P. Becker

activity

20052023

most citedA New Multiferroic Material: MnWO4

173 citations · 544 across the 23 of their papers we have counts for

collaborators

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20 papers · 1 filter

cond-mat.str-el2023★ 2 cited

Multiferroic domain relaxation in (NH4)2[FeCl5(H2O)]

Sebastian Biesenkamp, Karin Schmalzl, Petra Becker +2

The molecular compound (NH4)2[FeCl5(H2O)] is a type-II multiferroic material, in which incommensurate cycloidal order directly induces ferroelectric polarization. The multiferroic…

cond-mat.str-el2023★ 9 cited

Electronic excitations in $5 d^{4}$ J=0 Os $^{4 +}$ halides studied by RIXS and optical spectroscopy

P. Warzanowski, M. Magnaterra, P. Stein +10

We demonstrate that the cubic antifluorite-type halides K $_{2}$ OsCl $_{6}$ , K $_{2}$ OsBr $_{6}$ , and Rb $_{2}$ OsBr $_{6}$ are excellent realizations of non-magnetic J=0 compounds. The magnetic susc…

cond-mat.str-el2022★ 12 cited

Single-crystal study of the honeycomb XXZ magnet BaCo $_{2}$ (PO $_{4}$ ) $_{2}$ in magnetic fields

Xiao Wang, Rohit Sharma, Petra Becker +2

We present a study of high-quality BaCo $_{2}$ (PO $_{4}$ ) $_{2}$ single crystals via magnetization, heat-capacity, thermal-expansion and magnetostriction measurements. Sharp anomalies in th…

cond-mat.str-el2022★ 8 cited

Local symmetry breaking and low-energy continuum in K $_{2}$ ReCl $_{6}$

P. Stein, T. C. Koethe, L. Bohaty +3

Using polarization selective spontaneous Raman scattering, we have investigated the 5 $d$ transition metal compound K $_{2}$ ReCl $_{6}$ which displays a series of structural phase transit…

cond-mat.str-el2022★ 10 cited

Interplay of magnetic order and ferroelasticity in the spin-orbit coupled antiferromagnet K $_{2}$ ReCl $_{6}$

Alexandre Bertin, Tusharkanti Dey, Daniel Brüning +10

The magnetic and structural phase transitions occurring in K $_{2}$ ReCl $_{6}$ were studied by macroscopic and microscopic techniques. Structural phase transitions associated with rotati…

cond-mat.str-el2022★ 14 cited

Quasimolecular electronic structure of the spin-liquid candidate Ba $_{3}$ InIr $_{2}$ O $_{9}$

A. Revelli, M. Moretti Sala, G. Monaco +16

The mixed-valent iridate Ba3InIr2O9 has been discussed as a promising candidate for quantum spin-liquid behavior. The compound exhibits Ir $^{4.5 +}$ ions in face-sharing IrO6 octahe…

cond-mat.str-el2021★ 10 cited

Multiple field-induced phases in the frustrated triangular magnet Cs $_{3}$ Fe $_{2}$ Br $_{9}$

D. Brüning, T. Fröhlich, D. Gorkov +13

The recently discovered material Cs $_{3}$ Fe $_{2}$ Br $_{9}$ contains Fe $_{2}$ Br $_{9}$ bi-octahedra forming triangular layers with hexagonal stacking along the $c$ axis. In contrast to isostruc…

cond-mat.str-el2021★ 4 cited

Chiral Order and Multiferroic Domain Relaxation in NaFeGe $_{2}$ O $_{6}$

S. Biesenkamp, D. Gorkov, W. Schmidt +5

The magnetic structure and the multiferroic relaxation dynamics of NaFeGe $_{2}$ O $_{6}$ were studied by neutron scattering on single crystals partially utilizing polarization analysis.…

cond-mat.str-el2021★ 3 cited

Single-crystal investigations on the multiferroic material LiFe(WO $_{4}$ ) $_{2}$

S. Biesenkamp, D. Gorkov, D. Brüning +9

The crystal and magnetic structure of multiferroic LiFe(WO $_{4}$ ) $_{2}$ were investigated by temperature and magnetic-field dependent specific heat, susceptibility and neutron diffract…

cond-mat.str-el2020★ 5 cited

Structural dimerization in the commensurate magnetic phases of NaFe(WO $_{4}$ ) $_{2}$ and MnWO $_{4}$

S. Biesenkamp, N. Qureshi, Y. Sidis +3

The structural distortion and magnetoelastic coupling induced through commensurate magnetism has been investigated by neutron diffraction in structurally related MnWO $_{4}$ and NaFe(…

cond-mat.str-el2020★ 12 cited

Magnetoelectric coupling in the mixed erythrosiderite [(NH $_{4}$ ) $_{1 - x}$ K $_{x}$ ] $_{2}$ [FeCl $_{5}$ (H $_{2}$ O)]

Daniel Brüning, Tobias Fröhlich, Malte Langenbach +7

We present a study of the dielectric, structural, and magnetic properties of the multiferroic or linear magnetoelectric substitution series [(NH $_{4}$ ) $_{1 - x}$ K $_{x}$ ] $_{2}$ [FeCl $_{5}$ (H$_…

cond-mat.str-el2019★ 22 cited

Multiple Spin-Orbit Excitons and the Electronic Structure of $α$ -RuCl $_{3}$

P. Warzanowski, N. Borgwardt, K. Hopfer +7

The honeycomb compound $α$ -RuCl $_{3}$ is widely discussed as a proximate Kitaev spin-liquid material. This scenario builds on spin-orbit entangled $j = 1/2$ moments arising for a $t_…

cond-mat.str-el2019★ 73 cited

High-Field Quantum Disordered State in $α$ -RuCl3: Spin Flips, Bound States, and a Multi-Particle Continuum

A. Sahasrabudhe, D. A. S. Kaib, S. Reschke +15

Layered $α$ -RuCl3 has been discussed as a proximate Kitaev spin liquid compound. Raman and THz spectroscopy of magnetic excitations confirm that the low-temperature antiferromagnet…

cond-mat.str-el2019★ 3 cited

Coupled dynamics of long-range and internal spin cluster order in Cu $_{2}$ OSeO $_{3}$

R. B. Versteeg, J. Zhu, C. Boguschewski +7

Cu $_{4}$ triplet clusters form the relevant spin entity for the formation of long-range magnetic order in the cluster magnet Cu $_{2}$ OSeO $_{3}$ . Using time-resolved Raman spectroscopy, w…

cond-mat.str-el2019★ 10 cited

Domain dynamics in LiCuVO $_{4}$ : Evidence for polarized nanoregions

Christoph P. Grams, Severin Kopatz, Daniel Brüning +5

LiCuVO $_{4}$ is a model system of a 1D spin-1/2 chain that enters a planar spin-spiral ground state below its Néel temperature of 2.4 K due to competing nearest and next nearest neig…

cond-mat.str-el2019★ 52 cited

Resonant inelastic x-ray incarnation of Young's double-slit experiment

A. Revelli, M. Moretti Sala, G. Monaco +12

Young's archetypal double-slit experiment forms the basis for modern diffraction techniques: the elastic scattering of waves yields an interference pattern that captures the real-s…

cond-mat.str-el2014★ 24 cited

Kinetics of the Multiferroic Switching in MnWO $_{4}$

M. Baum, J. Leist, Th. Finger +7

The time dependence of switching multiferroic domains in MnWO $_{4}$ has been studied by time-resolved polarized neutron diffraction. Inverting an external electric field inverts the…

cond-mat.str-el2009★ 1 cited

Control of chiral magnetism in multiferroic MnWO4 through an electric field

T. Finger, D. Senff, K. Schmalzl +5

The chiral components in the magnetic order in multiferroic MnWO4 have been studied by neutron diffraction using spherical polarization analysis as a function of temperature and of…

cond-mat.str-el2008★ 56 cited

Anomalous expansion and phonon damping due to the Co spin-state transition in RCoO_3 with R = La, Pr, Nd and Eu

K. Berggold, M. Kriener, P. Becker +4

We present a combined study of the thermal expansion and the thermal conductivity of the perovskite series RCoO_3 with R = La, Nd, Pr and Eu. The well-known spin-state transition i…

cond-mat.str-el2006★ 173 cited

A New Multiferroic Material: MnWO4

O. Heyer, N. Hollmann, I. Klassen +6

We report the multiferroic behaviour of MnWO $_{4}$ , a magnetic oxide with monoclinic crystal structure and spiral long-range magnetic order. Based upon recent theoretical predictions…

Multiferroic domain relaxation in (NH4)2[FeCl5(H2O)]

Electronic excitations in 5d4 J=0 Os4+ halides studied by RIXS and optical spectroscopy

Single-crystal study of the honeycomb XXZ magnet BaCo2​(PO4​)2​ in magnetic fields

Local symmetry breaking and low-energy continuum in K2​ReCl6​

Interplay of magnetic order and ferroelasticity in the spin-orbit coupled antiferromagnet K2​ReCl6​

Quasimolecular electronic structure of the spin-liquid candidate Ba3​InIr2​O9​

Multiple field-induced phases in the frustrated triangular magnet Cs3​Fe2​Br9​

Chiral Order and Multiferroic Domain Relaxation in NaFeGe2​O6​

Single-crystal investigations on the multiferroic material LiFe(WO4​)2​

Structural dimerization in the commensurate magnetic phases of NaFe(WO4​)2​ and MnWO4​

Magnetoelectric coupling in the mixed erythrosiderite [(NH4​)1−x​Kx​]2​[FeCl5​(H2​O)]

Multiple Spin-Orbit Excitons and the Electronic Structure of α-RuCl3​

High-Field Quantum Disordered State in α-RuCl3: Spin Flips, Bound States, and a Multi-Particle Continuum

Coupled dynamics of long-range and internal spin cluster order in Cu2​OSeO3​

Domain dynamics in LiCuVO4​: Evidence for polarized nanoregions