Experimental perspective on three-dimensional topological semimetals

BQ Lv, T Qian, H Ding - Reviews of Modern Physics, 2021 - APS
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

Topological semimetals from first principles

H Gao, JWF Venderbos, Y Kim… - Annual Review of …, 2019 - annualreviews.org
We review recent theoretical progress in the understanding and prediction of novel
topological semimetals. Topological semimetals define a class of gapless electronic phases …

First-principles calculations of structural, elastic, electronic, and optical properties of CaYP (Y= Cu, Ag) Heusler alloys

L Drici, F Belkharroubi, FZ Boufadi, I Ameri, M Ameri… - Emergent …, 2022 - Springer
Our comparative study is carried out on different structural, elastic, electronic, and optical
properties of two new half-Heusler CaCuP and CaAgP compounds by using first-principles …

Spectroscopic evidence for the realization of a genuine topological nodal-line semimetal in LaSbTe

Y Wang, Y Qian, M Yang, H Chen, C Li, Z Tan, Y Cai… - Physical Review B, 2021 - APS
The nodal line semimetals have attracted much attention due to their unique topological
electronic structure and exotic physical properties. A genuine nodal-line semimetal is …

Recent progress in phosphide materials for thermoelectric conversion

RJ Quinn, JWG Bos - Journal of Materials Chemistry A, 2023 - pubs.rsc.org
Thermoelectric materials allow for the interconversion of heat and electricity. Rapid progress
has been made in materials performance but there is a continuing need for the exploration …

Physical studies of spintronics-based Heusler alloys

Y Al-Douri, M Ameri - Critical Reviews in Solid State and Materials …, 2024 - Taylor & Francis
This is to review the structural, elastic, optoelectronic, mechanical, thermodynamic, and
magnetic properties of different half-and full-Heusler compounds such as NiTiX and CoVX …

Designing three-dimensional flat bands in nodal-line semimetals

A Lau, T Hyart, C Autieri, A Chen, DI Pikulin - Physical Review X, 2021 - APS
Electrons with large kinetic energy have a superconducting instability for infinitesimal
attractive interactions. Quenching the kinetic energy and creating a flat band renders an …

First-Principles Prediction of High-Pressure Phase and Thermoelectric Transport in SrAgP

V Chaudhary, R Dhawan, T Maitra… - The Journal of …, 2023 - ACS Publications
Designing new materials for waste heat to electricity conversion is crucial in energy science.
Herein, we have predicted a high-pressure phase of SrAgP, realized above 11 GPa …

[HTML][HTML] Promising thermoelectric performance in CaAgP with intrinsic Ag vacancies

RJ Quinn, JWG Bos - Applied Physics Letters, 2022 - pubs.aip.org
Semimetals have recently emerged at the forefront of contemporary thermoelectrics
research. In this paper, we show that the candidate Dirac semimetal CaAgP forms with a …

Observation of a topological nodal-line semimetal in through optical spectroscopy

Z Qiu, C Le, Z Liao, B Xu, R Yang, J Hu, Y Dai, X Qiu - Physical Review B, 2019 - APS
The optical properties of YbMnSb 2 have been measured in a broad frequency range from
room temperature down to 7 K. With decreasing temperature, a flat region develops in the …