C. Pfleiderer
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View article: Real-space observation of the low-temperature Skyrmion lattice in Cu2OSeO3(100) single crystal
Real-space observation of the low-temperature Skyrmion lattice in Cu2OSeO3(100) single crystal Open
Cu2OSeO3 is a skyrmion host material in which two distinct thermodynamically stable skyrmion phases were identified. We report magnetic force microscopy imaging of the low-temperature magnetic phases in bulk Cu2OSeO3(100) single crystal. T…
View article: Fermi surface and magnetic breakdown in PdGa
Fermi surface and magnetic breakdown in PdGa Open
We study the electronic structure of the chiral semimetal PdGa by means of the de Haas–van Alphen and Shubnikov–de Haas effect. We find that the Fermi surface of PdGa comprises multiple pockets split by spin-orbit coupling. We compare our …
View article: Comparison of time-of-flight and MIEZE neutron spectroscopy of H<sub>2</sub>O
Comparison of time-of-flight and MIEZE neutron spectroscopy of H<sub>2</sub>O Open
We report a comparison of modulation of intensity with zero effort (MIEZE), a neutron spin–echo technique, and neutron time-of-flight (ToF) spectroscopy, a conventional neutron scattering method. The evaluation of the respective recorded s…
View article: Fermi surface and magnetic breakdown in PdGa
Fermi surface and magnetic breakdown in PdGa Open
We study the electronic structure of the chiral semimetal PdGa by means of the de Haas-van Alphen and Shubnikov-de Haas effect. We find that the Fermi surface of PdGa comprises multiple pockets split by spin-orbit coupling. We compare our …
View article: Electrical resistivity of ErB<sub>2</sub> under pressure
Electrical resistivity of ErB<sub>2</sub> under pressure Open
Diborides crystallizing in the hexagonal C32 structure exhibit a wide range of magnetic and electronic properties depending on the choice of the element A and the precise values of the lattice constants a and c . ErB 2 represents a …
View article: A Field Guide to Non‐Onsager Quantum Oscillations in Metals
A Field Guide to Non‐Onsager Quantum Oscillations in Metals Open
Quantum oscillation (QO) measurements constitute a powerful method to measure the Fermi surface (FS) properties of metals. The observation of QOs is usually taken as strong evidence for the existence of extremal cross‐sectional areas of th…
View article: Spin-energy entanglement of a time-focused neutron
Spin-energy entanglement of a time-focused neutron Open
Intraparticle entanglement of individual particles such as neutrons could enable another class of scattering probes that are sensitive to entanglement in quantum systems and materials. Here, in this work, we present experimental results de…
View article: A Field Guide to non-Onsager Quantum Oscillations in Metals
A Field Guide to non-Onsager Quantum Oscillations in Metals Open
Quantum oscillation (QO) measurements constitute a powerful method to measure the Fermi surface (FS) properties of metals. The observation of QOs is usually taken as strong evidence for the existence of extremal cross-sectional areas of th…
View article: Fermi surface of the chiral topological semimetal CoSi
Fermi surface of the chiral topological semimetal CoSi Open
We report a study of the Fermi surface of the chiral semimetal CoSi and its relationship to a network of multifold topological crossing points,Weyl points, and topological nodal planes in the electronic band structure. Combining quantum os…
View article: Long-range magnetic order in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>CePdAl</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> enabled by orthorhombic deformation
Long-range magnetic order in enabled by orthorhombic deformation Open
We investigate the effect of structural deformation on the magnetic properties of orthorhombic CePdAl3 in relation to its tetragonal polymorph. Utilizing x-ray and neutron diffraction, we establish that the crystal structure has the Cmcm s…
View article: Influence of the magneto-volume effect on the transient reflectivity of MnSi
Influence of the magneto-volume effect on the transient reflectivity of MnSi Open
The magneto-volume effect is a well-established yet frequently overlooked phenomenon in magnetic materials that may affect a wide range of physical properties. Our study explores the influence of the magneto-volume effect on the transient …
View article: Topological aspects of multi-k antiferromagnetism in cubic rare-earth compounds
Topological aspects of multi-k antiferromagnetism in cubic rare-earth compounds Open
We advertise rare-earth intermetallics with high-symmetry crystal structures and competing interactions as a possible materials platform hosting spin structures with non-trivial topological properties. Focusing on the series of cubic R Cu …
View article: Comparison of time-of-flight with MIEZE spectroscopy of H$_2$O: Necessity to go beyond the spin-echo approximation
Comparison of time-of-flight with MIEZE spectroscopy of H$_2$O: Necessity to go beyond the spin-echo approximation Open
Here, we discuss the comparability of data acquisitioned with the Modulation of IntEnsity with Zero Effort data, a neutron spin-echo (NSE) technique to neutron Time-of-Flight (ToF) spectroscopy data. As a NSE technique MIEZE records the in…
View article: Dataset package for the manuscript "Topological aspects of multi-$\bm{k}$ antiferromagnetism in cubic rare-earth compounds"
Dataset package for the manuscript "Topological aspects of multi-$\bm{k}$ antiferromagnetism in cubic rare-earth compounds" Open
Dataset 1: Title: Magnetic phase diagrams of HoCu, ErCu, and TmCu for magnetic field along the [111] axis. Description: Maxima and points of inflection observed in AC magnetic susceptibility data are stored in "HoCu111_1.dat", "HoCu111_2.d…
View article: Dataset package for the manuscript "Topological aspects of multi-$\bm{k}$ antiferromagnetism in cubic rare-earth compounds"
Dataset package for the manuscript "Topological aspects of multi-$\bm{k}$ antiferromagnetism in cubic rare-earth compounds" Open
Dataset 1: Title: Magnetic phase diagrams of HoCu, ErCu, and TmCu for magnetic field along the [111] axis. Description: Maxima and points of inflection observed in AC magnetic susceptibility data are stored in "HoCu111_1.dat", "HoCu111_2.d…
View article: Quantum Oscillations of the Quasiparticle Lifetime in a Metal
Quantum Oscillations of the Quasiparticle Lifetime in a Metal Open
Following nearly a century of research, it remains a puzzle that the low-lying excitations of metals are remarkably well explained by effective single-particle theories of non-interacting bands. The abundance of interactions in real materi…
View article: Composition dependence of the specific heat of FeSi
Composition dependence of the specific heat of FeSi Open
Recently, a high-mobility surface conduction channel and in-gap states were identified in the correlated small-gap semiconductor FeSi using electrical transport measurements and high-resolution tunneling spectroscopy. The mobility of the c…
View article: Optical creation and annihilation of skyrmion patches in a bulk chiral magnet
Optical creation and annihilation of skyrmion patches in a bulk chiral magnet Open
A key challenge for the realization of future skyrmion devices comprises the controlled creation, annihilation and detection of these topologically non-trivial magnetic spin textures. In this study, we report an all-optical approach for wr…
View article: Data for "Quantum Oscillations of the Quasiparticle Lifetime in a Metal"
Data for "Quantum Oscillations of the Quasiparticle Lifetime in a Metal" Open
Datasets shown in the article "Quantum Oscillations of the Quasiparticle Lifetime in a Metal" published in Nature.
View article: Resonant elastic X-ray scattering of antiferromagnetic superstructures in EuPtSi$_{3}$
Resonant elastic X-ray scattering of antiferromagnetic superstructures in EuPtSi$_{3}$ Open
We report resonant elastic X-ray scattering (REXS) of long-range magnetic order in EuPtSi$_{\text{3}}$, combining different scattering geometries with full linear polarization analysis to unambiguously identify magnetic scattering contribu…
View article: Evolution of the spin dynamics during freezing in the spin-glass Fe$_{x}$Cr$_{1-x}$
Evolution of the spin dynamics during freezing in the spin-glass Fe$_{x}$Cr$_{1-x}$ Open
In the iron--chromium system, Fe$_{x}$Cr$_{1-x}$, a wide dome of spin-glass behavior emerges when the ferromagnetism of iron is suppressed and the antiferromagnetism of chromium emerges as a function of increasing iron content $x$. As both…
View article: Small-angle neutron scattering of long-wavelength magnetic modulations in reduced sample dimensions
Small-angle neutron scattering of long-wavelength magnetic modulations in reduced sample dimensions Open
Magnetic small-angle neutron scattering (SANS) is ideally suited to providing direct reciprocal-space information on long-wavelength magnetic modulations, such as helicoids, solitons, merons or skyrmions. SANS of such structures in thin fi…
View article: Small-angle neutron scattering of long-wavelength magnetic modulations in reduced sample dimensions
Small-angle neutron scattering of long-wavelength magnetic modulations in reduced sample dimensions Open
Magnetic small-angle neutron scattering (SANS) is ideally suited to provide direct, reciprocal-space information of long-wavelength magnetic modulations, such as helicoids, solitons, merons, or skyrmions. SANS of such structures in thin fi…
View article: Optimization strategies and artifacts of time-involved small-angle neutron scattering experiments
Optimization strategies and artifacts of time-involved small-angle neutron scattering experiments Open
Kinetic small-angle neutron scattering provides access to the microscopic properties of mesoscale systems under slow, periodic perturbations. By interlocking the phases of neutron pulse, sample modulation and detector signal, time-involved…
View article: Report on scipost_202208_00028v1
Report on scipost_202208_00028v1 Open
We studied the magnetic properties and electronic structure of CeAuAl 3 using density functional theory.This compound shows a large Sommerfeld coefficient, γ > 200 mJ molK 2 , a Kondo temperature, T k = 4 K [1] and antiferromagnetic order …
View article: Extending MIEZE spectroscopy towards thermal wavelengths
Extending MIEZE spectroscopy towards thermal wavelengths Open
A modulation of intensity with zero effort (MIEZE) setup is proposed for high-resolution neutron spectroscopy at momentum transfers up to 3 Å −1 , energy transfers up to 20 meV and an energy resolution in the microelectronvolt range using …
View article: Report on scipost_202208_00027v1
Report on scipost_202208_00027v1 Open
Recently, a high-mobility surface conduction channel and in-gap states were identified in the correlated small-gap semiconductor FeSi using electrical transport measurements and high-resolution tunneling spectroscopy.Intriguingly, the mobi…
View article: Transmission Bender as an Analyzer Device for MIEZE
Transmission Bender as an Analyzer Device for MIEZE Open
MIEZE (Modulation of IntEnsity with Zero Effort) spectroscopy is a high-resolution spin echo technique optimized for the study of magnetic samples and samples under depolarizing conditions. It requires a polarization analyzer in between sp…
View article: Extending MIEZE spectroscopy towards thermal wavelengths
Extending MIEZE spectroscopy towards thermal wavelengths Open
We propose a Modulation of intensity with zero effort (MIEZE) set-up for high-resolution neutron spectroscopy at momentum transfers up to 3Å$^{-1}$,energy transfers up to ~ 20 meV, and an energy resolution in the $μ$eV-range using both the…