Strategies and challenges of high-pressure methods applied to thermoelectric materials

NV Morozova, IV Korobeinikov… - Journal of Applied …, 2019 - pubs.aip.org
We describe the current state of experimental studies of the effects of applied high pressure
or stress on the thermoelectric properties and performance parameters of thermoelectric …

High-pressure phases of from first principles

TD Huan, VN Tuoc, NB Le, NV Minh, LM Woods - Physical Review B, 2016 - APS
First-principles calculations are presented to resolve the possible pressure-dependent
phases of Mg 2 Si. Although previous reports show that Mg 2 Si is characterized by the cubic …

Stress-controlled thermoelectric module for energy harvesting and its application for the significant enhancement of the power factor of Bi2Te3-based thermoelectrics

IV Korobeinikov, NV Morozova… - Journal of Physics D …, 2017 - iopscience.iop.org
We propose a model of a thermoelectric module in which the performance parameters can
be controlled by applied tuneable stress. This model includes a miniature high-pressure …

Phase Relationship of Mg2Si at High Pressures and High Temperatures and Thermoelectric Properties of Mg9Si5

M Imai, S Ibuka, Y Isoda - Inorganic Chemistry, 2021 - ACS Publications
Magnesium silicide (Mg2Si) is a promising eco-friendly thermoelectric material, which has
been extensively studied in recent times. However, its phase behavior at high pressures and …

Phase relations and thermoelasticity of magnesium silicide at high pressure and temperature

NA Gaida, K Niwa, T Sasaki… - The Journal of Chemical …, 2021 - pubs.aip.org
Within the exploration of sustainable and functional materials, narrow bandgap magnesium
silicide semiconductors have gained growing interest. Intriguingly, squeezing silicides to …

[HTML][HTML] Pressure induced convergence of conduction bands in Al doped Mg2Si: experiment and theory

J Li, X Zhang, B Duan, Y Cui, H Yang, H Wang, J Li… - Journal of …, 2019 - Elsevier
High-pressure and high-temperature (HPHT) synthesis provides an effective way to tune the
band structure of materials and improve their electronic properties. To investigate the …

High pressure synthesis of multiple doped Mg2Si-based thermoelectric materials

J Wei, B Duan, J Li, H Yang, G Chen, P Zhai - Journal of Materials Science …, 2018 - Springer
High pressure high temperature technology is an effective route for preparing thermoelectric
materials. In this work, a series of multi-doped Mg 2.02− x Al x Si 1− 3 y Bi 2 y Sb y (x= 0.03 …

Corrosion Performance and Mechanical Strength in Aluminum 6061 Joints by Pulsed Gas Metal Arc Welding

I Guzmán, E Granda, C Cruz, D Martínez, B Vargas… - Materials, 2022 - mdpi.com
In this paper, the analysis of electrochemical corrosion performance and mechanical
strength of weld joints of aluminum 6061 in two-heat treatment conditions was performed …

Thermoelectric Properties of Mg2Si0.995Sb0.005 Prepared by the High-Pressure High-Temperature Method

J Li, G Chen, B Duan, Y Zhu, X Hu, P Zhai… - Journal of Electronic …, 2017 - Springer
Abstract Mg 2 Si 0.995 Sb 0.005 compound was prepared by the high-pressure high-
temperature (HPHT) method. The simultaneous synthesis and consolidation in one step …

Pressure-induced metallization in Mg2Si

JL Wang, SJ Zhang, Y Liu, CQ Jin, NN Li… - Journal of Physics D …, 2017 - iopscience.iop.org
Mg 2 Si with narrow band gap has attracted increasing interest for its great potential
applications. Theoretical calculations have predicted the metallization of Mg 2 Si under high …