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Showing 1 to 20 of 37 for “"Heusler"”.
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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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Co2MnSi Heusler alloy thin films
… flange was built up to grow the ternary Heusler alloy, Co2MnSi. Co2MnSi has been predicted to be a half-metallic ferromagnet, which means that there is an energy gap in the minority spin band at the Fermi energy. This leads to 100 % spin polarised conduction electrons, which would enable …
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Half-Heusler Thermoelectric Materials and Modules
… energy harvesting. In this respect, half-Heusler (hH) alloys are one of the promising high-temperature TE materials due to their high dimensionless thermoelectric figure of merit (zT) along with excellent mechanical and thermal stability. This dissertation demonstrates novel hH …
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Cobalt-based Heusler compounds in magnetic tunnel junctions
… (e.g. LaSrMnO3), zinc-blende-type CrAs and Heusler compounds. In particular, Co-based Heusler compounds are promising materials for spintronic applications due to the required high Curie temperatures T_C. Here a Heusler compound is given by the composition X2YZ and a crystallographic L2_1 …
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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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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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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
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Structural Characterization and Thermoelectric Performance of ZrNiSn Half-Heusler Compound Synthesized by Mechanical Alloying
Thermoelectric (TE) ZrNiSn samples with a half-Heusler atomic structure were synthesized by mechanical alloying (MA) and consolidation by either Spark Plasma Sintering (SPS) or hot pressing (HP). X-Ray diffraction patterns of as milled powders and consolidated samples were compared and analyzed for …
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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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Synthesis and Characterization of Heusler Compounds with Non-Collinear Magnetic Structure - From Spin Glasses to Spin Reorientation
Heusler compounds form a large class of intermetallic materials, which attracted a lot of interest in recent years. The reason is their enormous flexibility, which makes it possible to observe almost every physical effect in one of the 1000 members known nowadays. Especially many magnetic Heusler …
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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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Thermoelectric Properties of Zr0.5Hf0.5Ni1-xPdxSn0.99Sb0.01 and Effect of Nanoinclusions on Transport Properties of Half Heuslers
… Despite having high thermal conductivity, half-Heusler materials are promising candidates for thermoelectric applications due to their relatively high power factor () and the ability to tune the thermal and electrical properties through substitutional doping. 2S </p> <p>In this research work, I …
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Estudo do calor específico de compostos Heusler paramagnéticos, da série do níquel Ni 2 Tal, onde T=Ti, Zr, Hf, V, Nb e Ta
… da medida do calor específico dos compostos Heusler da série Ni2TA1, onde T =Ti, Zr,Hf,V,Nb, Ta. Estas medidas foram feitas utilizando-se um calorímetro adiabático que atua na faixa de 1,84 K a 10,3 K e visaram o estudo da estrutura elêtrônica dos compostos em termos da densidade de estados …
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Theoretical Investigations of the Electronic, Magnetic, and Thermoelectric Properties of Transition-Metal Based Compounds
… formalism. It was found that the Co-based Heusler compounds and InSe monochalcogenide are among the materials that may be used for future thermoelectric devices. Furthermore, the investigation showed that the quaternary Heusler compounds, such as, CoFeYGe, where Y is Ti or Cr, are …
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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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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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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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