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 …

Synthesis and Stability Phase Diagram of Topological Semimetal Family LnSbxTe2–x–δ

TH Salters, J Colagiuri, A Koch Liston… - Chemistry of …, 2024 - ACS Publications
The solid solution LnSb x Te2–x–δ (Ln= lanthanide) is a family of square-net topological
semimetals that exhibit tunable charge density wave (CDW) distortions and band filling …

Designing giant Hall response in layered topological semimetals

G Skorupskii, F Orlandi, I Robredo, M Jovanovic… - Nature …, 2024 - nature.com
Noncoplanar magnets are excellent candidates for spintronics. However, such materials are
difficult to find, and even more so to intentionally design. Here, we report a chemical design …

Charge density wave induced nodal lines in LaTe3

S Sarkar, J Bhattacharya, P Sadhukhan… - Nature …, 2023 - nature.com
LaTe3 is a non-centrosymmetric material with time reversal symmetry, where the charge
density wave is hosted by the Te bilayers. Here, we show that LaTe3 hosts a Kramers nodal …

Charge density wave-templated spin cycloid in topological semimetal

TH Salters, F Orlandi, T Berry, JF Khoury… - Physical Review …, 2023 - APS
Magnetic topological semimetals present open questions regarding the interplay of crystal
symmetry, magnetism, band topology, and electron correlations. Ln Sb x Te 2-x-δ (Ln …

Tailored modifications of the electronic properties of gC 3 N 4/C 2 Nh 2D nanoribbons by first-principles calculations

D Fan, M Yin, M Zhu, H Li, Z Wang, H Hu… - Physical Chemistry …, 2023 - pubs.rsc.org
The electronic structure of g-C3N4/C2N-h2D nanoribbons was investigated by first-
principles calculations. As a splice structure, we first computed the three magnetic coupled …

Emergence of a two-dimensional topological Dirac semimetal phase in a phthalocyanine-based covalent organic framework

X Ni, H Huang, JL Brédas - Chemistry of Materials, 2022 - ACS Publications
Two-dimensional covalent organic frameworks (COFs) offer a great range of structural
flexibility via the integration of various molecular building units into periodic frameworks …

Accessing bands with extended quantum metric in kagome Cs2Ni3S4 through soft chemical processing

G Villalpando, M Jovanovic, B Hoff, Y Jiang… - Science …, 2024 - science.org
Flat bands that do not merely arise from weak interactions can produce exotic physical
properties, such as superconductivity or correlated many-body effects. The quantum metric …

Competing Magnetic Phases in LnSbTe (Ln = Ho and Tb)

I Plokhikh, V Pomjakushin, DJ Gawryluk… - Inorganic …, 2022 - ACS Publications
The interplay between a topological electronic structure and magnetism may result in
intricate physics. In this work, we describe a case of rather peculiar coexistence or …

[HTML][HTML] On the magnetic structures of 1: 1: 1 stoichiometric topological phases LnSbTe (Ln= Pr, Nd, Dy and Er)

I Plokhikh, V Pomjakushin, DJ Gawryluk… - Journal of Magnetism …, 2023 - Elsevier
LnSbTe (Ln–lanthanide) group of materials, belonging to ZrSiS/PbFCl (P4/nmm) structure
type, is a platform to study the phenomena originating from the interplay between the …