activity
20112020
most citedLarge Thermal Hall Effect in -RuCl: Evidence for Heat Transport by Kitaev-Heisenberg Paramagnons

89 citations · 447 across the 18 of their papers we have counts for

collaborators

18 papers

cond-mat.str-el2020★ 27 cited

High-field thermal transport properties of the Kitaev quantum magnet alpha-RuCl3: evidence for low-energy excitations beyond the critical field

Richard Hentrich, Xiaochen Hong, Matthias Gillig +11

We investigate the phononic in-plane longitudinal low-temperature thermal conductivity kappa_ab of the Kitaev quantum magnet alpha-RuCl3 for large in-plane magnetic fields up to 33…

cond-mat.mtrl-sci2020★ 39 cited

Electron spin resonance and ferromagnetic resonance spectroscopy in the high-field phase of the van der Waals magnet CrCl

J. Zeisner, K. Mehlawat, A. Alfonsov +5

We report a comprehensive high-field/high-frequency electron spin resonance (ESR) study on single crystals of the van der Waals magnet CrCl. This material, although being known…

cond-mat.supr-con2020★ 14 cited

MoGa endohedral cluster superconductor

Valeriy Yu. Verchenko, Alexander O. Zubtsovskii, Alexander A. Tsirlin +4

Synthesis, crystal and electronic structure, and physical properties of the MoGa endohedral cluster superconductor are reported. The compound has two crystallographic mo…

cond-mat.mtrl-sci2019★ 2 cited

InsteaDMatic: Towards cross-platform automated continuous rotation electron diffraction

Maria Roslova, Stef Smeets, Bin Wang +3

A DigitalMicrograph script InsteaDMatic has been developed to facilitate rapid automated continuous rotation electron diffraction (cRED) data acquisition. The script coordinates mi…

cond-mat.str-el2019★ 31 cited

Spin-glass state and reversed magnetic anisotropy induced by Cr doping in the Kitaev magnet -RuCl

G. Bastien, M. Roslova, M. H. Haghighi +7

Magnetic properties of the substitution series RuCrCl were investigated to determine the evolution from the anisotropic Kitaev magnet -RuCl with $J_{\rm eff}…

cond-mat.str-el2018★ 16 cited

Detuning the Honeycomb of the α-RuCl3 Kitaev lattice: A case of Cr3+ dopant

Maria Roslova, Jens Hunger, Gaël Bastien +9

Fine-tuning chemistry by doping with transition metals enables new perspectives for exploring Kitaev physics on a two-dimensional (2D) honeycomb lattice of α-RuCl3, which is promis…

cond-mat.str-el2018★ 89 cited

Large Thermal Hall Effect in -RuCl: Evidence for Heat Transport by Kitaev-Heisenberg Paramagnons

Richard Hentrich, Maria Roslova, Anna Isaeva +4

The honeycomb Kitaev model in a magnetic field is a source of a topological quantum spin liquid with Majorana fermions and gauge flux excitations as fractional quasiparticles. We p…

cond-mat.str-el2018★ 50 cited

Detuning the Honeycomb of -RuCl: Pressure-Dependent Optical Studies Reveal Broken Symmetry

Tobias Biesner, Sananda Biswas, Weiwu Li +10

The honeycomb Mott insulator -RuCl loses its low-temperature magnetic order by pressure. We report clear evidence for a dimerized structure at GPa and observe the brea…

cond-mat.supr-con2016★ 4 cited

Combined resistivity and Hall effect study on NaFeRhAs single crystals

Frank Steckel, Robert Beck, Maria Roslova +5

Electrical transport measurements are used to study the Rh-doped NaFeAs superconductor series with a focus on the tetragonal phase. The resistivity curvature has an anomalous tempe…

cond-mat.supr-con2015★ 21 cited

Crystal growth and the electronic phase diagram of the 4 doped NaFeRhAs in comparison with 3 doped NaFeCoAs

Frank Steckel, Maria Roslova, Robert Beck +13

Single crystals of NaFeTAs with T = Co, Rh have been grown using a self-flux technique. The crystals were thoroughly characterized by powder X-ray diffraction,…

cond-mat.supr-con2014★ 13 cited

Superconducting properties of KNaFeAs under pressure

V. Grinenko, W. Schottenhamel, A. U. B. Wolter +18

The effect of hydrostatic pressure and partial Na substitution on the normal-state properties and the superconducting transition temperature () of KNaFeAs…

cond-mat.supr-con2014★ 14 cited

Anomalous High-Energy Electronic Interaction in Iron-Based Superconductor

D. V. Evtushinsky, A. N. Yaresko, V. B. Zabolotnyy +11

Strong electron interactions in solids increase effective mass, and shrink the electronic bands [1]. One of the most unique and robust experimental facts about iron-based supercond…

cond-mat.supr-con2013

Crystal growth, transport phenomena and two gap superconductivity in the mixed alkali metal iron selenide

Maria Roslova, Svetoslav Kuzmichev, Tatiana Kuzmicheva +7

Using the self-flux technique we grew superconducting (z = 0.3) single crystals. The EDX mapping revealed the uniform elements distribution on the c…

cond-mat.supr-con2013★ 34 cited

Superconducting specific heat jump for KNaFeAs

V. Grinenko, D. V. Efremov, S. -L. Drechsler +9

We present a systematic study of the electronic specific heat jump () at the superconducting transition temperature of KNaFeAs. Both an…

cond-mat.supr-con2013★ 40 cited

Evidence of d-wave Superconductivity in K_(1-x)Na_xFe_2As_2 (x = 0, 0.1) Single Crystals from Low-Temperature Specific Heat Measurements

M. Abdel-Hafiez, V. Grinenko, S. Aswartham +20

From the measurement and analysis of the specific heat of high-quality K_(1-x)Na_xFe_2As_2 single crystals we establish the presence of large T^2 contributions with coefficients al…

cond-mat.supr-con2012★ 21 cited

A weak-coupling superconductivity in the electron doped NaFeCoAs is revealed by ARPES

S. Thirupathaiah, D. V. Evtushinsky, J. Maletz +8

We report a systematic study on the electronic structure and superconducting (SC) gaps in electron doped NaFeCoAs superconductor using angle-resolved photoemissio…

cond-mat.supr-con2012★ 10 cited

Local Structure and Hyperfine Interactions of 57Fe in NaFeAs Studied by Mossbauer Spectroscopy

Igor Presniakov, Igor Morozov, Alexey Sobolev +7

Detailed 57Fe Mossbauer spectroscopy measurements on superconducting NaFeAs powder samples have been performed in the temperature range 13 K < T < 300 K. The 57Fe spectra recorded…

cond-mat.supr-con2011★ 22 cited

Uniform Patterns of Fe Vacancy Ordering in the Kx(Fe,Co)2-ySe2 Superconductors

Sergey M. Kazakov, Artem M. Abakumov, Santiago González +7

The Fe-vacancy ordering patterns in the superconducting KxFe2-ySe2 and non-superconducting Kx(Fe,Co)2-ySe2 samples have been investigated by electron diffraction and high angle ann…