chip devices such as micro-inductors. The electrochemical post-processing has been shown to improve the magnetic properties of the NiFe alloy. The aim of this research was further to test this process on …
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Nanostructured magnetic materials for integrated magnonic devices
… coupled (EC) nanoheterostructures and their magnetic properties. Current challenges in the field of magnetics include the development of materials that demonstrate tunable magnetic properties, particularly in terms of controlling anisotropy and spin dynamics at the nanoscale. This thesis …
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EXPLORATION OF NEW MAGNETOCALORIC AND MULTIFUNCTIONAL MAGNETIC MATERIALS
The magnetic properties of NiMnGe1−xAlx, Ni50Mn35(In1−xBx)15, Ni50Mn35In14.5B0.5 (Bulk, As-Solidified and Annealed melt-spun ribbon) and RE-Infuse Carbon Nanotubes, have been studied by x-ray diffraction, differential scanning calorimetry (DSC), and magnetization measurements. Partial substitution …
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Study of vdW Magnetic Materials for Spintronic Applications
… for AI applications. Here, I study van der Waals magnetic materials for their application in developing spintronic devices to form the building blocks of neuromorphic and stochastic computing architectures. Use of correlated systems like ferromagnets provides a way towards low energy device …
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Characterization and modeling of magnetic materials and structures
… for wideband characterization and modeling of magnetic materials and structures over a wide frequency range (dc to a few GHz). A method for modeling the thick film inductor structures at high frequencies is presented in this dissertation. The thick film inductor under test is printed and …
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Nanostructured catalytic and magnetic materials: Sonochemical synthesis and characterization
Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:58:59Z Item is restricted indefinitely.
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Van der Waals magnetic materials for spintronic device applications
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-08-01
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Geometric frustration in high spin orbit coupling magnetic materials
Frustrated magnetic materials have long been a topic of intense research interest due to the variety of exotic states found in such systems. Here I present a study of the role of the local environment on two families of frustrated materials. The ferrimagnetic spinel $\mathrm{CoV_2O_4}$ has been a …
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TIME RESOLVED PROBING OF MAGNETO-ELASTIC EXCITATIONS IN MAGNETIC MATERIALS
… experimental activity addressed the coupling of magnetic and acoustic degrees of freedom in transition-metal ferromagnetic systems. Within the NFFA-SPRINT laboratory, hosted in the premises of the facility FERMI@Elettra (Elettra-Sincrotrone Trieste), I developed a setup to perform optical …
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High Anisotropy Magnetic Materials for Data Storage and Spintronic Memory
Data storage technologies that utilize magnetic materials for storage are key for both increasing areal density of storage in traditional hard disk media and providing low energy alternatives to traditional CMOS technology through spintronic memory and logic devices. Spintronic memory relies on the …
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Beyond linear responses: exploring magnetic materials through nonlinear terahertz spectroscopy
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01
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Atomistic Study of Traveling Skyrmions in Multi-Sublattice Magnetic Materials
… novel material systems, and one such avenue is magnetic thin films. Bits of information can be encoded by magnetic twisted textures called skyrmions, which can be efficiently driven by applying electrical current. Recently, emphasis has been placed on investigating antiferromagnetic and …
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Modeling Shape Effects in Nano Magnetic Materials With Web Based Micromagnetics
… on the geometry and shape effects on submicron magnetic material. A web based micromagnetics program is written to model the hysteresis loop of nano magnetic samples with arbitrary geometry shapes and multiple magnetic materials. Three material samples have been modeled with this program along …
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ELECTROCHEMICAL SYNTHESIS OF MAGNETIC MATERIALS FOR MAGNETIC RECORDING AND MEMS APPLICATIONS
With the increase in the areal density for magnetic recording disks, the bits are becoming smaller so that more bits can be accommodated in a given area of disk. However, there is a certain limit up to which the bits can be made smaller until it reaches the superparamagnetic limit, where bits …
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Magneto-thermal Transport and Machine Learning-assisted Investigation of Magnetic Materials
… including phonons, charge carriers, and magnetic excitations. In most materials, thermal transport can be understood as the flow of phonons and charge carriers; magnetic heat flow is less well-studied and less well understood. Recently, the concept of the flat band, with a vanishing …
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Multiscale approaches on two-dimensional magnetic materials: from atomistic to mesoscale level
… in recently discovered van-der-Waals (vdW) materials such as CrI3 has opened new avenues in the study of fundamental spin interactions in two dimensions (2D). Such developments allow us to assess whether magnetism in 2D is a smooth continuation from low-dimensional magnetic materials, or if …
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SYNTHESIS AND CHARACTERIZATIONS OF NANOSTRUCTURED MAGNETIC MATERIALS FOR MRI T1 CONTRAST AGENTS
The synthesis of magnetic nanomaterials (Gd2O3, Mn-doped ZnS and iron oxide with different size and morphologies) for potential applications as MRI T1 contrast agents was studied. These nanoparticles were characterized by using TEM, XRD, FTIR, Zeta potential, DTA/TGA and XPS. (1) Gd2O3 …
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EPITAXIAL SPIN-ORBIT AND MAGNETIC MATERIALS FOR INTEGRATION ONTO A SEMICONDUCTOR PLATFORM
… utilize the charge of the electron. Meanwhile, magnetic devices, based on the spin of the electron, have historically served as the backbone fordigital memory storage. In recent times, however, charge-based memories, such as flash and dynamic random access memory (DRAM), have become more …
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Fundamental study of magnetic field-assisted micro-EDM for non-magnetic materials
… in the sub-grain size range (0.1-10 µm) from materials irrespective of their hardness. This process is valuable in the manufacturing of miniaturized products where industry demand for increasingly hard materials has reached the limitations of conventional micro-machining techniques. However, …
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