activity
20072017
most citedEffect of Fe excess on structural, magnetic and superconducting properties of single-crystalline Fe(1+x)Te(1-y)Se(y)

119 citations · 514 across the 15 of their papers we have counts for

collaborators

16 papers

cond-mat.mtrl-sci2017★ 2 cited

Phonon Spectra in the Parent Superconducting Iron-tuned Telluride FeTe from Inelastic Neutron Scattering and Ab Initio Calculations

Mohamed Zbiri, Romain Viennois

We report inelastic neutron scattering measurements of phonon spectra in the parent superconductor iron-tuned chalcogenide FeTe, for two different x contents (x 0.11…

cond-mat.mtrl-sci2013★ 27 cited

Physical properties of the thermoelectric cubic lanthanum chalcogenides La3-yX4 (X=S,Se,Te) from first-principles

Romain Viennois, Kinga Niedziolka, Philippe Jund

We report ab-initio calculations of the stability, lattice dynamics, electronic and thermoelectric properties of cubic La3-yX4 (X=S,Se,Te) materials in view of analyzing their pote…

cond-mat.mtrl-sci2013★ 59 cited

Lattice stability and formation energies of intrinsic defects in Mg2Si and Mg2Ge via first principles simulations

Philippe Jund, Romain Viennois, Catherine Colinet +3

We report an ab initio study of the semiconducting Mg2X (with X = Si, Ge) compounds and in particular we analyze the formation energy of the different point defects with the aim to…

cond-mat.str-el2012★ 6 cited

High-field irreversible moment reorientation in the antiferromagnet FeTe

W. Knafo, R. Viennois, G. Ballon +5

Magnetization measurements have been performed on single-crystalline FeTe in pulsed magnetic fields up to 53 T and temperatures from 4.2 to 65 K…

cond-mat.mtrl-sci2012★ 72 cited

Physical properties of thermoelectric zinc antimonide using first-principles calculations

Philippe Jund, Romain Viennois, Xiaoma Tao +2

We report first principles calculations of the structural, electronic, elastic and vibrational properties of the semiconducting orthorhombic ZnSb compound. We study also the intrin…

cond-mat.supr-con2012★ 86 cited

Temperature and time scaling of the peak-effect vortex configuration in FeTeSe

Marco Bonura, Enrico Giannini, Romain Viennois +1

An extensive study of the magnetic properties of FeTeSe crystals in the superconducting state is presented. We show that weak collective pinning, originating from s…