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Publications (21)

cond-mat.str-el2021

Magnetization process of atacamite: a case of weakly coupled $S = 1/2$ sawtooth chains

L. Heinze, H. O. Jeschke, I. I. Mazin +17

We present a combined experimental and theoretical study of the mineral atacamite Cu $_{2}$ Cl(OH) $_{3}$ . Density functional theory yields a Hamiltonian describing anisotropic sawtooth c…

cond-mat.mes-hall2018

MnSi-nanostructures obtained from thin films: magnetotransport and Hall effect

D. Schroeter, N. Steinki, M. Schilling +6

We present a comparative study of the (magneto)transport properties, including Hall effect, of bulk, thin film and nanostructured MnSi. In order to set our results in relation to p…

cond-mat.mtrl-sci2015

Structural disorder versus chiral magnetism in Cr $_{1/3}$ NbS $_{2}$

V. Dyadkin, F. Mushenok, A. Bosak +4

The crystal structure of a disordered form of Cr $_{1/3}$ NbS $_{2}$ has been characterized using diffraction and inelastic scattering of synchrotron radiation. In contrast to the previ…

cond-mat.str-el2026

Competing Ordering Modes in the Distorted Quantum Kagome Material Clinoatacamite Cu $_{2}$ Cl(OH) $_{3}$

L. StÃ¶dter, C. Kastner, H. O. Jeschke +20

We have studied the magnetic properties of clinoatacamite Cu $_{2}$ Cl(OH) $_{3}$ , the parent compound of the quantum spin liquid candidate herbertsmithite and a longstanding puzzle among…

cond-mat.str-el2023

Near coincidence of metal-insulator transition and quantum critical fluctuations: Electronic ground state and magnetic order in Fe $_{1 - x}$ Co $_{x}$ Si

J. Grefe, P. Herre, Y. Hilgers +7

We present a detailed study of the electronic and magnetic ground state properties of Fe $_{1 - x}$ Co $_{x}$ Si using a combination of macroscopic and microscopic experimental technique…

cond-mat.str-el2020

Magnetic and electronic phases of U $_{2}$ Rh $_{3}$ Si $_{5}$

J. Willwater, N. Steinki, R. Reuter +7

We present a detailed study of the magnetic and electronic properties of U $_{2}$ Rh $_{3}$ Si $_{5}$ , a material that has been demonstrated to exhibit a first order antiferromagnetic phase t…

cond-mat.mtrl-sci2008

O- and H- induced surface core level shifts on Ru(0001): Prevalence of the additivity rule

S. Lizzit, Y. Zhang, K. L. Kostov +4

In previous work on adsorbate-induced surface core level shifts (SCLSs), the effects caused by O atom adsorption on Rh(111) and Ru(0001) were found to be additive: the measured shi…

cond-mat.mtrl-sci2015

The Dzyaloshinskii-Moriya interaction is under control: an orchestrated flip of the chiral link between structure and magnetism for Fe $_{1 - x}$ Co $_{x}$ Si

S. -A. Siegfried, E. V. Altynbaev, N. M. Chubova +7

Monosilicides of 3d-metals frequently show a chiral magnetic ordering with the absolute configuration defined by the chirality of the crystal structure and the sign of the Dzyalosh…

cond-mat.str-el2026

Magnetoresistance in the helical itinerant magnets MnSi and Mn $_{1 - x}$ Co $_{x}$ Si

A. E. Petrova, S. Yu. Gavrilkin, D. Menzel +2

We studied the longitudinal and transverse magnetoresistance of helical magnets, MnSi and Mn $_{1 - x}$ Co $_{x}$ Si, at temperatures between 1.8 and 100~K and in magnetic fields up to 9 T…

cond-mat.str-el2025

Cubic magnetic anisotropy in $B$ 20 magnets: Interplay of anisotropy and magnetic order in Fe $_{1 - x}$ Co $_{x}$ Si

G. GÃ¶decke, A. O. Leonov, J. Grefe +2

The metallic systems MnSi and Fe $_{1 - x}$ Co $_{x}$ Si are known to feature a generic magnetic phase diagram primarily determined by the isotropic exchange and Dzyaloshinskii-Moriya in…

cond-mat.str-el2017

Fragile balance of the exchange interactions in Mn $_{1 - x}$ Co $_{x}$ Ge compounds

E. Altynbaev, S. -A. Siegfried, P. StrauÃ +5

The magnetic system of the pseudobinary compound Mn $_{1 - x}$ Co $_{x}$ Ge has been studied using small-angle neutron scattering and SQUID-measurements. It is found that Mn $_{1 - x}$ Co$_{…

cond-mat.mtrl-sci2001

Surface Core Level Shifts of Clean and Oxygen Covered Ru(0001)

S. Lizzit, A. Baraldi, A. Groso +8

We have performed high resolution XPS experiments of the Ru(0001) surface, both clean and covered with well-defined amounts of oxygen up to 1 ML coverage. For the clean surface we…

cond-mat.mes-hall2020

Effect of interactions and non-uniform magnetic states on the magnetization reversal of iron nanowire arrays

I. S. Dubitskiy, A. H. A. Elmekawy, E. G. Iashina +4

Ordered ferromagnetic nanowire arrays are widely studied due to the diversity of possible applications. However, there is still no complete understanding of the relation between th…

cond-mat.str-el2026

Anisotropy of spin waves in the field-polarized phase of Fe-doped MnSi

I. N. Khoroshiy, A. Podlesnyak, D. Menzel +4

Chiral magnetic textures, such as skyrmions, are of great interest to the condensed matter community due to their novel transport properties. The stabilization of topologically non…

cond-mat.str-el2019

Flat-band spin dynamics and phonon anomalies of the saw-tooth spin-chain system Fe $_{2}$ O(SeO $_{3}$ ) $_{2}$

V. P. Gnezdilov, Yu. G. Pashkevich, V. S. Kurnosov +11

Fe $^{3 +}$ $S = 5/2$ ions form saw-tooth like chains along the $a$ axis of the oxo-selenite Fe $_{2}$ O(SeO $_{3}$ ) $_{2}$ and an onset of long-range magnetic order is observed for temperatur…

cond-mat.str-el2016

Electronic ground state of MnB $_{4}$

N. Steinki, J. L. Winter, D. Schulze Grachtrup +4

Recent studies have dealt with the electronic and magnetic ground state properties of the tetraboride material MnB $_{4}$ . So far, however, the ground state properties could not be es…

cond-mat.mtrl-sci2009

Electron-phonon interaction and spectral weight transfer in Fe $_{1 - x}$ Co $_{x}$ Si

D. Menzel, P. Popovich, N. N. Kovaleva +3

A comprehensive ellipsometric study was performed on Fe $_{1 - x}$ Co $_{x}$ Si single crystals in the spectral range from 0.01 eV to 6.2 eV. Direct and indirect band gaps of 73 meV and…

cond-mat.other2005

Unusual criticality of Cu2Te2O5Br2 under pressure

J. Kreitlow, S. Suellow, D. Menzel +3

We present measurements of the magnetic susceptibility chi(T) on Cu2Te2O5Br2 under externally applied pressure. From our data we extract the pressure response of the antiferromagne…

cond-mat.mes-hall2025

Low-Temperature Skyrmions and Spiral Reorientation Processes in Chiral Magnets with Cubic Anisotropy: Guidelines for Bridging Theory and Experiment

A. O. Leonov, G. GÃ¶decke, J. Grefe +2

We revisit the phenomenological Dzyaloshinskii framework, a central theoretical approach for describing magnetization processes in bulk chiral magnets, and demonstrate how magnetoc…

cond-mat.mtrl-sci2016

Hidden quantum phase transition in Mn $_{1 - x}$ Fe $_{x}$ Ge: evidence brought by small-angle neutron scattering

E. Altynbaev, S. -A. Siegfried, E. Moskvin +7

The magnetic system of the Mn $_{1 - x}$ Fe $_{x}$ Ge solid solution is ordered in a spiral spin structure in the whole concentration range of $x \in [0 A ~ \cdot 1]$ . The close inspection of th…

cond-mat.mtrl-sci2002

Adsorbate-induced Surface Stiffening: Surface Lattice Dynamics of Ru(001)-(1x1)-O

T. Moritz, W. Widdra, D. Menzel +2

The dynamical properties of the high-density Ru(001)-(1 $\times$ 1)-O phase has been investigated by a combined high-resolution electron energy loss spectroscopy and density function…

Publications (21)

Magnetization process of atacamite: a case of weakly coupled S=1/2 sawtooth chains

MnSi-nanostructures obtained from thin films: magnetotransport and Hall effect

Structural disorder versus chiral magnetism in Cr1/3​NbS2​

Competing Ordering Modes in the Distorted Quantum Kagome Material Clinoatacamite Cu2​Cl(OH)3​

Near coincidence of metal-insulator transition and quantum critical fluctuations: Electronic ground state and magnetic order in Fe1−x​Cox​Si

Magnetic and electronic phases of U2​Rh3​Si5​

O- and H- induced surface core level shifts on Ru(0001): Prevalence of the additivity rule

The Dzyaloshinskii-Moriya interaction is under control: an orchestrated flip of the chiral link between structure and magnetism for Fe1−x​Cox​Si

Magnetoresistance in the helical itinerant magnets MnSi and Mn1−x​Cox​Si

Cubic magnetic anisotropy in B20 magnets: Interplay of anisotropy and magnetic order in Fe1−x​Cox​Si

Fragile balance of the exchange interactions in Mn1−x​Cox​Ge compounds

Surface Core Level Shifts of Clean and Oxygen Covered Ru(0001)

Effect of interactions and non-uniform magnetic states on the magnetization reversal of iron nanowire arrays

Anisotropy of spin waves in the field-polarized phase of Fe-doped MnSi

Flat-band spin dynamics and phonon anomalies of the saw-tooth spin-chain system Fe2​O(SeO3​)2​

Electronic ground state of MnB4​

Electron-phonon interaction and spectral weight transfer in Fe1−x​Cox​Si

Unusual criticality of Cu2Te2O5Br2 under pressure

Low-Temperature Skyrmions and Spiral Reorientation Processes in Chiral Magnets with Cubic Anisotropy: Guidelines for Bridging Theory and Experiment

Hidden quantum phase transition in Mn1−x​Fex​Ge: evidence brought by small-angle neutron scattering

Adsorbate-induced Surface Stiffening: Surface Lattice Dynamics of Ru(001)-(1x1)-O

Magnetization process of atacamite: a case of weakly coupled $S = 1/2$ sawtooth chains

Structural disorder versus chiral magnetism in Cr $_{1/3}$ NbS $_{2}$

Competing Ordering Modes in the Distorted Quantum Kagome Material Clinoatacamite Cu $_{2}$ Cl(OH) $_{3}$

Near coincidence of metal-insulator transition and quantum critical fluctuations: Electronic ground state and magnetic order in Fe $_{1 - x}$ Co $_{x}$ Si

Magnetic and electronic phases of U $_{2}$ Rh $_{3}$ Si $_{5}$

The Dzyaloshinskii-Moriya interaction is under control: an orchestrated flip of the chiral link between structure and magnetism for Fe $_{1 - x}$ Co $_{x}$ Si

Magnetoresistance in the helical itinerant magnets MnSi and Mn $_{1 - x}$ Co $_{x}$ Si

Cubic magnetic anisotropy in $B$ 20 magnets: Interplay of anisotropy and magnetic order in Fe $_{1 - x}$ Co $_{x}$ Si

Fragile balance of the exchange interactions in Mn $_{1 - x}$ Co $_{x}$ Ge compounds

Flat-band spin dynamics and phonon anomalies of the saw-tooth spin-chain system Fe $_{2}$ O(SeO $_{3}$ ) $_{2}$

Electronic ground state of MnB $_{4}$

Electron-phonon interaction and spectral weight transfer in Fe $_{1 - x}$ Co $_{x}$ Si

Hidden quantum phase transition in Mn $_{1 - x}$ Fe $_{x}$ Ge: evidence brought by small-angle neutron scattering