721 citations · 1.4k across the 19 of their papers we have counts for
19 papers
Optimization strategies and artefacts of time-involved small angle neutron scattering experiments
Denis Mettus, Alfonso Chacon, Andreas Bauer +2
Kinetic small-angle neutron scattering provides access to the microscopic properties of mesoscale systems under slow, periodic perturbations. By interlocking the phases of neutron…
Spin wave stiffness and damping in a frustrated chiral helimagnet CoZnMn as measured by small-angle neutron scattering
V. Ukleev, K. A. Pschenichnyi, O. Utesov +7
Multiple intriguing low temperature phenomena have recently been discovered in the family of chiral cubic Co-Zn-Mn compounds with Mn-type structure. In particular, CoZn…
Current-induced self-organisation of mixed superconducting states
X. S. Brems, S. Mühlbauer, W. Y. Córdoba-Camacho +3
Small-angle neutron scattering is used in combination with transport measurements to investigate the current-induced effects on the morphology of the intermediate mixed state domai…
Can Minkowski tensors of a porous microstructure characterize its permeability?
Prapanch Nair, Sebastian Mühlbauer, Shantanu Roy +1
We show that the permeability of porous media can be reliably predicted from the Minkowski tensors (MTs) describing the pore microstructure geometry. To this end, we consider a lar…
Size-dependent spatial magnetization profile of manganese-zinc ferrite Mn0.2Zn0.2Fe2.6O4 nanoparticles
Mathias Bersweiler, Philipp Bender, Laura G. Vivas +7
We report the results of an unpolarized small-angle neutron scattering (SANS) study on Mn-Zn ferrite (MZFO) magnetic nanoparticles with the aim to elucidate the interplay between t…
The multi-purpose three-axis spectrometer (TAS) MIRA at FRM II
R. Georgii, T. Weber, M. Skoulatos +4
The cold-neutron three-axis spectrometer MIRA is an instrument optimized for low-energy excitations. Its excellent intrinsic -resolution makes it ideal for studying incommensura…
The new neutron grating interferometer at the ANTARES beamline - Design, Principle, and Applications -
Tommy Reimann, Sebastian Mühlbauer, Michael Horisberger +2
Neutron grating interferometry is an advanced method in neutron imaging that allows the simultaneous recording of the transmission, the differential phase and the dark-field image.…
ESR study of the spin ladder with uniform Dzyaloshinskii-Moria interaction
V. N. Glazkov, M. Fayzullin, Y. Krasnikova +4
Evolution of the ESR absorption in a strong-leg spin ladder magnet (CHN)CuBr (abbreviated as DIMPY) is studied from 300K to 400mK. Temperature dependence of…
Dendritic flux avalanches in Niobium single crystal near critical temperature
M. Grünzweig, P. Mikheenko, C. Grünzweig +4
We report on the observation of dendritic flux avalanches in a large Niobium single crystal. In contrast to avalanches observed in thin films, they appear only in a very narrow tem…
Symmetric and asymmetric excitations of a strong-leg quantum spin ladder
D. Schmidiger, P. Bouillot, G. Ehlers +5
The zero-field excitation spectrum of the strong-leg spin ladder (CHN)CuBr (DIMPY) is studied with a neutron time-of-flight technique. The spectrum is decomposed i…
Rotating skyrmion lattices by spin torques and field or temperature gradients
Karin Everschor, Markus Garst, Benedikt Binz +4
Chiral magnets like MnSi form lattices of skyrmions, i.e. magnetic whirls, which react sensitively to small electric currents j above a critical current density jc. The interplay o…
Phase Diagram of the Dzyaloshinskii-Moriya Helimagnet Ba2CuGe2O7 in Canted Magnetic Fields
S. Muhlbauer, S. Gvasaliya, E. Pomjakushina +1
The evolution of different magnetic structures of non-centrosymmetric Ba2CuGe2O7 is systematically studied as function of the orientation of the magnetic field H. Neutron diffracti…
Spectral and thermodynamic properties of a strong-leg quantum spin ladder
D. Schmidiger, P. Bouillot, S. Muhlbauer +4
The strong-leg S=1/2 Heisenberg spin ladder system (C7H10N)2CuBr4 is investigated using Density Matrix Renormalization Group (DMRG) calculations, inelastic neutron scattering, and…
Disorder instability of the magnon condensate in a frustrated spin ladder
E. Wulf, S. Mühlbauer, T. Yankova +1
The effect of disorder is studied on the field-induced quantum phase transition in the frustrated spin-ladder compound H8C4SO2Cu2(Cl[1-x]Brx)4 using bulk magnetic and thermodynamic…
Crystals for neutron scattering studies of quantum magnetism
T. Yankova, D. Huvonen, S. Muhlbauer +8
We review a strategy for targeted synthesis of large single crystal samples of prototype quantum magnets for inelastic neutron scattering experiments. Four case studies of organic…
Double-k phase of the Dzyaloshinskii-Moriya helimagnet Ba2CuGe2O7
S. Mühlbauer, S. N. Gvasaliya, E. Pomjakushina +1
Neutron diffraction is used to re-investigate the magnetic phase diagram of the noncentrosymmetric tetragonal antiferromagnet Ba2CuGe2O7. A novel incommensurate double-k magnetic p…
Long-lived magnons throughout the Brillouin zone of the strong-leg spin ladder (CHN)CuBr
D. Schmidiger, S. Muehlbauer, S. N. Gvasaliya +2
Inelastic neutron scattering is used to measure spin excitations in fully deuterated single crystal samples of the strong-leg antiferromagnetic S=1/2 spin ladder compound (CH$_…
Time Resolved Stroboscopic Neutron Scattering of Vortex Lattice Dynamics in Superconducting Niobium
S. Mühlbauer, C. Pfleiderer, P. Böni +5
Superconducting vortex lattices, glasses and liquids attract great interest as model systems of crystallization and as a source of microscopic information of the nature of supercon…
Skyrmion Lattice in a Doped Semiconductor
W. Münzer, A. Neubauer, S. Mühlbauer +9
We report a comprehensive small angle neutron scattering study (SANS) of the magnetic phase diagram of the doped semiconductor Fe_{1-x}Co_{x}Si for x=0.2 and 0.25. For magnetic fie…