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Showing 1 to 16 of 16 for “"Heusler alloys"”.
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Magnetic Properties of Heusler Alloys
Submitted by Megan Hayes (mohayes2@illinois.edu) on 2010-06-14T18:10:30Z No. of bitstreams: 1 1910_stephenson.pdf: 1971970 bytes, checksum: 408b45a65116cfac2a066bc1c0c427aa (MD5)
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Heusler alloys – processing, characterization and study of physico-chemical properties
… de nuevos materiales basados en aleaciones Heusler ternarias y cuaternarias, que muestran elevados valores de polarización de espín, tanto teóricos, como experimentales. Las aleaciones Heusler son candidatas adecuadas para aplicaciones en espintrónica, por su gran momento magnético, elevada …
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EXPLORATION OF NEW MULTIFUNCTIONAL MAGNETIC MATERIALS BASED ON A VARIETY OF HEUSLER ALLOYS AND RARE-EARTH COMPOUNDS
… properties of Ni-Mn-X (X = In, and Ga) Heusler alloys and La-Fe-Si based rare earth compounds have been synthesized and investigated by x-ray diffraction, magnetization, strain, and electrical resistivity measurements. The phase transitions, magnetic, magnetocaloric, magnetotransport and …
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Theoretical Investigations of the Structural, Dynamical, Electronic, Magnetic, and Thermoelectric Properties of CoRhYSi (Y = Cr, Mn) Quaternary Heusler Alloys
… structure of CoRhYSi (Y = Cr, Mn) Quaternary Heusler alloys, as well as their elastic and magnetic characteristics. The full-potential linearized augmented plane wave is used in the calculations. The exchange-correlations are addressed using Perdew–Burke and Ernzerhof's generalized gradient …
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EXPLORATION OF NEW MAGNETOCALORIC AND MULTIFUNCTIONAL MAGNETIC MATERIALS
… The impact of B substitution in Ni50Mn35In15-xBx Heusler alloys on the structural, magnetic, transport, and parameters of the magnetocaloric effect (MCE) has been studied by means of room-temperature X-ray diffraction and thermomagnetic measurements (in magnetic fields (H) up to 5 T, and in the …
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Sustainable Heusler and Antiferromagnetic Thin Films for High Density Data Storage
… thesis investigates thin films of Fe/Mn/Al based Heusler alloys and antiferromagnetic Mn$_3$$\it X$ ($\it X$ = Sn, Ga) as new materials for spintronic devices. Heusler alloys offer a very promising platform to tailor physical properties of materials through element compositional changes and …
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Methods for the analysis of thermomagnetic phase transitions of magnetocaloric materials
… such as Gd, Gd5Si2Ge2, La(Fe,Si)13, Ni-Mn-In Heusler alloys and Fe-, Co-, Ni-amorphous and nanocrystalline alloys. Next, various possible avenues to optimize the magnetocaloric behavior by tapping on the characteristics of rst and second order phase transition type systems were investigated. …
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Spin-Mediated Transport in Superconducting and Spin-Polarized Systems
… The transport properties of the quaternary Heusler alloys Co2MnSi1-xAlx (0≤x≤1), which have been theoretically predicted to develop a half-metallic band structure as x→0, were investigated. Resistivity versus temperature measurements as a function of Al concentration (x) revealed a …
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The fabrication of TiO2 nanostructures on porous silicon for thermoelectric application
… the leading TE materials are Bi2Te3-based alloys, PbTe, PbSe, SiGe, Mg2X (X = Si, Ge, Sn), skutterudite, and half-Heusler alloys. However, there are some problems arise since most of these rare earth alloy-based TE materials, such as Bi2Te3 and PbTe, suffer from thermal and chemical …
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Modeling and Analysis of Advanced Thermoelectric Modules Considering Thermal Losses
… Using the experimental results on the half-Heusler, skutterudites, and lead telluride materials, segmented TEG�s have been analyzed for their performance in terms of power and efficiency. Non-linear and temperature-dependent material properties and thermal losses were considered in the …
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Processing, Structure and Properties of High Temperature Thermoelectric Oxide Materials
… such as Bi2Te3, PbTe, skutterudites, and half-Heusler alloys, are not thermally stable at temperatures approaching 500°C or higher, due to the presence of volatile elements. Oxide thermoelectric materials are considered to be potential candidates for high temperature applications due to their …
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System Design, Fabrication, and Characterization of Thermoelectric and Thermal Interface Materials for Thermoelectric Devices
… for high temperature applications such as half-Heusler alloys. In addition, I discuss the characterization of unique oxide thermoelectric materials, which are Al doped ZnO and Ca-Co-O systems for high temperature applications. Chapter Four of this dissertation addresses the use of GaSn alloys as …
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Investigation of spin-caloric and spin-orbit torque materials by vectorial spin Seebeck measurements and an advanced x-ray magnetic reflectivity analysis
… there has been considerable interest in magnetic Heusler compounds in the field of spintronics based on their wide range of magnetic properties and susceptibility to manipulation by elemental substitution. In particular half-Heusler alloys are currently attracting growing attention due to their …
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Orbital Polarization in Relativistic Density Functional Theory
… on the spin and orbital magnetism of full-Heusler alloys is investigated by means of local spin density calculations. It is demonstrated, that OP corrections are needed to explain the experimental orbital moments. Model calculations employing one ligand field parameter yield the correct …
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Magnetostructural phase transformations in magnetic shape memory Heusler alloy Ni-Mn-In
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-03-28 without embargo terms