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Thermoelectric properties of half-Heusler related compounds

Thermoelectric properties of half-Heusler related compounds
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Half-Heusler thermoelectric materials

Applied Physics Letters, 2021
Semiconducting half-Heusler compounds with the valence electron count of 18 have been identified as a class of promising high-temperature thermoelectric materials.
K. Xia, Chaoliang Hu, C. Fu, Xinbing Zhao, T. Zhu   +4 more
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Piezoelectricity in half-Heusler narrow-bandgap semiconductors.

Science
Piezoelectricity is primarily observed in noncentrosymmetric insulators or wide bandgap semiconductors. We report the observation of the piezoelectric (PE) effect in half-Heusler (HH) narrow-bandgap semiconductors TiNiSn, ZrNiSn, and TiCoSb.
Yi Huang, Fu Lv, Shen Han, Mengzhao Chen, Yuechu Wang, Qianhui Lou, Chenguang Fu, Yuhui Huang, Di Wu, Fei Li, Tiejun Zhu   +10 more
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Structural, Elastic, Electronic, and Magnetic Properties of Nd‐Doped NaScGe Half‐Heusler Compound by Ab‐Initio Method

Crystal research and technology (1981), 2023
A comprehensive investigation is conducted on the electronic structure and magnetic properties of half‐Heusler NaScGe, which is doped with a rare earth element Nd with different concentrations.
F. Belkharroubi, W. Belkilali, F. Khelfaoui, F. Boudahri, Mehdi Zahraoui, Nawal Belmiloud, Kader Bentayeb, El Hadj, Adel Abdellah, Radja Nour El, Imene Bennoui, Raghed Belbachir, Y. Al-Douri   +12 more
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Theoretical investigation of the physical, mechanical, and thermal properties of Zr2XBiNi2 (X: Al, Ga) double half-Heusler alloys

Journal of Materials Research, 2023
This study highlights the structural, electronic, optical, mechanical, and thermal properties of two double half-Heusler (DHH) alloys, Zr2AlBiNi2, and Zr2GaBiNi2, in the context of density functionality. The calculated band structures of these two alloys
Oukacha Douinat, Ahmed Boucherdoud, Abdelkarim Seghier, M. Houari, S. Mesbah, Tayeb Lantri, B. Bestani   +6 more
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Rhodium-based half-Heusler alloys as thermoelectric materials

Physical Chemistry Chemical Physics, 2022
Thermoelectric phenomena provides an alternative for power generation and refrigeration. Half-Heusler are excellent candidates for use in thermoelectric devices.
Dhurba R. Jaishi, Sujit Bati, Nileema Sharma, Bishnu Karki, Bishnu P. Belbase, Madhav Prasad Ghimire   +5 more
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Half-Heusler Thermoelectrics

2019
Half-Heusler (HH) compounds are superb thermoelectric (TE) materials due to combined features of excellent TE performances, high thermal stability, mechanical robustness, simple contact, and non-toxicity. Over the past two decades, significant improvements in TE properties have been realized in a variety of compounds.
Ran He, Hangtian Zhu, Shuo Chen
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Extrinsic doping of the half-Heusler compounds

Nanotechnology, 2016
Controlling the p- and n-type doping is a key tool to improve the power-factor of thermoelectric materials. In the present work we provide a detailed understanding of the defect thermochemistry in half-Heusler compounds. We calculate the formation energies of intrinsic and extrinsic defects in state of the art n-type TiNiSn and p-type TiCoSb ...
Robin, Stern, Bonny, Dongre, Georg K H, Madsen   +2 more
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Comprehensive theoretical investigation of NaAlX (X=C, Si and Ge) half-Heusler compounds: Unveiling the multifaceted properties for advanced applications

International Journal of Modern Physics B
In this work, we have extensively investigated the characteristics of ternary half-Heusler (HH) materials, specifically NaAlX (X[Formula: see text][Formula: see text][Formula: see text]C, Si and Ge), employing ab-initio computations in density functional
Ghanshyam Lal Menaria, Upasana Rani, Peeyush Kumar Kamlesh, Monika Rani, Nihal Singh, Dinesh C. Sharma, Ajay Singh Verma   +6 more
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High Thermoelectric Performance in n-Type Degenerate ZrNiSn-Based Half-Heusler Alloys Driven by Enhanced Weighted Mobility and Lattice Anharmonicity

ACS Applied Energy Materials, 2021
ZrNiSn-based half-Heusler (HH) alloys are well-established alloys for n-type mid-temperature thermoelectric applications because of their chemical and thermal stability and narrow band gap driven s...
K. K. Johari, R. Bhardwaj, N. Chauhan, Sivaiah Bathula, Sushil Auluck, S. Dhakate, B. Gahtori   +6 more
semanticscholar   +1 more source