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Related papers: Half Heusler Alloys for Efficient Thermoelectric P…

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The quest to improve the thermoelectric figure of merit has mainly followed the roadmap of lowering the thermal conductivity while keeping unaltered the power factor of the material. Ideally an electron-crystal phonon-glass system is…

This study conducts a comprehensive first-principles investigation of the IrMnAl Heusler alloy, highlighting its magnetic properties and assessing the effects of pressure-induced phase shift. The limitations of Generalized Gradient…

Materials Science · Physics 2024-10-11 Himanshu Joshi , Amel Laref , A. Yvaz , Dibya. P. Rai

Spintronics is the fast growing field that will play a key role in optimizing power consumption, memory, and processing capabilities of nanoelectronic devices. Heusler alloys are potential candidates for application in spintronics due to…

Materials Science · Physics 2022-04-15 Nikolai A Zarkevich , Prashant Singh , A. V. Smirnov , Duane D. Johnson

Half-metallic ferromagnetic full-Heusler alloys containing Co and Mn, having the formula Co$_2$MnZ where Z a sp element, are among the most studied Heusler alloys due to their stable ferromagnetism and the high Curie temperatures which they…

Materials Science · Physics 2007-09-01 K. Ozdogan , I. Galanakis , E. Sasioglu , B. Aktas

Magnetic and electronic transport properties of Co$_2$MnZ (Z = Al, Ga, Ge, Si, Sn) Heusler alloys were experimentally investigated. Electrical resistivity, in the temperature range from 4.2 to 300 K, as well as field dependences of the Hall…

It was recently suggested that molecular junctions would be excellent elements for efficient and high-power thermoelectric energy conversion devices. However, experimental measurements of thermoelectric conversion in molecular junctions…

Mesoscale and Nanoscale Physics · Physics 2015-06-09 Elinor Zerah-Harush , Yonatan Dubi

We coupled first principles calculations and the quasiharmonic approximation combined with experiments (X-Ray diffraction and dilatometry measurements) to determine the thermal properties of NiTiSn (half-Heusler) and Ni2TiSn (Heusler)…

Materials Science · Physics 2015-04-08 P. Hermet , R. M. Ayral , E. Theron , P. G. Yot , F. Salles , M. Tillard , P. Jund

Half-Heusler(HH) alloys have shown promising thermoelectric properties in the medium and high temperature range. To harness these material properties for thermoelectric applications, it is important to realize electrical contacts with low…

Materials Science · Physics 2018-06-11 Yuping He , François Léonard , Catalin D. Spataru

High-entropy alloys (HEAs) are a new class of materials constructed from multiple principal elements statistically arranged on simple crystallographic lattices. Due to the large amount of disorder present, they are excellent model systems…

Superconductivity · Physics 2018-03-28 Fabian O. von Rohr , Robert J. Cava

Off-stoichiometric Ni$_2$MnIn Heusler alloys have drawn recent attention due to their large magnetocaloric entropy change associated with the first-order magneto-structural transition. Here we present crystal structural, calorimetric and…

Noncollinear metallic antiferromagnets, with their rapid spin dynamics, efficient spin transport, and distinctive spin textures, play a pivotal role in advancing the field of spintronics. In this study, we report a comprehensive…

The most favorable structure of the synthesized TiCoSb half-Heusler alloy is explored theoretically and experimentally, and the best structure for thermoelectric conversion is reported. Rietveld refinement of the X-ray diffraction data…

Semiconducting half- and, to a lesser extent, full-Heusler compounds are promising thermoelectric materials due to their compelling electronic properties with large power factors. However, intrinsically high thermal conductivity resulting…

Heusler alloys, renowned for their multifunctionality and capacity for vast elemental customization, are primarily classified into half-Heusler (XYZ) and full-Heusler (X2YZ) structural types. Typically, the 18-electron half-Heusler and the…

Materials Science · Physics 2025-10-21 Yubo Zhang , Zirui Dong , Jun Luo

In order to improve the thermoelectric performance of TiCoSb we have substituted 50% of Ti equally with Zr and Hf at Ti site and Sb with Sn and Se equally at Sb site. The electronic structure of Ti0.5Zr0.25Hf0.25CoSn0.5Se0.5 is investigated…

Materials Science · Physics 2018-05-09 Mukesh K. Choudhary , P Ravindran

Searching for performant multiferroic materials attracts general research interests in energy science as they have been increasingly exploited as the conversion media among thermal, electric, magnetic and mechanical energies by using their…

Materials Science · Physics 2021-09-08 Chenbo Zhang , Zhuohui Zeng , Zeyuan Zhu , Nobumichi Tamura , Xian Chen

Topological Insulators with gapless surface states and insulating bulk in non-centrosymmetric cubic systems have been extensively explored following the discovery of two-dimensional quantum spin hall effect in zincblende HgTe. In such…

Materials Science · Physics 2023-07-26 Bhautik R Dhori , Raghottam M Sattigeri , Prafulla K Jha

Recently, near-field radiative heat transfer enhancement across nanometer vacuum gaps has been intensively studied between two hyperbolic metamaterials (HMMs) due to unlimited wavevectors and high photonic density of state. In this work, we…

Mesoscale and Nanoscale Physics · Physics 2020-07-16 Jui-Yung Chang , Yue Yang , Liping Wang

We report on the high-temperature (350 K <T< 1000 K) thermoelectric properties of the ternary compounds LuNiSb (cubic) and LuNiSn (orthorhombic) and a composite material (LuNiSb)$_{0.5}$(LuNiSn)$_{0.5}$. The electrical conductivity in…

Materials Science · Physics 2020-03-31 Karol Synoradzki , Kamil Ciesielski , Leszek Kępiński , Dariusz Kaczorowski

The half-Heusler compound has drawn attention in a variety of fields as a candidate material for thermoelectric energy conversion and spintronics technology. This is because it has various electronic structures, such as semi-metals,…

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