Thermoelectric Performance of the Half-Heusler Phases (): High Mobility Ratio between Majority and Minority Charge Carriers

K Ciesielski, K Synoradzki, I Veremchuk… - Physical Review …, 2020 - APS
Deeper understanding of electrical and thermal transport is critical for further development of
thermoelectric materials. Here we describe the thermoelectric performance of a group of rare …

Thermal and electronic transport properties of the half-Heusler phase ScNiSb

K Synoradzki, K Ciesielski, I Veremchuk, H Borrmann… - Materials, 2019 - mdpi.com
Thermoelectric properties of the half-Heusler phase ScNiSb (space group F 4¯ 3 m) were
studied on a polycrystalline single-phase sample obtained by arc-melting and spark-plasma …

[HTML][HTML] High-temperature power factor of half-heusler phases RENiSb (RE= sc, Dy, Ho, Er, Tm, Lu)

K Ciesielski, K Synoradzki, I Wolańska… - Journal of Alloys and …, 2020 - Elsevier
Study on half-Heusler compounds RENiSb, RE= Sc, Dy, Ho, Er, Tm, Lu, was performed in
perspective of high-temperature thermoelectric application. Relatively small electrical …

Origin of the negative temperature coefficient of resistivity in the half-Heusler antimonides LuNiSb and YPdSb

D Gnida, K Ciesielski, D Kaczorowski - Physical Review B, 2021 - APS
The electrical transport in the half-Heusler phases LuNiSb and YPdSb was measured in a
temperature range 2–300 K. For both compounds, the electrical resistivity was found to …

Enhanced thermoelectric power factor of half-Heusler solid solution Sc1-xTmxNiSb prepared by high-pressure high-temperature sintering method

I Wolańska, K Synoradzki, K Ciesielski, K Załęski… - Materials Chemistry and …, 2019 - Elsevier
In an effort to find new thermoelectric materials, a series of half-Heusler alloys Sc 1-x Tm x
NiSb (x= 0.0, 0.25, 0.5, 0.75, 1.0) was synthesized by arc melting and subsequent high …

First-principles calculations of structural, electronic, optical, and thermoelectric properties of LuNiBi and LuNiSb half-heusler

A Touia, K Benyahia, A Tekin - Journal of Superconductivity and Novel …, 2021 - Springer
The structural, electronic, optical, and thermo-electric properties of LuNiBi and LuNiSb Half-
Heusler have been studied using a full potential linearized augmented plane-wave (FP …

Half-Heusler phase TmNiSb under pressure: intrinsic phase separation, thermoelectric performance and structural transition

K Ciesielski, K Synoradzki, D Szymański, K Tobita… - Scientific Reports, 2023 - nature.com
Abstract Half-Heusler (HH) phase TmNiSb was obtained by arc-melting combined with high-
pressure high-temperature sintering in conditions: p= 5.5 GPa, T HPHT= 20, 250, 500, 750 …

A theoretical investigation of 18-electron half-Heusler tellurides in terms of potential thermoelectric value

K Bilińska, D Goles, MJ Winiarski - The European Physical Journal B, 2023 - Springer
Abstract Half-Heusler tellurides (M IV M VIII Te, where M IV= Ti, Zr, Hf, and M VIII= Fe, Ru,
Os) with 18 valence electrons were the subject of theoretical predictions from first principles …

Multi-band simultaneous fits of transport data on -type ScNiSb with including impurity conduction

Y Kajikawa - International Journal of Modern Physics B, 2022 - World Scientific
The experimental data of the electrical conductivity σ (T) and the Seebeck coefficient S (T) in
the temperature range from 2 K to 950 K, together with those of the Hall coefficient RH (T) in …

Narrow gap electronic structure and thermoelectric performance of p-type ErMSb (M= Ni, Pd) half Heusler compounds

JK Satyam, SM Saini - Physica B: Condensed Matter, 2022 - Elsevier
The structural, electronic and thermoelectric properties of narrow gap ErMSb (M= Ni, Pd) half
Heusler (HH) compounds are determined using first-principle calculations, based on density …