activity
20202026
most citedFerromagnetic MnBi4Te7 obtained with low concentration Sb doping: A promising platform for exploring topological quantum states

24 citations · 56 across the 6 of their papers we have counts for

collaborators

6 papers

cond-mat.mtrl-sci2026

Charge dynamics in the Weyl semimetals NbIrTe and TaIrTe under pressure: Signatures of an electronic phase transition

M. Lamp, J. Ebad-Allah, A. Chmeruk +7

A high-pressure investigation of the Weyl semimetals NbIrTe and TaIrTe is presented, using infrared spectroscopy supplemented by density functional theory calculations. The…

cond-mat.mtrl-sci2023★ 9 cited

Signatures of van Hove singularities in the anisotropic in-plane optical conductivity of the topological semimetal NbSiTe

J. Ebad-Allah, A. A. Tsirlin, Y. L. Zhu +2

We present a temperature-dependent infrared spectroscopy study on the layered topological semimetal NbSiTe combined with density-functional theory (DFT) calculations of the…

cond-mat.mtrl-sci2022★ 5 cited

In-plane and out-of-plane optical response of the nodal-line semimetals ZrGeS and ZrGeSe

J. Ebad-Allah, S. Rojewski, Y. L. Zhu +2

Polarization-dependent reflectivity measurements were carried out over a broad frequency range on single-crystalline ZrGeSe and ZrGeS compounds, which are closely related to the pr…

cond-mat.mtrl-sci2022★ 24 cited

Ferromagnetic MnBi4Te7 obtained with low concentration Sb doping: A promising platform for exploring topological quantum states

Y. D. Guan, C. H. Yan, S. H. Lee +11

The tuning of magnetic phase, chemical potential, and structure is crucial to observe diverse exotic topological quantum states in (m = 0, 1, 2, & 3). Here…

cond-mat.mtrl-sci2022★ 5 cited

Infrared study of the layered, magnetic insulator Mn(BiSb)Te at low temperatures

M. Köpf, S. H. Lee, H. Kumar +2

Topological insulators with intrinsic magnetic ordering, potentially hosting rare quantum effects, recently attracted extensive attention. MnBiTe is the first established e…

cond-mat.mtrl-sci2020★ 13 cited

Influence of magnetic ordering on the optical response of the antiferromagnetic topological insulator MnBiTe

M. Köpf, J. Ebad-Allah, S. Lee +2

The layered topological insulator MnBiTe has attracted great interest recently due to its intrinsic antiferromagnetic order, potentially hosting various topological phases.…