Effect of interface thermal resistance on thermoelectric properties of acoustically mismatched composite

A Kumar, KT Wojciechowski - Journal of the European Ceramic Society, 2022 - Elsevier
Composite materials can be promising to decouple electron and phonon transport for
improved thermoelectric properties. Herein, the synergistic effect of the particle size of the …

[HTML][HTML] Towards energy filtering in Mg2X-based composites: Investigating local carrier concentration and band alignment via SEM/EDX and transient Seebeck …

S Ghosh, H Naithani, B Ryu, G Oppitz, E Müller… - Materials Today …, 2023 - Elsevier
A comprehensive understanding of multi-phase materials requires the characterization of
transport properties at the micro/nano-scale. Optimized alignments of the conduction bands …

Synergistic effect of work function and acoustic impedance mismatch for improved thermoelectric performance in GeTe-WC composite

A Kumar, P Bhumla, A Kosonowski… - … Applied Materials & …, 2022 - ACS Publications
The preparation of composite materials is a promising methodology for concurrent
optimization of electrical and thermal transport properties for improved thermoelectric (TE) …

Improvement of stability in a Mg2Si-based thermoelectric single-leg device via Mg50Si15Ni50 barrier

J Chen, W Fan, Y Wang, Y Jiang, S Ohno… - Journal of Alloys and …, 2022 - Elsevier
In this study we investigated the nature and stability of the interfaces between Mg 2.05 Si
0.98 Bi 0.02 as the TE material and Ni and Mg 50 Si 15 Ni 50 as barriers. Single-leg devices …

Effect of crystal field engineering and Fermi level optimization on thermoelectric properties of : Experimental investigation and theoretical insight

A Kumar, P Bhumla, D Sivaprahasam… - Physical Review …, 2023 - APS
This study shows a method of enhancing the thermoelectric properties of GeTe-based
materials through Ti and Bi codoping on cation sites along with self-doping of Ge via …

[HTML][HTML] Investigation of simultaneous carrier/phonon scattering and bipolar conduction effects in inorganic/organic composites: Implications for thermoelectric …

C Kim, K Kim, J Cho, DH Lopez - APL Materials, 2023 - pubs.aip.org
For low-temperature thermoelectric applications, a bulk-phase inorganic/organic composite
is prepared by introducing a conducting polymer, which is recognized as a potential organic …

Structural and Thermoelectric Properties of AlFeMB (M=Ag, Ni, Sb, Ga, and Ge) Intermetallic Borides

D Sivaprahasam, R Preyadarshini, A Kumar - arXiv preprint arXiv …, 2024 - arxiv.org
AlFe $ _2 $ B $ _2 $, a ternary transition metal boride doped with Ag, Ni, Sb, Ga, and Ge
was investigated for the phase constituents, microstructure, and thermoelectric properties …

[PDF][PDF] The concept of the composite thermoelectric materials with attuned electronic structure and mismatched phonon structure (AES-MPS)

K Wojciechowski, A Kosonowski… - …, 2023 - thermoelectric-conference.eu
The energy conversion efficiency of thermoelectric elements depends directly on the so-
called averaged thermoelectric figure of merit ZTaver. Achieving a high ZTaver in practice …