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In the ongoing search for innovative thermoelectric (TE) materials with superior TE performance globally, we aim to investigate the possible use of half-Heusler alloy CoHfSi in TE applications. We analyzed the structure stability,…

材料科学 · 物理学 2025-06-27 Sadhana Matth , S. Pandey , Himanshu Pandey

In search of new prospects for thermoelectric materials, using ab-initio calculations and semi-classical Boltzmann theory, we have systematically investigated the electronic structure and transport properties of 18-valence electron count…

计算物理 · 物理学 2017-12-20 Mohd Zeeshan , Harish K. Singh , Jeroen van den Brink , Hem C. Kandpal

In this work, we have investigated the electronic structure and thermoelectric properties of quaternary heusler alloy, FeRuTiSi, using first principle DFT tools implemented in WIEN2k and BoltzTraP code. Electronic structure calculations…

强关联电子 · 物理学 2020-12-02 Saurabh Singh , Shubham Singh , Nitinkumar Bijewar , Ashish Kumar

We have investigated the electronic and thermoelectric properties of half-Heusler alloys NiTZ (T = Sc, and Ti; Z = P, As, Sn, and Sb) having 18 valence electron. Calculations are performed by means of density functional theory and Boltzmann…

On the basis of density functional theory and semi-classical Boltzmann theory, we have investigated the structural, elastic, electronic, optical and thermoelectric properties of 18--valence electron count rhodium based half-Heusler alloys…

Materials design based on first-principles electronic calculations has proven a fruitful strategy to identify new thermoelectric materials with a favorable figure of merit. Recent electronic structure calculations predict that in…

材料科学 · 物理学 2017-12-06 Mohd Zeeshan , Jeroen van den Brink , Hem C. Kandpal

The discovery of Heusler alloys has revolutionized the research field of intermetallics due to the ease with which one can derive potential candidates for multifunctional applications. During recent years, many half Heusler alloys have been…

材料科学 · 物理学 2016-05-25 S. Krishnaveni , M. Sundareswari , P. C. Deshmukh , S. R. Valluri , Ken Roberts

We investigated six heavy element bismuth-based 18-VEC half-Heusler alloys CoTiBi, CoZrBi, CoHfBi, FeVBi, FeNbBi, and FeTaBi by first principles approach, in search of better thermoelectric prospects. The motivation is driven by expected…

材料科学 · 物理学 2019-04-05 Sapna Singh , Mohd Zeeshan , Jeroen van den Brink , Hem C. Kandpal

The thermoelectric properties of 54 different group 4 half-Heusler (HH) alloys have been studied from first principles. Electronic transport was studied with density functional theory using hybrid functionals facilitated by the $\mathbf{k}…

材料科学 · 物理学 2020-01-08 Kristian Berland , Nina Shulumba , Olle Hellman , Clas Persson , Ole Martin Løvvik

In this study, theoretical investigation on structural, electronic, magnetic, elastic and thermoelectric properties of the full Heusler Co$_2$YPb (Y = Tc, Ti, Zr and Hf) alloys have been performed within density functional theory (DFT). The…

材料科学 · 物理学 2025-12-29 N. Saidi , A. Abbad , W. Benstaali , K. Bahnes

Here, we study the thermoelectric properties of topological semimetal CoSi in the temperature range $300-800$ K by using combined experimental and density functional theory (DFT) based methods. CoSi is synthesized using arc melting…

材料科学 · 物理学 2022-05-04 Shamim Sk , Nisha Shahi , Sudhir K. Pandey

We explore the structural, electronic, mechanical and thermoelectric properties of a new half Heusler compound, HfPtPb which is all metallic heavy element and has been recently been proposed to be stable [Nature Chem 7 (2015) 308]. In the…

材料科学 · 物理学 2017-05-12 Kulwinder Kaur , D. P. Rai , R. K. Thapa , Sunita Srivastava

The potential of Fe2TiSn full-Heusler compounds for thermoelectric applications has been suggested theoretically, but not yet grounded experimentally, due to the difficulty of obtaining reproducible, homogeneous, phase pure and defect free…

The electronic structure and thermoelectric properties of ZrRuTe-based Half-Heusler compounds are studied using density functional theory (DFT) and Boltzmann transport formalism. Based on rigorous computations of electron relaxation time…

材料科学 · 物理学 2020-03-13 Sonu Prasad Keshri , Amal Medhi

In the reported study we have investigated the robust phase stability, elasto-mechanical, thermophysical and magnetic properties of KVSb half Heusler compound by implementing density functional theory models in Wien2k simulation package.…

材料科学 · 物理学 2024-06-12 Ashwani Kumar , Anupam , Shyam L. Gupta , Sumit Kumar , Vipan Kumar , Diwaker

We report an investigation of temperature- and doping-dependent thermoelectric behaviors of topological semimetal Cd3As2. The electrical conductivity, thermal conductivity, Seebeck coefficient, and figure of merit (ZT) are calculated by…

材料科学 · 物理学 2016-11-22 Tong Zhou , Cheng Zhang , Huisheng Zhang , Faxian Xiu , Zhongqin Yang

We investigate electronic structures and thermoelectric properties of recent synthetic half-Heusler $\mathrm{ZrNiPb}$ by using generalized gradient approximation (GGA) and GGA plus spin-orbit coupling (GGA+SOC). Calculated results show that…

材料科学 · 物理学 2016-03-29 San-Dong Guo

Thermoelectricity in principle provides a pathway to put waste heat to good use. Motivated by this we investigate thermal and electrical transport properties of two new Fe-based Heusler alloys, FeTaSb and FeMnTiSb, by a first principles…

材料科学 · 物理学 2018-06-26 Mohd Zeeshan , Tashi Nautiyal , Jeroen van den Brink , Hem C. Kandpal

We investigate the thermoelectric properties of ${\beta}$-FeSi$_{\text2}$ using first principles electronic structure and Boltzmann transport calculations. We report a high thermopower for both \textit{p}- and \textit{n}-type…

材料科学 · 物理学 2015-06-17 Tribhuwan Pandey , David J. Singh , David Parker , Abhishek K. Singh

Half Heusler (HH) thermoelectric alloys provide a wide platform to choose materials with non-toxic and earth abundant elements. This article presents an ab-initio theoretical evaluation of electrical and thermal transport properties of…

材料科学 · 物理学 2016-10-21 Vikram , Jiban Kangsabanik , Enamullah , Aftab Alam
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