Exotic topological phonon modes in semiconductors: Symmetry analysis and first-principles calculations for representative examples

G Ding, C **e, J Gong, J Wang, J Bai, W Wang, D Li… - Physical Review B, 2023‏ - APS
Nowadays, it is recognized that semiconductors are prospective candidates for promising
thermoelectric materials and the gapless topological phonon modes can result in a high …

Topological thermoelectrics: New opportunities and challenges

T Yang, Y Yang, X Wang, G Zhang, Z Cheng - Materials Today Chemistry, 2023‏ - Elsevier
Due to the great application potential of the efficient interconversion between heat and
electricity, thermoelectric materials have long been the research focal points in condensed …

First-principles calculations to investigate lead-free double perovskites CsInSbAgX6 (X= Cl, Br and I) for optoelectronic and thermoelectric applications

S Bouhmaidi, A Harbi, RK **ak, A Azouaoui… - Computational and …, 2023‏ - Elsevier
In this study, novel lead-free double perovskites CsInSbAgX 6 (X= Cl, Br and I) are proposed
and theoretically investigated for the first time for their potential application in optoelectronic …

Fully spin-polarized hourglass charge-three Weyl points and sextuple-helicoid surface arcs in -type

J Wang, H Yuan, W Wang, G Ding, XP Li, X Wang - Physical Review B, 2023‏ - APS
Magnetic topological materials exhibiting unique topological quantum physics due to the
combination of spintronics and topology have aroused the interest of researchers. We …

Topological nodal-point phononic systems

T Yang, J Wang, XP Li, X Wang, Z Cheng, W Wang… - Matter, 2024‏ - cell.com
Topological phonons in materials are associated with specific atomic lattice vibrations
around the terahertz frequency ranges, offering a rich platform for studying various boson …

Exploring the structural, Mechanical, electronic, optical, and thermoelectric properties of Cesium-based double perovskite Cs2GeSnX6 (X= Cl, Br, I) compounds: A …

D Abdullah, DC Gupta - Materials Science in Semiconductor Processing, 2023‏ - Elsevier
Abstract The Cubic Cs 2 GeSnX 6 (X= Cl, Br, I) double perovskite's structural, thermoelectric,
electronic, and optical properties are examined within the framework of density functional …

A computational insight into the Zintl SZr2N2 and BaAg2S2 phases for optoelectronic thermoelectric applications

J Munir, SMH Qaid, AA Aslam, MU Din… - Physica B: Condensed …, 2023‏ - Elsevier
The physical characteristics of SZr 2 N 2 and BaAg 2 S 2 Zintl phases have been explored
by utilizing the full-potential augmented plane wave (FP-LAPW) method with the …

Maximally charged single-pair multi-Weyl point phonons in -type

Y Yang, C **e, Y Cui, X Wang, W Wu - Physical Review B, 2023‏ - APS
The realization of multi-Weyl systems with the minimum nonzero number of Weyl points and
the maximum charge number remains challenging in topology physics. In this work, based …

Electronic, elastic and piezoelectric properties calculations of perovskites materials type BiXO3 (X= Al, Sc): DFT and DFPT investigations

R Samia, A Yahia, B Ahmed, B Mokhtar, M Noureddine… - Chemical Physics, 2023‏ - Elsevier
Throughout this work, the structural characteristics are analyzed. Electronic, thermal, and
piezo-electric properties of two perovskite-type cubic crystalline structures are presented in …

[HTML][HTML] Investigation of structural, opto-electronic, mechanical and thermoelectric properties of Rb-based fluoro-perovskites RbXF3 (X= Rh, Os, Ir) via first-principles …

UA Khan, MR Sarker, NU Khan, S Khan… - Journal of Saudi …, 2023‏ - Elsevier
A theoretical study on Rb-based fluorperovskites RbXF 3 (X= Rh, Os, Ir) is performed for the
first time to explore their structural, electronic, optical and thermoelectric properties. The …