34 citations · 270 across the 22 of their papers we have counts for
7 papers · 1 filter
Near room-temperature ferromagnetism from double-exchange in the van der Waals material CrGeTe: evidence from optical conductivity under pressure
Jihaan Ebad-Allah, Daniel Guterding, Meera Varma +4
The unexpected discovery of intrinsic ferromagnetism in layered van der Waals materials has sparked interest in both their fundamental properties and their potential for novel appl…
Optical signature of the pressure-induced dimerization in the honeycomb iridate -LiIrO
V. Hermann, J. Ebad-Allah, F. Freund +4
We studied the effect of external pressure on the electrodynamic properties of -LiIrO single crystals in the frequency range of the phonon modes and the Ir - trans…
Pressure-induced formation of rhodium zigzag chains in the honeycomb rhodate LiRhO
V. Hermann, S. Biswas, J. Ebad-Allah +8
We use powder x-ray diffraction to study the effect of pressure on the crystal structure of the honeycomb rhodate LiRhO. We observe low-pressure ( = 6.5 GPa)…
High-pressure versus isoelectronic doping effect on the honeycomb iridate NaIrO
V. Hermann, J. Ebad-Allah, F. Freund +7
We study the effect of isoelectronic doping and external pressure in tuning the ground state of the honeycomb iridate NaIrO by combining optical spectroscopy with synchrotr…
Pressure dependence of the Verwey transition in magnetite: an infrared spectroscopic point of view
J. Ebad-Allah, L. Baldassarre, M. Sing +3
We investigated the electronic and vibrational properties of magnetite at temperatures from 300 K down to 10 K and for pressures up to 10 GPa by far-infrared reflectivity measureme…
Polaron physics and crossover transition in magnetite probed by pressure-dependent infrared spectroscopy
J. Ebad-Allah, L. Baldassarre, M. Sing +3
The optical properties of magnetite at room temperature were studied by infrared reflectivity measurements as a function of pressure up to 8 GPa. The optical conductivity spectrum…
Two pressure-induced structural phase transitions in TiOCl
J. Ebad-Allah, A. Schönleber, S. van Smaalen +7
We studied the crystal structure of TiOCl up to pressures of =25~GPa at room temperature by x-ray powder diffraction measurements. Two pressure-induced structural phase transiti…